Local and Effective Temperatures of Quantum Driven Systems

Details Local and Effective Temperatures of Quantum Driven Systems Local and Effective Temperatures of Quantum Driven Systems

2009-07-09

arxiv.org/abs/0907.1515v1

Phys. Rev. B 81, 041301(R) (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevB.81.041301

We introduce thermometers to define the local temperature of an electronic system driven out-of-equilibrium by local AC fields. We also define the effective temperature in terms of a local fluctuation-dissipation-relation. We show that within the weak driving regime these two temperatures coincide. We also discuss the behavior of the local temperature along the sample. We show that it exhibits spatial fluctuations following an oscillatory pattern. For weak driving, regions of the sample become heated, while others become cooled as a consequence of the driving.

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