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Dresden 2006 – scientific programme

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TT: Tiefe Temperaturen

TT 7: Superconductivity & Solids At Low Temperature - Poster Session

TT 7.69: Poster

Monday, March 27, 2006, 14:00–17:45, P1

Quantum oscillations of thermoelectric force in quasi-two-dimensional conductors — •Danica Krstovska and Olga Galbova — Faculty of Natural Sciences, Department of Physics, P. O.Box 162, Skopje, Macedonia

The dependence of the thermoelectric force transverse to the layers in a layered conductor with a quasi-two-dimensional electron energy spectrum on the magnitude and orientation of the strong magnetic field in relation to the layers is theoretically analyzed. Giant quantum oscillation of the thermoelectric field versus 1/H, have been predicted, which will facilitates the experimental study of quantum oscillatory effects. It is shown that when the temperature gradient is directed along the normal n to the layers, the amplitude of the quantum oscillations substantially exceeds the smoothly varying part of the thermoelectric force transverse to the layers. This quantum oscillation effect can be used to a high degree of accuracy as a good spectroscopic method for experimental study of the characteristics of the Fermi surface of layered conductors.

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