Thermal correction to resistivity in dilute 2D systems

Details Thermal correction to resistivity in dilute 2D systems Thermal correction to resistivity in dilute 2D systems

2002-11-24

arxiv.org/abs/cond-mat/0211535v1

Physica E 27, 151-162, 2005

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures, ICPS'26, D113, Edinburgh, UK

Scientific paper

10.1016/j.physe.2004.11.009

We calculate the resistivity of 2D electron (hole) gas, taking into account the degeneracy and the thermal correction due to the combined Peltier and Seebeck effects. The resistivity is found to be universal function of temperature, expressed in units of $\frac{h}{e^{2}} (k_{F}l)^{-1}$. The giant parallel magnetiresistivity found to result from the spin and, if exists, valley splitting of the energy spectrum. Our analysis of compressibility and thermopower points to thermodynamic nature of metal-insulator transition in 2D systems.

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