NIFS-806

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Author(s): H. Nakamura, N. Hatano and R. Shirasaki Title: Quantum Nernst Effect Date of publication: Jan. 2005 Key words: Nernst effect, Nernst coefficient, edge current, quantum Hall effect, thermoelectric power,thermomagnetic effect Abstract: It is theoretically predicted for the two-dimensional electron gas that the Nernst coefficient is strongly suppressed and the thermal conductance is quantized in the quantum Hall regime. The Nernst effect is the induction of a thermomagnetic electromotive force in the y direction under a temperature bias in the x direction and a magnetic field in the z direction. The quantum nature of the Nernst effect is analyzed with the use of edge currents and demonstrated numerically.

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