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http://hdl.handle.net/1942/35948
Title: | Relaxation-speed crossover in anharmonic potentials | Authors: | Meibohm, Jan Forastiere, Danilo Adeleke-Larodo, Tunrayo PROESMANS, Karel |
Issue Date: | 2021 | Publisher: | AMER PHYSICAL SOC | Source: | Physical review. E (Print), 104 (3) (Art N° L032105) | Abstract: | served to occur faster from cold to hot (heating) than from hot to cold (cooling). Here we show that overdamped diffusion in anharmonic potentials generically exhibits both faster heating and faster cooling, depending on the initial temperatures and on the potential's degree of anharmonicity. We draw a relaxation-speed phase diagram that localizes the different behaviors in parameter space. In addition to faster-heating and faster-cooling regions, we identify a crossover region in the phase diagram, where heating is initially slower but asymptotically faster than cooling. The structure of the phase diagram is robust against the inclusion of a confining, harmonic term in the potential as well as moderate changes of the measure used to define initially equidistant temperatures. | Notes: | Meibohm, J (corresponding author), Univ Luxembourg, Dept Phys & Mat Sci, L-1511 Luxembourg, Luxembourg. | Document URI: | http://hdl.handle.net/1942/35948 | ISSN: | 2470-0045 | e-ISSN: | 2470-0053 | DOI: | 10.1103/PhysRevE.104.L032105 | ISI #: | WOS:000702609400001 | Rights: | 2021 American Physical Society | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2022 |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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2107.07894.pdf | Non Peer-reviewed author version | 573.32 kB | Adobe PDF | View/Open |
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