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Open Quantum Systems Decoherence Quantum Simulation

Hamiltonian non-Hermicity: accurate dynamics with the multiple Davydov D2 Ansätze

arXiv
Authors: L. Zhang, K. Shen, Y. Yan, K. Sun, M. F. Gelin, Y. Zhao

Year

2024

Paper ID

38055

Status

Preprint

Abstract Read

~2 min

Abstract Words

94

Citations

N/A

Abstract

We examine the applicability of the numerically accurate method of time dependent variation with multiple Davydov Ansatze (mDA) to non-Hermitian systems. Three systems of interest includes: a non-Hermitian system of dissipative Landau-Zener transitions, a non-Hermitian, multimode Jaynes-Cummings model, and a dissipative Holstein-Tavis-Cummings model, where complex many-body dynamics are accurately captured by the mDA method. Our findings highlight the versatility of the mDA as a powerful numerical tool for investigating complex many-body non-Hermitian systems, which can be extended to explore diverse phenomena such as skin effects, excited-state dynamics, and spectral topology in the non-Hermitian field.

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  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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  • We examine the applicability of the numerically accurate method of time dependent variation with multiple Davydov Ansatze (mDA) to non-Hermitian systems.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2410.12285 [2] arXiv https://arxiv.org/abs/2410.12285 [3] Publisher https://arxiv.org/abs/2410.12285

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