Nonequilibrium quantum criticality in open electronic systems

Details Nonequilibrium quantum criticality in open electronic systems Nonequilibrium quantum criticality in open electronic systems

2006-07-11

arxiv.org/abs/cond-mat/0607256v4

Phys. Rev. Lett., 97, 236808 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.97.236808

A theory is presented of quantum criticality in open (coupled to reservoirs) itinerant electron magnets, with nonequilibrium drive provided by current flow across the system. Both departures from equilibrium at conventional (equilibrium) quantum critical points and the physics of phase transitions induced by the nonequilibrium drive are treated. Nonequilibrium-induced phase transitions are found to have the same leading critical behavior as conventional thermal phase transitions.

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