Self-propulsion protocols for swift non-equilibrium state transitions and enhanced cooling in active systems
Fuente:
arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866917425546526720 |
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| author | Olsen, Kristian Stølevik Löwen, Hartmut |
| author_facet | Olsen, Kristian Stølevik Löwen, Hartmut |
| contents | A control framework is proposed for inducing non-equilibrium state transitions in confined active matter, where the statistics of self-propulsion serve as the only control parameter. Positivity of the noise amplitudes and fundamental bounds on position-propulsion correlations define the admissible control space and impose speed-limits on transitions between non-equilibrium states. We show that non-stationary initial states facilitate additional speed-ups, corresponding to pre-loading the state with negative correlations. This enables active cooling protocols that outperform their passive counterparts. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_19252 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Self-propulsion protocols for swift non-equilibrium state transitions and enhanced cooling in active systems Olsen, Kristian Stølevik Löwen, Hartmut Statistical Mechanics Soft Condensed Matter A control framework is proposed for inducing non-equilibrium state transitions in confined active matter, where the statistics of self-propulsion serve as the only control parameter. Positivity of the noise amplitudes and fundamental bounds on position-propulsion correlations define the admissible control space and impose speed-limits on transitions between non-equilibrium states. We show that non-stationary initial states facilitate additional speed-ups, corresponding to pre-loading the state with negative correlations. This enables active cooling protocols that outperform their passive counterparts. |
| title | Self-propulsion protocols for swift non-equilibrium state transitions and enhanced cooling in active systems |
| topic | Statistical Mechanics Soft Condensed Matter |
| url | https://arxiv.org/abs/2604.19252 |