Joule-Thomson Cooling in Graphene

Abstract

Electrons in graphene exhibit hydrodynamic behavior in a certain range of temperatures. We indicate that electric current in this regime can result in cooling of electron fluid due to the Joule-Thomson effect. Cooling occurs in the Fermi liquid regime, while for the Dirac fluid the effect results in heating.

5 pages, 2 figures; v2: derivation of (22) expanded, more thorough discussion of the neutrality regime, refs added

References in corpus (2)

• Slow imbalance relaxation and thermoelectric transport in graphene
• Electronic hydrodynamics in graphene

Cited by in corpus (1)

• Hot carriers in graphene -- fundamentals and applications