A new approach to non-linear transport for an electron-impurity system in a static electric field
作者： X L Lei , C S Ting
DOI: 10.1088/0022-3719/18/1/015
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摘要: A new approximate approach to steady-state non-linear electronic transport in a static electric field is developed for the system composed of interacting electrons with randomly distributed impurities. Starting from separation centre-of-mass variables relative authors obtain density matrix describing motion first order impurity potential, but arbitrarily strong field. From this force-balance equation steady state derived, which can be expressed by density-density correlation function and thus easily calculated diagrammatically. The formulae obtained are applied calculation resistivity degenerate case Maxwell-Boltzmann case, showing simplicity effectiveness method.
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