Bulk-Boundary Correspondence in Ergodic and Nonergodic One-Dimensional Stochastic Processes
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866929332889321472 |
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| author | Sawada, Taro Sone, Kazuki Yokomizo, Kazuki Ashida, Yuto Sagawa, Takahiro |
| author_facet | Sawada, Taro Sone, Kazuki Yokomizo, Kazuki Ashida, Yuto Sagawa, Takahiro |
| contents | Bulk-boundary correspondence is a fundamental principle in topological physics. In recent years, there have been considerable efforts in extending the idea of geometry and topology to classical stochastic systems far from equilibrium. However, it has been unknown whether or not the bulk-boundary correspondence can be extended to the steady states of stochastic processes accompanied by additional constraints such as the conservation of probability. The present study reveals the general form of bulk-boundary correspondence in classical stochastic processes. Specifically, we prove a correspondence between the winding number and the number of localized steady states in both ergodic and nonergodic systems. Furthermore, we extend the argument of the bulk-boundary correspondence to a many-body stochastic model called the asymmetric simple exclusion process (ASEP). These results would provide a guiding principle for exploring topological origin of localization in various stochastic processes including biological systems. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2405_00458 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Bulk-Boundary Correspondence in Ergodic and Nonergodic One-Dimensional Stochastic Processes Sawada, Taro Sone, Kazuki Yokomizo, Kazuki Ashida, Yuto Sagawa, Takahiro Mesoscale and Nanoscale Physics Statistical Mechanics Bulk-boundary correspondence is a fundamental principle in topological physics. In recent years, there have been considerable efforts in extending the idea of geometry and topology to classical stochastic systems far from equilibrium. However, it has been unknown whether or not the bulk-boundary correspondence can be extended to the steady states of stochastic processes accompanied by additional constraints such as the conservation of probability. The present study reveals the general form of bulk-boundary correspondence in classical stochastic processes. Specifically, we prove a correspondence between the winding number and the number of localized steady states in both ergodic and nonergodic systems. Furthermore, we extend the argument of the bulk-boundary correspondence to a many-body stochastic model called the asymmetric simple exclusion process (ASEP). These results would provide a guiding principle for exploring topological origin of localization in various stochastic processes including biological systems. |
| title | Bulk-Boundary Correspondence in Ergodic and Nonergodic One-Dimensional Stochastic Processes |
| topic | Mesoscale and Nanoscale Physics Statistical Mechanics |
| url | https://arxiv.org/abs/2405.00458 |