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| Main Author: | |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.08206 |
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| _version_ | 1866911664034545664 |
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| author | Michishita, Yoshihiro |
| author_facet | Michishita, Yoshihiro |
| contents | Current-induced phenomena are often obscured by Joule heating, and their steady states are difficult to analyze in large open systems. We introduce a translationally invariant asymmetric-hopping model as an effective bulk description of boundary-driven systems under current. In a minimal case, it corresponds to an open-system Hatano--Nelson model. We find that the effective temperature rises linearly with current density, as observed experimentally. The model provides a useful tool for separating intrinsic current-induced effects from heating. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_08206 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Construction and Analysis of the Effective Model for the Bulk Steady State under Current in Boundary-Driven Open Systems Michishita, Yoshihiro Mesoscale and Nanoscale Physics Strongly Correlated Electrons Current-induced phenomena are often obscured by Joule heating, and their steady states are difficult to analyze in large open systems. We introduce a translationally invariant asymmetric-hopping model as an effective bulk description of boundary-driven systems under current. In a minimal case, it corresponds to an open-system Hatano--Nelson model. We find that the effective temperature rises linearly with current density, as observed experimentally. The model provides a useful tool for separating intrinsic current-induced effects from heating. |
| title | Construction and Analysis of the Effective Model for the Bulk Steady State under Current in Boundary-Driven Open Systems |
| topic | Mesoscale and Nanoscale Physics Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2605.08206 |