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Real-time chiral dynamics at finite temperature from quantum simulation

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arxiv 2407.21496 v2 pith:3DGMG756 submitted 2024-07-31 hep-ph hep-lathep-thnucl-thquant-ph

Kazuki Ikeda , Zhong-Bo Kang , Dmitri E. Kharzeev , Wenyang Qian , Fanyi Zhao This is my paper · ORCID
classification hep-phhep-lathep-thnucl-thquant-ph
keywords chiralquantumdynamicsevolutionreal-timechemicalfinitepotential
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abstract

In this study, we explore the real-time dynamics of the chiral magnetic effect (CME) at a finite temperature in the (1+1)-dimensional QED, the massive Schwinger model. By introducing a chiral chemical potential $\mu_5$ through a quench process, we drive the system out of equilibrium and analyze the induced vector currents and their evolution over time. The Hamiltonian is modified to include the time-dependent chiral chemical potential, thus allowing the investigation of the CME within a quantum computing framework. We employ the quantum imaginary time evolution (QITE) algorithm to study the thermal states, and utilize the Suzuki-Trotter decomposition for the real-time evolution. This study provides insights into the quantum simulation capabilities for modeling the CME and offers a pathway for studying chiral dynamics in low-dimensional quantum field theories.

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Cited by 5 Pith papers

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