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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2410.12285 |
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| _version_ | 1866916465600364544 |
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| author | Zhang, L. Shen, K. Yan, Y. Sun, K. Gelin, M. F. Zhao, Y. |
| author_facet | Zhang, L. Shen, K. Yan, Y. Sun, K. Gelin, M. F. Zhao, Y. |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_12285 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Hamiltonian non-Hermicity: accurate dynamics with the multiple Davydov D$_2$ Ansätze Zhang, L. Shen, K. Yan, Y. Sun, K. Gelin, M. F. Zhao, Y. Quantum Physics 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. |
| title | Hamiltonian non-Hermicity: accurate dynamics with the multiple Davydov D$_2$ Ansätze |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2410.12285 |