Diffusion on the Distorted Fermi Surface
V.M. Kolomietz, S.V. Lukyanov
TL;DR
This paper investigates how particles relax on a distorted Fermi surface in a Fermi liquid, analyzing relaxation times, deformation effects, and the evolution of particle-hole excitations.
Contribution
It introduces a detailed analysis of relaxation times depending on Fermi surface deformation multipolarity and studies the evolution of non-equilibrium excitations.
Findings
Relaxation time depends on Fermi surface deformation multipolarity.
Time evolution of particle-hole excitations is characterized.
Diffusion approximation effectively describes relaxation processes.
Abstract
The diffusion approximation to the relaxation on the distorted Fermi surface in a Fermi liquid is considered. The dependence of the relaxation time on the multipolarity of a Fermi surface deformation is established. The time evolution of the non-equilibrium particle-hole excitations is studied.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Physics of Superconductivity and Magnetism · Quantum, superfluid, helium dynamics