Conductivity Sum Rule in the Nearly Free Two- Dimensional Electron Gas in an Uniaxial Potential (CROSBI ID 318137)
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Rukelj, Zoran ; Radić, Danko
engleski
Conductivity Sum Rule in the Nearly Free Two- Dimensional Electron Gas in an Uniaxial Potential
We report an investigation of the conductivity sum rule in the two-dimensional system of free electrons in a weak uniaxial potential. The sum rule is defined through the integration of a real part of a multiband conductivity tensor and separates between the intraband and interband charge transport concentrations. It is shown how the relative direction of the electric field and the uniaxial potential defines the transport concentrations of the nearly free electron system and why the sum rule is obeyed.
multiband conductivity tensor ; sum rule ; Drude conductivity ; optical conductivity ; two dimensions ; nearly free electron gas ; uniaxial potential
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