Publications by authors named "Ariane Soret"
Article Synopsis
- - We present a systematic method to analyze the thermodynamics of quantum systems using symmetry groups, revealing that a system's entropy can be linked to certain group-theoretical aspects rather than specific density matrix details.
- - Our findings show that for a large number of identical interacting quantum systems, the entropy follows a universal pattern determined solely by the permutation group's structure, rather than individual properties of the systems.
- - We also demonstrate how our approach applies to models like the transverse-field Curie-Weiss model, highlighting the relationship between thermal and quantum fluctuations during phase transitions.
We show that mesoscopic coherent fluctuations of light propagating in random media induce fluctuating radiation forces. A hydrodynamic Langevin approach is used to describe the coherent light fluctuations, whose noise term accounts for mesoscopic coherent effects. This description-generalizable to other quantum or classical wave problems-allows us to understand coherent fluctuations as a nonequilibrium light flow, characterized by the diffusion coefficient D and the mobility σ, otherwise related by a Einstein relation.
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