Magnetic-field asymmetry of nonlinear thermoelectric and heat transport
arXiv:1306.6558 · doi:10.1088/1367-2630/15/10/105012
Abstract
Nonlinear transport coefficients do not obey, in general, reciprocity relations. We here discuss the magnetic-field asymmetries that arise in thermoelectric and heat transport of mesoscopic systems. Based on a scattering theory of weakly nonlinear transport, we analyze the leading-order symmetry parameters in terms of the screening potential response to either voltage or temperature shifts. We apply our general results to a quantum Hall antidot system. Interestingly, we find that certain symmetry parameters show a dependence on the measurement configuration.
17 pages, 3 figures
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