Strong suppression of electron convection in Dirac and Weyl semimetals

Autor:	E. V. Gorbar, Pavlo O. Sukhachov, Igor A. Shovkovy
Rok vydání:	2021
Předmět:	Physics Convection Condensed Matter - Mesoscale and Nanoscale Physics Condensed matter physics Phonon Dirac (software) FOS: Physical sciences Electron Momentum Physics::Fluid Dynamics Convective instability Mesoscale and Nanoscale Physics (cond-mat.mes-hall) Coulomb Relaxation (physics)
DOI:	10.48550/arxiv.2103.15836
Popis:	It is shown that the convective instability in electron fluids in three- and two-dimensional (3D and 2D) Dirac and Weyl semimetals is strongly inhibited. The major obstacles for electron convection are the effects of the Coulomb forces and the momentum relaxation related to the interaction with impurities and phonons. The effect of the Coulomb forces is less pronounced in 2D materials, such as graphene. However, momentum relaxation still noticeably inhibits convection making it very difficult to achieve in practice. Comment: 8+11 pages, 1+4 figures; published version
Databáze:	OpenAIRE
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