Calculation of 2d-thermomagnetic current and its fluctuations using the method of effective hamiltonian
The method of effective Hamiltonian (MEH) is proposed for the calculation of the nondissipative thermomagnetic current in samples of any dimension. This method includes the temperature in the Hamiltonian as opposed to the previous researches. The nondiagonal compo...
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| Formato: | article |
| Lenguaje: | EN |
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D.Ghitu Institute of Electronic Engineering and Nanotechnologies
2011
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/fac9240e9d924248a52fdfd9e9846170 |
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| Sumario: | The method of effective Hamiltonian (MEH) is proposed for the calculation of the
nondissipative thermomagnetic current in samples of any dimension. This method includes the
temperature in the Hamiltonian as opposed to the previous researches. The nondiagonal
component of the thermomagnetic tensor calculated by the MEH is in full accord with results
obtained previously. The calculations of the thermomagnetic current and its dispersion are
performed in the coherent-state representation for the 2D-sample and nondegenerate statistics.
The results obtained can be used, for example, to increase the sensitivity of temperature sensors.
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