Phonon hydrodynamics in bulk insulators and semi-metals

Autor:	Machida, Yo, Martelli, Valentina, Jaoui, Alexandre, Fauqué, Benoît, Behnia, Kamran
Rok vydání:	2024
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics Condensed Matter - Materials Science Condensed Matter - Statistical Mechanics Condensed Matter - Strongly Correlated Electrons
Zdroj:	Low Temp. Phys. 50, 574 (2024)
Druh dokumentu:	Working Paper
DOI:	10.1063/10.0026323
Popis:	Decades ago, Gurzhi proposed that if momentum-conserving collisions prevail among heat-carrying phonons in insulators and charge-carrying electrons in metals, hydrodynamic features will become detectable. In this paper, we will review the experimental evidence emerging in the last few years supporting this viewpoint and raising new questions. The focus of the paper will be bulk crystals without (or with a very dilute concentration) of mobile electrons and steady-state thermal transport. We will also discuss the possible link between this field of investigation and other phenomena, such as the hybridization of phonon modes and the phonon thermal Hall effect. Comment: A contribution to the special issue of Fizika Nizkikh Temperatur commemorating Radii Gurzhi; 10 pages, 6 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2402.14870 Zobrazit plný text záznamu View this record from Arxiv