Two-dimensional electron hydrodynamics in a random array of impenetrable obstacles: Magnetoresistivity, Hall viscosity, and the Landauer dipole

IV Gornyi, DG Polyakov - Physical Review B, 2023 - APS
We formulate a general framework to study the flow of the electron liquid in two dimensions
past a random array of impenetrable obstacles in the presence of a magnetic field. We …

Anomalously long lifetimes in two-dimensional Fermi liquids

J Hofmann, U Gran - Physical Review B, 2023 - APS
A precise characterization of the recently discovered crossover to hydrodynamic transport in
electron liquids, and in particular of a conjectured exotic odd-parity transport regime …

Long distance electron-electron scattering detected with point contacts

LV Ginzburg, Y Wu, MP Röösli, PR Gomez… - Physical Review …, 2023 - APS
We measure electron transport through point contacts in an electron gas in AlGaAs/GaAs
heterostructures and graphene for a range of temperatures, magnetic fields, and electron …

Accelerating analysis of Boltzmann equations using Gaussian mixture models: Application to quantum Bose-Fermi mixtures

PE Dolgirev, K Seetharam, M Kanász-Nagy… - Physical Review …, 2024 - APS
The Boltzmann equation is a powerful theoretical tool for modeling the collective dynamics
of quantum many-body systems subject to external perturbations. Analysis of the equation …

Two-dimensional electron gases as non-Newtonian fluids

S Kryhin, L Levitov - Low Temperature Physics, 2023 - pubs.aip.org
Two-dimensional electron systems offer an appealing platform to explore long-lived
excitations arising due to collinear carrier scattering enabled by phase-space constraints at …

-linear conductance in electron hydrodynamics

S Kryhin, Q Hong, L Levitov - arXiv preprint arXiv:2310.08556, 2023 - arxiv.org
A $ T $-linear temperature dependence of transport coefficients in metals is habitually
viewed as a signature of non-Fermi-liquid physics, whereas the the hallmark of Fermi-liquid …

Nonequilibrium relaxation and odd-even effect in finite-temperature electron gases

E Nilsson, U Gran, J Hofmann - arXiv preprint arXiv:2405.03635, 2024 - arxiv.org
Pauli blocking in Fermi liquids imposes strong phase-space constraints on quasiparticle
lifetimes, leading to a well-known quadratic-in-temperature decay rate of quasiparticle …

Two-dimensional electron hydrodynamics in an obstacle array: Magnetoresistivity, Hall viscosity, and the Landauer dipole

IV Gornyi, DG Polyakov - arXiv preprint arXiv:2308.06876, 2023 - arxiv.org
We formulate a general framework to study flow of the electron liquid in two dimensions past
a random array of impenetrable obstacles in the presence of a magnetic field. We derive a …

Transition between scattering regimes of 2D electron transport

P Heilmann, PV Pyshkin, B Trauzettel - arXiv preprint arXiv:2404.11353, 2024 - arxiv.org
We examine 2D electron transport through a long narrow channel driven by an external
electric field in presence of diffusive boundary scattering. At zero temperature, we derive an …

Nonlocal conductivity, continued fractions, and current vortices in electron fluids

KG Nazaryan, L Levitov - Physical Review B, 2024 - APS
Vortices in electron fluids are a key indicator of electron hydrodynamics. However, a
comprehensive framework linking macroscopic vorticity measurements with microscopic …