Parametric Hypersensitivity and Transport in the Steady-State Open-System Holstein Model
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866910842337886208 |
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| author | Jacobus, Nishaant Brumer, Paul Chuang, Chern |
| author_facet | Jacobus, Nishaant Brumer, Paul Chuang, Chern |
| contents | We demonstrate that the nonequilibrium steady state (NESS) of an open-system Holstein model with linear bias displays extreme sensitivity to the closed system parameters. This sensitivity is shown to correspond to avoided crossings in the closed system spectrum, as previously demonstrated in the Rabi model. We then develop a kinetic model to analyze the effects of environmental parameters on NESS hypersensitivity. This reveals that hypersensitivity only exists in intermediate environmental parameter regimes, a prediction that is verified numerically. The inherent spatial character of the Holstein model offers a natural connection to transport, revealing that transport properties in the steady-state regime can be optimized by simultaneously coordinating the closed- and open-system parameters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_16891 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Parametric Hypersensitivity and Transport in the Steady-State Open-System Holstein Model Jacobus, Nishaant Brumer, Paul Chuang, Chern Quantum Physics We demonstrate that the nonequilibrium steady state (NESS) of an open-system Holstein model with linear bias displays extreme sensitivity to the closed system parameters. This sensitivity is shown to correspond to avoided crossings in the closed system spectrum, as previously demonstrated in the Rabi model. We then develop a kinetic model to analyze the effects of environmental parameters on NESS hypersensitivity. This reveals that hypersensitivity only exists in intermediate environmental parameter regimes, a prediction that is verified numerically. The inherent spatial character of the Holstein model offers a natural connection to transport, revealing that transport properties in the steady-state regime can be optimized by simultaneously coordinating the closed- and open-system parameters. |
| title | Parametric Hypersensitivity and Transport in the Steady-State Open-System Holstein Model |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2502.16891 |