Abstract
We present a theoretical analysis of thermoelectric effects in a system consisting of a single-level quantum dot attached to two ferromagnetic leads. Calculations have been performed in terms of the Green function formalism based on the equation of motion method and Hartree-Fock approximation. The calculated thermopower shows an oscillatory-like behavior with increasing gate voltage and also depends on relative alignment of the magnetic moments of both electrodes and on the leads' spin polarization. External magnetic field applied to the system leads to an additional structure due to spin splitting of the dot level. Thermal conductance is also calculated and correlated with the electrical one.
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