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arxiv: 2604.27237 · v1 · submitted 2026-04-29 · ⚛️ physics.plasm-ph

Recognition: unknown

X-Ray Diagnostics Analysis Verification and Exploration (xDAVE) Code for the Prediction and Interpretation of X-Ray Thomson Scattering Experiments

Dave A. Chapman, Dirk O. Gericke, Hannah M. Bellenbaum, Jan Vorberger, Maximilian P. B\"ohme, Michael Bussmann, Sebastian Schwalbe, Thomas Gawne, Tobias Dornheim, Uwe Hernandez Acosta, Willow M. Martin

Pith reviewed 2026-05-07 10:17 UTC · model grok-4.3

classification ⚛️ physics.plasm-ph
keywords X-ray Thomson scatteringdynamic structure factorChihara decompositionwarm dense matterplasma diagnosticsberylliumOMEGA laser facility
0
0 comments X

The pith

The xDAVE code provides fast Chihara-based modeling of dynamic structure factors to interpret X-ray Thomson scattering spectra from warm dense matter.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

This paper presents the xDAVE code to calculate dynamic structure factors rapidly using the Chihara decomposition and then fit them to measured X-ray Thomson scattering spectra. The authors validate the code by re-analyzing data from an isochorically heated beryllium experiment performed at the OMEGA Laser Facility. They further show that the code can be coupled to ray-tracing simulations to plan experiments and that including the energy dependence of spectrometer responses improves accuracy for strongly compressed samples.

Core claim

The xDAVE code is designed to estimate dynamic structure factors quickly via the Chihara decomposition and to analyze experimental X-ray Thomson scattering spectra by convolving those factors with the source-instrument function. Validation is performed by re-processing an OMEGA experiment on isochorically heated beryllium. The code is also demonstrated in combination with ray-tracing for experiment planning, and the authors show that energy-dependent instrument functions must be accounted for when modeling spectra from highly compressed beryllium at the National Ignition Facility.

What carries the argument

The Chihara decomposition, which splits the dynamic structure factor into separate contributions from bound and free electrons to enable rapid calculations suitable for large-scale parameter fitting.

If this is right

  • Experimental teams can obtain plasma density, temperature, and charge-state estimates more rapidly from XRTS data.
  • Coupling xDAVE to ray-tracing codes allows quantitative prediction of scattering signals before shots are taken.
  • Accounting for energy-dependent spectrometer responses reduces systematic error in the analysis of high-compression data.
  • The same workflow can be applied to other light elements and facilities once the underlying decomposition is accepted.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • If Chihara proves insufficient for heavier elements, xDAVE could serve as a fast front-end to more advanced structure-factor calculations.
  • Real-time integration of xDAVE into facility control rooms could enable on-the-fly experiment adjustments during a campaign.
  • The code's emphasis on instrument-function energy dependence suggests similar corrections may be needed for other spectroscopy diagnostics in dense plasmas.

Load-bearing premise

The Chihara decomposition supplies a sufficiently accurate model of the dynamic structure factor under the warm dense matter conditions and for the materials tested in the validation experiments.

What would settle it

A new X-ray Thomson scattering measurement on beryllium or a similar material in which the plasma parameters recovered by xDAVE differ substantially from independent density or temperature diagnostics would show the model or code to be inadequate.

Figures

Figures reproduced from arXiv: 2604.27237 by Dave A. Chapman, Dirk O. Gericke, Hannah M. Bellenbaum, Jan Vorberger, Maximilian P. B\"ohme, Michael Bussmann, Sebastian Schwalbe, Thomas Gawne, Tobias Dornheim, Uwe Hernandez Acosta, Willow M. Martin.

Figure 1
Figure 1. Figure 1: FIG. 1. Optimized fit for a Beryllium XRTS measurements view at source ↗
Figure 3
Figure 3. Figure 3: FIG. 3. Model-free temperature analysis for the CH spectra view at source ↗
Figure 4
Figure 4. Figure 4: FIG. 4 view at source ↗
Figure 6
Figure 6. Figure 6: FIG. 6. XRTS spectrum for a NIF Be implosion experiment. view at source ↗
read the original abstract

X-ray Thomson scattering (XRTS) is a common diagnostic used in the warm dense matter (WDM) regime to estimate plasma parameters like density, temperature and charge state. Experimental analysis typically relies on a forward model to obtain estimates for these parameters, as the measured spectrum is a convolution of the dynamic structure factor (DSF) and the source-instrument function. The Chihara decomposition, where the spectrum is separated into contributions from bound and free electrons, is commonly used to estimate DSFs in the WDM regime, as it allows for the fast calculation of DSFs and therefore can easily be applied in a large-scale parameter optimization. Due to the limited availability of XRTS codes, in this work we present the ``\textbf{X}-ray \textbf{D}iagnostics, \textbf{A}nalysis, \textbf{V}erification and \textbf{E}xploration`` (\texttt{xDAVE}) code, designed to quickly estimate DSFs using the Chihara decomposition and analyse experimental spectra. The code is validated by re-analysing an experiment with isochorically heated beryllium at the OMEGA Laser Facility. In addition, we demonstrate the applicability of the code to plan experiments and predict scattering spectra through the coupling to a ray-tracing code. Lastly, the importance of accounting for the energy-dependence of spectrometer instrument functions is demonstrated by comparing ray-tracing simulations to the standard convolution for strongly compressed Beryllium shots at the National Ignition Facility similar to previously published results.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 2 minor

Summary. The manuscript introduces the xDAVE code, which implements the Chihara decomposition for rapid calculation of dynamic structure factors (DSFs) to forward-model and interpret X-ray Thomson scattering (XRTS) spectra in warm dense matter. The code is validated by re-analyzing an isochorically heated beryllium experiment at the OMEGA Laser Facility, coupled to a ray-tracing code for predicting spectra in experiment planning, and used to demonstrate the importance of energy-dependent spectrometer instrument functions for NIF-like compressed beryllium shots.

Significance. If the implementation is correct and the Chihara model sufficiently accurate for the targeted conditions, xDAVE would provide a practical, accessible tool for the WDM community to perform parameter optimization and experimental design in XRTS diagnostics. The ray-tracing coupling and explicit treatment of instrument function energy dependence are useful practical contributions that address common analysis pitfalls. The significance is reduced, however, by the validation approach, which relies on re-analysis without independent quantitative checks against data or alternative models.

major comments (2)
  1. [§4] §4 (Validation against OMEGA Be experiment): the re-analysis is presented without quantitative metrics of agreement, such as residual norms, chi-squared values, or shifts in inferred density/temperature/ionization with uncertainties relative to prior analyses. This is load-bearing for the central validation claim, as agreement could reflect shared model assumptions rather than independent fidelity of the xDAVE implementation.
  2. [§2] §2 (Chihara decomposition implementation): the paper does not quantify or bound the expected error from known Chihara limitations (e.g., neglect of local-field corrections or non-equilibrium effects) for the reported Be densities and temperatures, which directly affects the reliability of both the OMEGA validation and the NIF-like predictions.
minor comments (2)
  1. [Introduction] The manuscript would benefit from an explicit statement of code availability (repository link, license) and a brief comparison table to other existing XRTS forward-modeling tools.
  2. [Results] Figure captions for the ray-tracing comparisons should include the specific instrument function models and energy ranges used.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for their careful and constructive review of our manuscript. The comments have prompted us to strengthen the validation section with quantitative metrics and to expand the discussion of model limitations. We address each major comment below.

read point-by-point responses

  1. Referee: [§4] §4 (Validation against OMEGA Be experiment): the re-analysis is presented without quantitative metrics of agreement, such as residual norms, chi-squared values, or shifts in inferred density/temperature/ionization with uncertainties relative to prior analyses. This is load-bearing for the central validation claim, as agreement could reflect shared model assumptions rather than independent fidelity of the xDAVE implementation.

    Authors: We agree that quantitative metrics are necessary to demonstrate that the agreement is not solely due to shared model assumptions. In the revised manuscript we have added chi-squared values for the fits to the OMEGA beryllium spectra, together with a table comparing the inferred density, temperature and ionization state (with uncertainties) to the values reported in the original experimental analysis. These additions show that the xDAVE results lie within the previously published uncertainties while also quantifying small differences attributable to implementation details. revision: yes

  2. Referee: [§2] §2 (Chihara decomposition implementation): the paper does not quantify or bound the expected error from known Chihara limitations (e.g., neglect of local-field corrections or non-equilibrium effects) for the reported Be densities and temperatures, which directly affects the reliability of both the OMEGA validation and the NIF-like predictions.

    Authors: The referee is correct that explicit error bounds would improve the assessment of reliability. We have added a new paragraph in §2 that cites literature comparisons of the Chihara model against more advanced calculations (including local-field corrections) for beryllium at the relevant densities (∼1–5 g cm⁻³) and temperatures (∼10–50 eV). The added text states that the neglected corrections typically alter the DSF by ≲10 % in this regime and discusses the local thermodynamic equilibrium assumption, thereby bounding the impact on both the validation and the NIF-like predictions. revision: yes

Circularity Check

0 steps flagged

No significant circularity: xDAVE implements established Chihara DSF model with external validation

full rationale

The paper describes a forward-modeling code that applies the pre-existing Chihara decomposition (bound + free electron contributions) to compute dynamic structure factors for XRTS analysis. Validation consists of re-processing a published OMEGA beryllium experiment and comparing to prior results, without introducing new fitted parameters that are then renamed as predictions. No self-definitional equations, load-bearing self-citations, or ansatzes smuggled via prior author work appear in the abstract or described workflow. The derivation chain is therefore self-contained against the standard physical model rather than reducing to its own inputs by construction.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The central claim rests on the Chihara decomposition as a standard modeling choice for DSF in WDM; no new free parameters, axioms beyond domain standards, or invented entities are introduced in the abstract.

axioms (1)
  • domain assumption The Chihara decomposition accurately separates bound and free electron contributions to the dynamic structure factor in the WDM regime.
    Invoked as the basis for fast DSF calculation and spectrum analysis in the code description.

pith-pipeline@v0.9.0 · 5626 in / 1297 out tokens · 89743 ms · 2026-05-07T10:17:38.636907+00:00 · methodology

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Reference graph

Works this paper leans on

91 extracted references · 15 canonical work pages · 1 internal anchor

  1. [1]

    Vorberger, F

    J. Vorberger, F. Graziani, D. Riley, A. D. Baczewski, I. Baraffe, M. Bethkenhagen, S. Blouin, M. P. B¨ ohme, M. Bonitz, M. Bussmann, A. Casner, W. Cayzac, P. Cel- liers, G. Chabrier, N. Chamel, D. Chapman, M. Chen, J. Cl´ erouin, G. Collins, F. Coppari, T. D¨ oppner, T. Dorn- heim, L. B. Fletcher, D. O. Gericke, S. Glenzer, A. F. Goncharov, G. Gregori, S....

    2025

  2. [2]

    Militzer, W

    B. Militzer, W. B. Hubbard, J. Vorberger, I. Tamblyn, and S. A. Bonev, A massive core in jupiter predicted from first-principles simulations, The Astrophysical Jour- nal688, L45 (2008)

    2008

  3. [3]

    Militzer, F

    B. Militzer, F. Soubiran, S. M. Wahl, and W. Hubbard, Understanding jupiter’s interior, Journal of Geophysical Research: Planets121, 1552 (2016)

    2016

  4. [4]

    Kraus, A

    D. Kraus, A. Ravasio, M. Gauthier, D. O. Gericke, J. Vor- berger, S. Frydrych, J. Helfrich, L. B. Fletcher, G. Schau- mann, B. Nagler, B. Barbrel, B. Bachmann, E. J. Gam- boa, S. G¨ ode, E. Granados, G. Gregori, H. J. Lee, P. Neu- mayer, W. Schumaker, T. D¨ oppner, R. W. Falcone, S. H. Glenzer, and M. Roth, Nanosecond formation of diamond and lonsdaleite ...

    2016

  5. [5]

    Kraus, J

    D. Kraus, J. Vorberger, A. Pak, N. J. Hartley, L. B. Fletcher, S. Frydrych, E. Galtier, E. J. Gamboa, D. O. Gericke, S. H. Glenzer, E. Granados, M. J. MacDonald, A. J. MacKinnon, E. E. McBride, I. Nam, P. Neumayer, M. Roth, A. M. Saunders, A. K. Schuster, P. Sun, T. van Driel, T. D¨ oppner, and R. W. Falcone, Formation of di- amonds in laser-compressed hy...

    2017

  6. [6]

    L. J. Conway, C. J. Pickard, and A. Hermann, Rules of formation of h–c–n–o compounds at high pressure and the fates of planetary ices, Proceedings of the National Academy of Sciences118, 10.1073/pnas.2026360118 (2021)

    work page doi:10.1073/pnas.2026360118 2021

  7. [7]

    S. X. Hu, B. Militzer, V. N. Goncharov, and S. Skupsky, First-principles equation-of-state table of deuterium for inertial confinement fusion applications, Phys. Rev. B84, 224109 (2011)

    2011

  8. [8]

    A. L. Kritcher, T. D¨ oppner, C. Fortmann, T. Ma, O. L. Landen, R. Wallace, and S. H. Glenzer, In-flight measure- ments of capsule shell adiabats in laser-driven implosions, Physical Review Letters107, 015002 (2011)

    2011

  9. [9]

    Fletcher, A

    L. Fletcher, A. L. Kritcher, A. Pak, T. Ma, T. D¨ oppner, C. Fortmann, L. Divol, O. S. Jones, O. L. Landen, H. A. Scott, J. Vorberger, D. A. Chapman, D. O. Gericke, B. A. Mattern, G. T. Seidler, G. Gregori, R. W. Falcone, and S. H. Glenzer, Observations of continuum depression in warm dense matter with x-ray thomson scattering, Phys- ical Review Letters11...

    2014

  10. [10]

    A. L. Kritcher, C. V. Young, H. F. Robey, C. R. We- ber, A. B. Zylstra, O. A. Hurricane, D. A. Callahan, J. E. Ralph, J. S. Ross, K. L. Baker, D. T. Casey, D. S. Clark, T. D¨ oppner, L. Divol, M. Hohenberger, L. B. Hop- kins, S. L. Pape, N. B. Meezan, A. Pak, P. K. Patel, R. Tommasini, S. J. Ali, P. A. Amendt, L. J. Atherton, B. Bachmann, D. Bailey, L. R....

    2022

  11. [11]

    M. M. Marinak, G. B. Zimmerman, T. Chapman, G. D. Kerbel, M. V. Patel, J. M. Koning, S. M. Sepke, B. Chang, C. R. Schroeder, J. A. Harte, D. S. Bailey, L. A. Taylor, S. H. Langer, M. A. Belyaev, D. S. Clark, J. Gaffney, B. A. Hammel, D. E. Hinkel, A. L. Kritcher, J. L. Milovich, H. F. Robey, and C. R. Weber, How nu- merical simulations helped to achieve b...

    2024

  12. [12]

    S. H. Glenzer and R. Redmer, X-ray thomson scattering in high energy density plasmas, Rev. Mod. Phys81, 1625 (2009). 11

    2009

  13. [13]

    Voigt, M

    K. Voigt, M. Zhang, K. Ramakrishna, A. Amouretti, K. Appel, E. Brambrink, V. Cerantola, D. Chekrygina, T. D¨ oppner, R. W. Falcone, K. Falk, L. B. Fletcher, D. O. Gericke, S. G¨ ode, M. Harmand, N. J. Hartley, S. P. Hau-Riege, L. G. Huang, O. S. Humphries, M. Loka- mani, M. Makita, A. Pelka, C. Prescher, A. K. Schuster, M. ˇSm´ ıd, T. Toncian, J. Vorberge...

    2021

  14. [14]

    D. S. Bespalov, U. Zastrau, Z. A. Moldabekov, T. Gawne, T. Dornheim, M. Meshhal, A. Amouretti, M. Andrze- jewski, K. Appel, C. Baehtz, E. Brambrink, K. Buakor, C. Camarda, D. Chin, G. Collins, C. Cr´ epeisson, A. Descamps, J. Eggert, L. Fletcher, A. Forte, G. Gre- gori, M. Harmand, O. S. Humphries, H. H¨ oppner, J. Kuh- lke, W. Lynn, J. L¨ utgert, M. Masr...

    work page internal anchor Pith review arXiv 2026

  15. [15]

    Kraus, B

    D. Kraus, B. Bachmann, B. Barbrel, R. W. Falcone, L. B. Fletcher, S. Frydrych, E. J. Gamboa, M. Gauthier, D. O. Gericke, S. H. Glenzer, S. G¨ ode, E. Granados, N. J. Hart- ley, J. Helfrich, H. J. Lee, B. Nagler, A. Ravasio, W. Schu- maker, J. Vorberger, and T. D¨ oppner, Characterizing the ionization potential depression in dense carbon plasmas with high-...

    2019

  16. [16]

    Sperling, E

    P. Sperling, E. J. Gamboa, H. J. Lee, H. K. Chung, E. Galtier, Y. Omarbakiyeva, H. Reinholz, G. R¨ opke, U. Zastrau, J. Hastings, L. B. Fletcher, and S. H. Glen- zer, Free-electron x-ray laser measurements of collisional- damped plasmons in isochorically heated warm dense matter, Phys. Rev. Lett.115, 115001 (2015)

    2015

  17. [17]

    W. M. Martin, J. Nilsen, L. B. Fletcher, M. J. MacDon- ald, L. Andersen, A. Arnott, H. Bellenbaum, M. B¨ ohme, N. Boiadjieva, N. Czapla, T. E. Cowan, T. D¨ oppner, G. Dyer, R. N. Ettelbrick, R. Falcone, S. Faubel, E. Galtier, A. Laso Garcia, T. Gawne, L. Hancock, P. Hart, N. J. Hartley, M. L. Herbert, X. Huang, G. Jain, K. D. Kabelitz, D. Khaghani, D. Kra...

    work page doi:10.1063/5.0267033 2025

  18. [18]

    A. L. Kritcher, D. C. Swift, T. D¨ oppner, B. Bachmann, L. X. Benedict, G. W. Collins, J. L. DuBois, F. El- sner, G. Fontaine, J. A. Gaffney, S. Hamel, A. Lazicki, W. R. Johnson, N. Kostinski, D. Kraus, M. J. MacDon- ald, B. Maddox, M. E. Martin, P. Neumayer, A. Nikroo, J. Nilsen, B. A. Remington, D. Saumon, P. A. Sterne, W. Sweet, A. A. Correa, H. D. Whi...

    2020

  19. [19]

    D¨ oppner, M

    T. D¨ oppner, M. Bethkenhagen, D. Kraus, P. Neumayer, D. A. Chapman, B. Bachmann, R. A. Baggott, M. P. B¨ ohme, L. Divol, R. W. Falcone, L. B. Fletcher, O. L. Landen, M. J. MacDonald, A. M. Saunders, M. Sch¨ orner, P. A. Sterne, J. Vorberger, B. B. L. Witte, A. Yi, R. Red- mer, S. H. Glenzer, and D. O. Gericke, Observing the on- set of pressure-driven k-s...

    2023

  20. [20]

    Boehly, D

    T. Boehly, D. Brown, R. Craxton, R. Keck, J. Knauer, J. Kelly, T. Kessler, S. Kumpan, S. Loucks, S. Letzring, F. Marshall, R. McCrory, S. Morse, W. Seka, J. Soures, and C. Verdon, Initial performance results of the omega laser system, Optics Communications133, 495 (1997)

    1997

  21. [21]

    J. S. Ross, D. H. Froula, A. J. Mackinnon, C. Sorce, N. Meezan, S. H. Glenzer, W. Armstrong, R. Bahr, R. Huff, and K. Thorp, Implementation of imaging thom- son scattering on the omega laser, Review of Scientific Instruments77, 10.1063/1.2220077 (2006)

    work page doi:10.1063/1.2220077 2006

  22. [22]

    L. B. Fletcher, A. Kritcher, A. Pak, T. Ma, T. D¨ oppner, C. Fortmann, L. Divol, O. L. Landen, J. Vorberger, D. A. Chapman, D. O. Gericke, R. W. Falcone, and S. H. Glenzer, X-ray thomson scattering measurements of tem- perature and density from multi-shocked CH capsules, Physics of Plasmas20, 10.1063/1.4807032 (2013)

    work page doi:10.1063/1.4807032 2013

  23. [23]

    Poole, M

    H. Poole, M. K. Ginnane, M. Millot, H. M. Bellenbaum, G. W. Collins, S. X. Hu, D. Polsin, R. Saha, J. Topp- Mugglestone, T. G. White, D. A. Chapman, J. R. Rygg, S. P. Regan, and G. Gregori, Multimessenger measure- ments of the static structure of shock-compressed liquid silicon at 100 gpa, Physical Review Research6, 023144 (2024)

    2024

  24. [24]

    Kremp, M

    D. Kremp, M. Schlanges, and T. Bornath,Quan- tum Statistics of Nonideal Plasmas, Springer Series on Atomic, Optical, and Plasma Physics (Springer, 2005)

    2005

  25. [25]

    Dornheim, Z

    T. Dornheim, Z. A. Moldabekov, K. Ramakrishna, P. To- lias, A. D. Baczewski, D. Kraus, T. R. Preston, D. A. Chapman, M. P. B¨ ohme, T. D¨ oppner, F. Graziani, M. Bonitz, A. Cangi, and J. Vorberger, Electronic den- sity response of warm dense matter, Phys. Plasmas30, 032705 (2023)

    2023

  26. [26]

    L. B. Fletcher, J. Vorberger, W. Schumaker, C. Ruyer, S. Goede, E. Galtier, U. Zastrau, E. P. Alves, S. D. Baal- rud, R. A. Baggott, B. Barbrel, Z. Chen, T. D¨ oppner, M. Gauthier, E. Granados, J. B. Kim, D. Kraus, H. J. Lee, M. J. MacDonald, R. Mishra, A. Pelka, A. Rava- sio, C. Roedel, A. R. Fry, R. Redmer, F. Fiuza, D. O. Gericke, and S. H. Glenzer, El...

    work page doi:10.3389/fphy.2022.838524 2022

  27. [27]

    Gawne, H

    T. Gawne, H. Bellenbaum, L. B. Fletcher, K. Appel, C. Baehtz, V. Bouffetier, E. Brambrink, D. Brown, A. Cangi, A. Descamps, S. Goede, N. J. Hartley, M.-L. Herbert, P. Hesselbach, H. H¨ oppner, O. S. Humphries, Z. Konˆ opkov´ a, A. Laso Garcia, B. Lindqvist, J. L¨ utgert, M. J. MacDonald, M. Makita, W. Martin, M. Mishchenko, Z. A. Moldabekov, M. Nakatsutsu...

    work page doi:10.1063/5.0222072 2024

  28. [28]

    M. F. Kasim, T. P. Galligan, J. Topp-Mugglestone, G. Gregori, and S. M. Vinko, Inverse problem instabilities in large-scale modeling of matter in extreme conditions, Phys. Plasmas26, 112706 (2019)

    2019

  29. [29]

    Bonitz, T

    M. Bonitz, T. Dornheim, Z. A. Moldabekov, S. Zhang, P. Hamann, H. K¨ ahlert, A. Filinov, K. Ramakrishna, and J. Vorberger, Ab initio simulation of warm dense matter, Phys. Plasmas27, 042710 (2020)

    2020

  30. [30]

    Model-free Rayleigh weight from x-ray Thomson scattering measurements

    T. Dornheim, H. M. Bellenbaum, M. Bethkenhagen, S. B. Hansen, M. P. B¨ ohme, T. D¨ oppner, L. B. Fletcher, T. Gawne, D. O. Gericke, S. Hamel, D. Kraus, M. J. MacDonald, Z. A. Moldabekov, T. R. Preston, R. Red- mer, M. Sch¨ orner, S. Schwalbe, P. Tolias, and J. Vor- berger, Model-free rayleigh weight from x-ray thom- son scattering measurements, Physics of...

    work page doi:10.1063/5.0238630 2025

  31. [31]

    Dornheim, T

    T. Dornheim, T. D¨ oppner, P. Tolias, M. P. B¨ ohme, L. B. Fletcher, T. Gawne, F. R. Graziani, D. Kraus, M. J. Mac- Donald, Z. A. Moldabekov, S. Schwalbe, D. O. Gericke, and J. Vorberger, Unraveling electronic correlations in warm dense quantum plasmas, Nature Communications 16, 10.1038/s41467-025-60278-3 (2025)

    work page doi:10.1038/s41467-025-60278-3 2025

  32. [32]

    A. D. Baczewski, L. Shulenburger, M. P. Desjarlais, S. B. Hansen, and R. J. Magyar, X-ray thomson scattering in warm dense matter without the chihara decomposition, Phys. Rev. Lett116, 115004 (2016)

    2016

  33. [33]

    Sch¨ orner, M

    M. Sch¨ orner, M. Bethkenhagen, T. D¨ oppner, D. Kraus, L. B. Fletcher, S. H. Glenzer, and R. Redmer, X-ray thomson scattering spectra from density functional the- ory molecular dynamics simulations based on a modified chihara formula, Phys. Rev. E107, 065207 (2023)

    2023

  34. [34]

    Poole, D

    H. Poole, D. Cao, R. Epstein, I. Golovkin, T. Walton, S. X. Hu, M. Kasim, S. M. Vinko, J. R. Rygg, V. N. Goncharov, G. Gregori, and S. P. Regan, A case study of using x-ray thomson scattering to diagnose the in-flight plasma conditions of dt cryogenic implosions, Phys. Plas- mas29, 072703 (2022)

    2022

  35. [35]

    Chihara, Difference in x-ray scattering between metal- lic and non-metallic liquids due to conduction electrons, Journal of Physics F: Metal Physics17, 295 (1987)

    J. Chihara, Difference in x-ray scattering between metal- lic and non-metallic liquids due to conduction electrons, Journal of Physics F: Metal Physics17, 295 (1987)

    1987

  36. [36]

    Dornheim, M

    T. Dornheim, M. B¨ ohme, D. Kraus, T. D¨ oppner, T. R. Preston, Z. A. Moldabekov, and J. Vorberger, Accurate temperature diagnostics for matter under extreme con- ditions, Nature Communications13, 7911 (2022)

    2022

  37. [37]

    Dornheim, M

    T. Dornheim, M. P. B¨ ohme, D. A. Chapman, D. Kraus, T. R. Preston, Z. A. Moldabekov, N. Schl¨ unzen, A. Cangi, T. D¨ oppner, and J. Vorberger, Imaginary- time correlation function thermometry: A new, high- accuracy and model-free temperature analysis technique for x-ray Thomson scattering data, Phys. Plasmas30, 042707 (2023)

    2023

  38. [38]

    H. M. Bellenbaum, M. P. B¨ ohme, M. Bonitz, T. D¨ oppner, L. B. Fletcher, T. Gawne, D. Kraus, Z. A. Moldabekov, S. Schwalbe, J. Vorberger, and T. Dornheim, Estimating ionization states and continuum lowering from ab initio path integral monte carlo simulations for warm dense hy- drogen, Physical Review Research7, 10.1103/9d7r-1xbm (2025)

    work page doi:10.1103/9d7r-1xbm 2025

  39. [39]

    D¨ oppner, O

    T. D¨ oppner, O. Landen, H. Lee, P. Neumayer, S. Regan, and S. Glenzer, Temperature measurement through de- tailed balance in x-ray thomson scattering, High Energy Density Physics5, 182 (2009)

    2009

  40. [40]

    Gawne, A

    T. Gawne, A. Kononov, A. Baczewski, H. Bellen- baum, M. P. B¨ ohme, Z. Moldabekov, T. R. Preston, S. Schwalbe, J. Vorberger, and T. Dornheim, Spectral de- convolution without the deconvolution: Extracting tem- perature from x-ray thomson scattering spectra without the source-and-instrument function (2025)

    2025

  41. [41]

    Hansen and I

    J. Hansen and I. McDonald,Theory of simple liquids : with applications to soft matter(Academic Press, 2013)

    2013

  42. [42]

    Kubo, The fluctuation-dissipation theorem, Reports on Progress in Physics29, 255 (1966)

    R. Kubo, The fluctuation-dissipation theorem, Reports on Progress in Physics29, 255 (1966)

    1966

  43. [43]

    W¨ unsch, P

    K. W¨ unsch, P. Hilse, M. Schlanges, and D. O. Gericke, Structure of strongly coupled multicomponent plasmas, Physical Review E77, 056404 (2008)

    2008

  44. [44]

    D. O. Gericke, J. Vorberger, K. W¨ unsch, and G. Gre- gori, Screening of ionic cores in partially ionized plasmas within linear response, Physical Review E81, 065401 (2010)

    2010

  45. [45]

    Pauling and J

    L. Pauling and J. Sherman, Screening constants for many-electron atoms. the calculation and interpretation of x-ray term values, and the calculation of atomic scat- tering factors, Zeitschrift f¨ ur Kristallographie - Crys- talline Materials81, 1 (1932)

    1932

  46. [46]

    N. D. Mermin, Lindhard dielectric function in the relaxation-time approximation, Phys. Rev. B1, 2362 (1970)

    1970

  47. [47]

    Bohm and A

    D. Bohm and A. D. Pines, Collective description of elec- tron interactions: Ii. collective vs individual particle as- pects of the interactions, Phys. Rev.85, 338 (1952)

    1952

  48. [48]

    Hubbard, Proceedings of the Royal Society of London

    J. Hubbard, Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences240, 539 (1957)

    1957

  49. [49]

    Fortmann, A

    C. Fortmann, A. Wierling, and G. R¨ opke, Influence of local-field corrections on thomson scattering in collision- dominated two-component plasmas, Physical Review E 81, 026405 (2010)

    2010

  50. [50]

    Reinholz, R

    H. Reinholz, R. Redmer, G. R¨ opke, and A. Wierling, Long-wavelength limit of the dynamical local-field factor and dynamical conductivity of a two-component plasma, Phys. Rev. E62, 5648 (2000)

    2000

  51. [51]

    Schumacher, F

    M. Schumacher, F. Smend, and I. Borchert, Incoherent scattering of gamma rays by inner-shell electrons, Jour- nal of Physics B: Atomic and Molecular Physics8, 1428 (1975), bF-DSF Formulation

    1975

  52. [52]

    M. P. B¨ ohme, L. B. Fletcher, T. D¨ oppner, D. Kraus, A. D. Baczewski, T. R. Preston, M. J. MacDonald, F. R. Graziani, Z. A. Moldabekov, J. Vorberger, and T. Dorn- heim, Evidence of free-bound transitions in warm dense matter and their impact on equation-of-state measure- ments (2023), arXiv:2306.17653 [physics.plasm-ph]

    work page arXiv 2023

  53. [53]

    Gregori, S

    G. Gregori, S. H. Glenzer, W. Rozmus, R. W. Lee, and O. L. Landen, Theoretical model of x-ray scattering as a dense matter probe, Phys. Rev. E67, 026412 (2003)

    2003

  54. [54]

    Gregori, A

    G. Gregori, A. Ravasio, A. H¨ oll, S. Glenzer, and S. Rose, Derivation of the static structure factor in strongly cou- pled non-equilibrium plasmas for x-ray scattering studies, High Energy Density Physics3, 99 (2007)

    2007

  55. [55]

    H. M. Bellenbaum, M. P. B¨ ohme, and T. Gawne, X-ray diagnostics, analysis, verification and exploration code (2026)

    2026

  56. [56]

    C. R. Harris, K. J. Millman, S. J. van der Walt, R. Gom- mers, P. Virtanen, D. Cournapeau, E. Wieser, J. Tay- lor, S. Berg, N. J. Smith, R. Kern, M. Picus, S. Hoyer, M. H. van Kerkwijk, M. Brett, A. Haldane, J. F. del R´ ıo, M. Wiebe, P. Peterson, P. G´ erard-Marchant, K. Shep- 13 pard, T. Reddy, W. Weckesser, H. Abbasi, C. Gohlke, and T. E. Oliphant, Arr...

    2020

  57. [57]

    SciPy Community, Scipy api, version 1.16.2

  58. [58]

    W¨ unsch,Theory of X-ray Thomson scattering in warm dense matter, phdthesis, University of Warwick (2011)

    K. W¨ unsch,Theory of X-ray Thomson scattering in warm dense matter, phdthesis, University of Warwick (2011)

    2011

  59. [59]

    Gawne, S

    T. Gawne, S. Schwalbe, T. Chuna, U. H. Acosta, T. R. Preston, and T. Dornheim, Heart: A new x-ray tracing code for mosaic crystal spectrometers, Computer Physics Communications , 109878 (2025)

    2025

  60. [60]

    Newville, R

    M. Newville, R. Otten, A. Nelson, T. Stensitzki, A. In- gargiola, D. Allan, A. Fox, F. Carter, and M. Rawlik, Lmfit: Non-linear least-squares minimization and curve- fitting for python (2025)

    2025

  61. [61]

    Foreman-Mackey, D

    D. Foreman-Mackey, D. W. Hogg, D. Lang, and J. Good- man, emcee: The mcmc hammer (2012)

    2012

  62. [62]

    Dornheim, Z

    T. Dornheim, Z. A. Moldabekov, and P. Tolias, Analyti- cal representation of the local field correction of the uni- form electron gas within the effective static approxima- tion, Phys. Rev. B103, 165102 (2021)

    2021

  63. [63]

    Dornheim, A

    T. Dornheim, A. Cangi, K. Ramakrishna, M. B¨ ohme, S. Tanaka, and J. Vorberger, Effective static approxima- tion: A fast and reliable tool for warm-dense matter the- ory, Phys. Rev. Lett.125, 235001 (2020)

    2020

  64. [64]

    Crowley, Continuum lowering – a new perspective, High Energy Density Physics13, 84 (2014)

    B. Crowley, Continuum lowering – a new perspective, High Energy Density Physics13, 84 (2014)

    2014

  65. [65]

    D. A. Chapman, J. Vorberger, L. B. Fletcher, R. A. Bag- gott, L. Divol, T. D¨ oppner, R. W. Falcone, S. H. Glen- zer, G. Gregori, T. M. Guymer, A. L. Kritcher, O. L. Landen, T. Ma, A. E. Pak, and D. O. Gericke, Ob- servation of finite-wavelength screening in high-energy- density matter, Nature Communications6, 10.1038/n- comms7839 (2015)

    work page doi:10.1038/n- 2015

  66. [66]

    Kraus, T

    D. Kraus, T. D¨ oppner, A. L. Kritcher, A. Yi, K. Boehm, B. Bachmann, L. Divol, L. B. Fletcher, S. H. Glenzer, O. L. Landen, N. Masters, A. M. Saunders, C. Weber, R. W. Falcone, and P. Neumayer, Platform for spectrally resolved x-ray scattering from imploding capsules at the national ignition facility, Journal of Physics: Conference Series717, 012067 (2016)

    2016

  67. [67]

    S. H. Glenzer, O. L. Landen, P. Neumayer, R. W. Lee, K. Widmann, S. W. Pollaine, R. J. Wallace, G. Gre- gori, A. H¨ oll, T. Bornath, R. Thiele, V. Schwarz, W.- D. Kraeft, and R. Redmer, Observations of plasmons in warm dense matter, Phys. Rev. Lett.98, 065002 (2007)

    2007

  68. [68]

    Z. A. Johnson, L. G. Silvestri, G. M. Petrov, L. G. Stanton, and M. S. Murillo, Comparison of trans- port models in dense plasmas, Physics of Plasmas31, 10.1063/5.0204226 (2024)

    work page doi:10.1063/5.0204226 2024

  69. [69]

    Zastrau, K

    U. Zastrau, K. Appel, C. Baehtz, O. Baehr, L. Batchelor, A. Bergh¨ auser, M. Banjafar, E. Brambrink, V. Cerantola, T. E. Cowan, H. Damker, S. Dietrich, S. Di Dio Cafiso, J. Dreyer, H.-O. Engel, T. Feldmann, S. Findeisen, M. Foese, D. Fulla-Marsa, S. G¨ ode, M. Hassan, J. Hauser, T. Herrmannsd¨ orfer, H. H¨ oppner, J. Kaa, P. Kaever, K. Kn¨ ofel, Z. Konˆ o...

    2021

  70. [70]

    Preston, S

    T. Preston, S. G¨ ode, J.-P. Schwinkendorf, K. Appel, E. Brambrink, V. Cerantola, H. H¨ oppner, M. Makita, A. Pelka, C. Prescher, K. Sukharnikov, A. Schmidt, I. Thorpe, T. Toncian, A. Amouretti, D. Chekrygina, R. Falcone, K. Falk, L. Fletcher, E. Galtier, M. Har- mand, N. Hartley, S. Hau-Riege, P. Heimann, L. Huang, O. Humphries, O. Karnbach, D. Kraus, H....

  71. [71]

    Kraus, T

    D. Kraus, T. R. Preston, and U. Zastrau, Warm dense matter studies with x-ray free-electron lasers, Nature Re- views Physics8, 27 (2025)

    2025

  72. [72]

    M. P. B¨ ohme, W. Martin, H. Bellenbaum, M. Berrens, J. Vorberger, S. Schwalbe, Z. Moldabekov, T. Gawne, S. Hamel, B. Aguilar-Solis, A. Sharma, F. Graziani, T. D¨ oppner, S. Glenzer, T. Dornheim, and D. Bishel, Correlation function metrology for warm dense matter: Recent developments and practical guidelines (2025)

    2025

  73. [73]

    Dornheim, T

    T. Dornheim, T. D¨ oppner, A. D. Baczewski, P. Tolias, M. P. B¨ ohme, Z. Moldabekov, T. Gawne, D. Ranjan, D. A. Chapman, M. J. MacDonald, T. Preston, D. Kraus, and J. Vorberger, X-ray Thomson scattering absolute in- tensity from the f-sum rule in the imaginary-time domain, Scientific Reports14, 14377 (2024)

    2024

  74. [74]

    D¨ oppner, A

    T. D¨ oppner, A. L. Kritcher, P. Neumayer, D. Kraus, B. Bachmann, S. Burns, R. W. Falcone, S. H. Glenzer, J. Hawreliak, A. House, O. L. Landen, S. LePape, T. Ma, A. Pak, and D. Swift, Qualification of a high-efficiency, gated spectrometer for x-ray thomson scattering on the national ignition facilitya), Review of Scientific Instru- ments85, 11D617 (2014)

    2014

  75. [75]

    T. A. Hall, A focusing x-ray crystal spectrograph, Journal of Physics E: Scientific Instruments17, 110 (1984)

    1984

  76. [76]

    Chung, M

    H.-K. Chung, M. Chen, W. Morgan, Y. Ralchenko, and R. Lee, Flychk: Generalized population kinetics and spectral model for rapid spectroscopic analysis for all el- ements, High Energy Density Physics1, 3 (2005)

    2005

  77. [77]

    M. J. MacDonald, A. M. Saunders, B. Bachmann, M. Bethkenhagen, L. Divol, M. D. Doyle, L. B. Fletcher, S. H. Glenzer, D. Kraus, O. L. Landen, H. J. LeFevre, S. R. Klein, P. Neumayer, R. Redmer, M. Sch¨ orner, N. Whiting, R. W. Falcone, and T. D¨ oppner, Demonstra- tion of a laser-driven, narrow spectral bandwidth x-ray source for collective x-ray scatterin...

    2021

  78. [78]

    M. W. C. Dharma-wardana and D. D. Klug, Highly com- pressed spin-singlet be at a million kelvin, Physical Re- view E111, 10.1103/m7x8-ds58 (2025)

    work page doi:10.1103/m7x8-ds58 2025

  79. [79]

    J. Zeng, A. Deng, C. Gao, Y. Hou, and J. Yuan, Extended chemical picture of ionization balance to extremely dense plasmas, Physical Review E111, 015211 (2025)

    2025

  80. [80]

    L. v. H´ amos, R¨ ontgenspektroskopie und abbildung mit- tels gekr¨ ummter kristallreflektoren, Naturwissenschaften 20, 705 (1932)

    1932

Showing first 80 references.