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INDEX

Every paper Pith has read and judged, in one searchable index.

446 reviewed papers in physics.class-ph · newest first · page 1

Pith rank means recent reader upvotes with each upvote's ranking weight halved after 24 hours. The archive itself is sorted by arXiv submission date.

  1. physics.ed-ph arXiv submitted 2026-08-11
    Sliding friction heats surfaces because contact points flex

    J. David Brown · “Work Done by Sliding Friction”

    2608.11157
  2. math-ph arXiv submitted 2026-08-10
    A cubic equation fixes the best Tarzan jump release angle

    Ken Yamamoto · “Theoretical analysis of the maximum range of a projectile released from a pendulum”

    2608.09157
  3. cond-mat.stat-mech arXiv submitted 2026-08-07
    One model makes Einstein-de Sitter expansion the late-time attractor

    Akash Singh +3 · “Classical fractons with cosmological fixed points”

    2608.07672
  4. physics.hist-ph arXiv submitted 2026-08-06
    F=ma is a theorem, not an empirical law

    Lars Nordmann · “Newton's Second Law: A Theoretical Identity Derived from the Principle of Excluded Perpetual Motion and the Weak Equivalence Principle”

    2608.06266
  5. nlin.SI arXiv submitted 2026-08-06
    A curl-force Hamiltonian becomes Liouville integrable at alpha = -beta

    Alexander Felski +1 · “Integrable curl-force Hamiltonians: bi-Hamiltonian structure, separability, and periodic orbits”

    2608.05952
  6. math-ph arXiv submitted 2026-08-06
    Adding an oblique fiber family makes 2-D pantographic fabric complete

    Casey Rodriguez +4 · “On the synthesis of complete two-dimensional second-gradient continua: Tri-pantographic fabrics”

    2608.05524
  7. cond-mat.mtrl-sci arXiv submitted 2026-08-05
    Dislocation emission shields cracks but does not toughen them

    Khanh Chau Le +1 · “A phase field model of coupled crack and dislocations: emission, blunting, and the necessity of dissipative toughening”

    2608.04781
  8. cond-mat.stat-mech arXiv submitted 2026-08-04
    Exact resonances can't guarantee phonon energy diffusion

    Wei Lin +2 · “Exact Resonances Are Not Sufficient for Phonon Energy Diffusion”

    2608.03180
  9. physics.class-ph arXiv submitted 2026-08-03
    Correct faulty plastic laws on the fly to obey the Second Law

    Maximiliano Larrain Silva +1 · “Solving the Dissipation Inequality not as a constitutive restriction”

    2608.02215
  10. physics.class-ph arXiv submitted 2026-08-03
    Minimal correction makes faulty plasticity laws obey the Second Law

    Maximiliano Larrain Silva +1 · “Solving the Dissipation Inequality not as a constitutive restriction”

    2608.02215
  11. physics.class-ph arXiv submitted 2026-08-03
    When lattices don't match, one wave fans into many

    Cong Chen +3 · “Wave Scattering at temporal interfaces with spatial-translation-symmetry mismatch”

    2608.02076
  12. math-ph arXiv submitted 2026-08-03
    Micromorphic theory follows from gauge invariance alone

    Boris Kolev (LMPS) +1 · “Geometric theory of generalised continua using moving frames”

    2608.01996
  13. gr-qc arXiv submitted 2026-08-03
    Canonical map equates Bateman and Caldirola-Kanai scalar-field systems

    Narakorn Kaewkhao +1 · “A Time-Dependent Canonical Transformation between Bateman and Doubled Caldirola--Kanai Systems for a Homogeneous Massive Scalar Field on a Prescribed FLRW Background”

    2608.01894
  14. physics.ed-ph arXiv submitted 2026-08-02
    Boundary term alone yields Ostrogradsky's canonical pairs

    Drew Watson +2 · “The First Variational Formula and the Ostrogradsky Formalism”

    2608.01491
  15. physics.class-ph arXiv submitted 2026-08-02
    Euclidean construction links orbits to inverse-square force

    Changchun Shi · “Constructive Euclidean Proofs of the Equivalence Between Keplerian Orbits and Newton's Inverse-Square Law”

    2608.02676
  16. physics.class-ph arXiv submitted 2026-08-01
    Four constants stay fixed on optimal continuous-thrust orbital paths

    Aimar Negrete +1 · “Conserved Quantities of Optimal Continuous-Thrust Trajectories in A Central Gravitational Field”

    2608.00842
  17. physics.class-ph arXiv submitted 2026-08-01
    Sliding bar plus self-inductance equals a damped RLC oscillator

    Carlos E. Alvarez · “The moving bar problem: an electromechanical damped oscillator”

    2608.00757
  18. physics.class-ph arXiv submitted 2026-07-31
    Hollow-sphere stress fields reduced to explicit series

    Satoshi Takada +1 · “Revisiting Stress Analysis in a Three-Dimensional Elastic Hollow Sphere under Uniaxial Compression via the Inverse Laplace Transform Expressions within an Elastodynamic Framework”

    2607.29286
  19. cond-mat.mtrl-sci arXiv submitted 2026-07-31
    One fracture model unifies plastic

    Blaise Bourdin +1 · “Strength-degradation phase-field regularization of cohesive fracture: the antiplane case”

    2607.29157
  20. cond-mat.stat-mech arXiv submitted 2026-07-30
    One assumption proves the second law—and exposes its limit

    Yu Qiao · “Deriving the second law of thermodynamics and exploring its boundaries”

    2607.28765
  21. physics.hist-ph arXiv submitted 2026-07-30
    Roemer’s method still yields c within 10% with small telescopes

    Fabio Falchi +3 · “De mora luminis: Roemer's discovery 350 years later”

    2607.28512
  22. physics.class-ph arXiv submitted 2026-07-29
    Five charges beat Maxwell's bound with 24 equilibria

    Philip Arathoon +2 · “The Maxwell Conjecture is False”

    2607.27197
  23. cond-mat.soft arXiv submitted 2026-07-29
    Rigid kirigami snaps into locked 3D shapes by design

    Xiaoyuan Ying +1 · “Instability-induced bistable shape-morphing kirigami structures”

    2607.26941
  24. math.AP arXiv submitted 2026-07-28
    One tunable weight tames ill-posed homogenized wave equations

    R\'emi Cornaggia +4 · “Well-posed homogenized strain-gradient models for linear elastodynamics and elastostatics in arbitrary periodic media”

    2607.25602
  25. math-ph arXiv submitted 2026-07-28
    Painlevé paradox flips with the observer's frame

    Stefano Pasquero · “Notes on a paper by F. G\'enot and B. Brogliato on the Painlev\'e paradox”

    2607.25414
  26. gr-qc arXiv submitted 2026-07-27
    One function maps binary orbits cycle to cycle under radiation reaction

    Francisco M. Blanco · “The Magnusian generator for dissipative systems and application to leading 2.5PN radiation-reaction dynamics”

    2607.24335
  27. physics.class-ph arXiv submitted 2026-07-27
    Two pairs of period-two states appear in one parametric oscillator

    P. Y. Chan +4 · “Multibranched parametric resonance and swallowtail catastrophe in electromechanical oscillators with nonlinear friction”

    2607.27242
  28. cond-mat.soft arXiv submitted 2026-07-24
    Coil-of-coils stiffness and twist hinge on a 19.47° angle

    Hiroyuki Shima · “Geometric Renormalization and a Chirality Threshold in Recursively Coiled Filaments”

    2607.22158
  29. physics.optics arXiv submitted 2026-07-23
    Three derivations converge on one Wigner-angle formula

    C. J. McKinstrie +1 · “How to calculate the Wigner angle”

    2607.21724
  30. physics.class-ph arXiv submitted 2026-07-23
    Passive obstacles turn plain wave packets into vortices and rings

    Zhiling Zhou +6 · “Spatiotemporal Vortex Rings Induced by Spatiotemporal Coupling”

    2607.21322
  31. nlin.SI arXiv submitted 2026-07-23
    New Lax pairs capture all three invariants of the 2D oscillator

    Govind S. Krishnaswami +2 · “Lax pairs and $r$-matrices for some two-dimensional isotropic oscillators”

    2607.20983
  32. math-ph arXiv submitted 2026-07-21
    One blurring length governs the shower curtain effect

    Cristophe Gomez (I2M) +1 · “Imaging through rough interfaces: The shower curtain effect”

    2607.18947
  33. physics.class-ph arXiv submitted 2026-07-21
    Three event cameras reconstruct 3D bubble paths at 97% consistency

    A Al Brahim +4 · “Three-Dimensional Bubbly Flow Measurement Using Event-based Vision Sensor Cameras”

    2607.18823
  34. physics.flu-dyn arXiv submitted 2026-07-21
    A rising electric field puts droplets through tilt-and-wobble regimes

    Saurabh Sharma (CORIA) +4 · “Influence of Electrohydrodynamic on Droplet Stability in Leaky Dielectric Media”

    2607.21638
  35. cond-mat.mes-hall arXiv submitted 2026-07-20
    Mechanical oscillators host a genuinely non-Abelian gauge field

    Ivan Velkovsky +4 · “Non-Abelian Gauge Field Mechanics”

    2607.18215
  36. physics.hist-ph arXiv submitted 2026-07-18
    Absolute velocity's undetectability is not a Newtonian theorem

    Jorge Manero +2 · “On the detection of absolute velocity in a Newtonian universe”

    2607.16584
  37. physics.flu-dyn arXiv submitted 2026-07-17
    An island turns random waves into a vortex half the time

    Alex J. Vernon +4 · “Vortex formation around islands in random waves”

    2607.15938
  38. math-ph arXiv submitted 2026-07-16
    Exact frequency makes Duffing perturbation converge 4× faster

    Ramij Ahamed +1 · “Study of Duffing oscillator using an improved Lindstedt Poincare method and relevant comparisons”

    2607.15233
  39. cond-mat.stat-mech arXiv submitted 2026-07-15
    Residual energy grows as (ξN)^{2/3} in a cooled model solid

    Matteo Razza +2 · “Cooling rate and glassy behavior in the Fermi--Pasta--Ulam system”

    2607.13833
  40. cond-mat.stat-mech arXiv submitted 2026-07-13
    Kinetic Gibbs-Duhem recovers sound speed

    Fei Wang · “Density evolution at fluid-fluid interfaces: A generalized Gibbs-Duhem theory”

    2607.11988
  41. cond-mat.stat-mech arXiv submitted 2026-07-13
    Kinetic term in Gibbs–Duhem relation yields a density evolution law

    Fei Wang · “Density evolution at fluid-fluid interfaces: A generalized Gibbs-Duhem theory”

    2607.11988
  42. physics.class-ph arXiv submitted 2026-07-13
    Thin wires of any shape carry linear surface charge

    Roberto Merlin · “Surface charge density of current-carrying conductors: An exact analytical solution for infinitely thin wires of arbitrary shape”

    2607.11480
  43. physics.class-ph arXiv submitted 2026-07-11
    Wire media tuned over 80% by simple breathing motion

    Denis Sakhno +1 · “Tuning Plasma Frequency of Nested Wire Media”

    2607.10303
  44. physics.class-ph arXiv submitted 2026-07-10
    Water waves trace the inverted oscillator’s phase space

    Georgi Gary Rozenman +4 · “Observation of Phase Space Dynamics of Inverted Harmonic Oscillator”

    2607.18297
  45. physics.class-ph arXiv submitted 2026-07-10
    Orientation tensors fix stiffness of spheroid composites

    Antoine Martin (IRESNE) · “Mean field homogenization schemes for composites with prolate and oblate spheroids: use of the orientation tensors and computation of the strain second-moments”

    2607.09213
  46. physics.class-ph arXiv submitted 2026-07-10
    Circling exceptional points flips elastic spin by path handedness

    Chenwen Yang +1 · “Chiral switching of elastic spin via dynamic encirclement of exceptional points”

    2607.09083
  47. physics.class-ph arXiv submitted 2026-07-09
    Classical acceleration of an electron yields exact Planck radiation

    Michael R.R. Good · “An advanced undergraduate derivation of acceleration thermality”

    2607.08184
  48. physics.class-ph arXiv submitted 2026-07-07
    Classical bundles keep fixed area

    Taisuke Hasegawa · “Variational Gaussian Wave-Packet Dynamics from Constrained Classical Trajectory Bundles”

    2607.07734
  49. physics.class-ph arXiv submitted 2026-07-07
    Bundled classical trajectories reproduce Gaussian TDVP as N→∞

    Taisuke Hasegawa · “Variational Gaussian Wave-Packet Dynamics from Constrained Classical Trajectory Bundles”

    2607.07734
  50. physics.class-ph arXiv submitted 2026-07-07
    Fixed-area trajectory bundles converge to Gaussian wave-packet dynamics

    Taisuke Hasegawa · “Variational Gaussian Wave-Packet Dynamics from Constrained Classical Trajectory Bundles”

    2607.07734