Generalized Langevin equation with fluctuating diffusivity
A generalized Langevin equation with fluctuating diffusivity (GLEFD) is proposed, and it is shown that the GLEFD satisfies a generalized fluctuation-dissipation relation. If the memory kernel is a power law, the GLEFD exhibits subdiffusion, non-Gaussianity, and stretched-exponential relaxation. The...
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| Format: | Article |
| Language: | English |
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American Physical Society
2022-10-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/PhysRevResearch.4.043062 |