Viscous Electron Flow and Nonlinear Magnetotransport in 2D Channels

Fuente: arXiv
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Autores principales: Levin, A. D., Gusev, G. M., Bakarov, A. K.
Formato: Preprint
Publicado: 2026
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author Levin, A. D.
Gusev, G. M.
Bakarov, A. K.
author_facet Levin, A. D.
Gusev, G. M.
Bakarov, A. K.
contents We examine nonlinear transport in a viscous two-dimensional electron fluid within narrow GaAs channels. The differential magnetoresistance shows nonmonotonic behavior, a signature of electron pairing in the hydrodynamic regime. Theoretical models that account for both the influence of these interactions on shear stress relaxation and viscosity changes from electron heating show good agreement with the data. The nonlinear regime thus reveals how such correlated states govern the hydrodynamic behavior of the electron fluid. Our findings establish the nonlinear transport regime as a powerful probe for dissecting the complex interplay of correlated electron states and momentum relaxation in the hydrodynamic flow of an electron fluid.
format Preprint
id arxiv_https___arxiv_org_abs_2602_02129
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Viscous Electron Flow and Nonlinear Magnetotransport in 2D Channels
Levin, A. D.
Gusev, G. M.
Bakarov, A. K.
Mesoscale and Nanoscale Physics
We examine nonlinear transport in a viscous two-dimensional electron fluid within narrow GaAs channels. The differential magnetoresistance shows nonmonotonic behavior, a signature of electron pairing in the hydrodynamic regime. Theoretical models that account for both the influence of these interactions on shear stress relaxation and viscosity changes from electron heating show good agreement with the data. The nonlinear regime thus reveals how such correlated states govern the hydrodynamic behavior of the electron fluid. Our findings establish the nonlinear transport regime as a powerful probe for dissecting the complex interplay of correlated electron states and momentum relaxation in the hydrodynamic flow of an electron fluid.
title Viscous Electron Flow and Nonlinear Magnetotransport in 2D Channels
topic Mesoscale and Nanoscale Physics
url https://arxiv.org/abs/2602.02129