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Derivative relation for thermopower in the quantum Hall regime | Steven H. Simon
; Nigel R. Cooper
; | Date: |
9 May 1997 | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | Affiliation: | MIT) and Nigel R. Cooper (Grenoble | Abstract: | Recently, Tieke et al (to be published in PRL) have observed the relation S_{yx} = alpha B dS_{xx}/dB for the components of the thermopower tensor in the quantum Hall regime, where alpha is a constant and B is the magnetic field. Simon and Halperin (PRL 73, 3278 (1994)) have suggested that an analogous relation observed for the resistivity tensor R_{xx} = alpha B dR_{xy}/dB can be explained with a model of classical transport in an inhomogeneous medium where the local Hall resistivity is a function of position and the local dissipative resistivity is a small constant. In the present paper, we show that this new thermopower relation can be explained with a similar model. | Source: | arXiv, cond-mat/9705079 | Services: | Forum | Review | PDF | Favorites |
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