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PIERS Online
Vol. 3
No. 8
2007
pp: 1268-1272Effect of Motion of the Scatterers on Localization: Quasi Localization and Quasi Mobility EdgeEugene Kogan doi:10.2529/PIERS070316052948 Downloads: 844 Abstract:We study kinetics of electrons, scattered by heavy particles undergoing slow diffusive motion. In a three-dimensional space we claim the existence of the crossover region (on the energy axis), which separates the states with fast diffusion and the states with slow diffusion; the latter is determined by the dephasing time. In a two-dimensional space the diffusion coefficient for any value of energy is determined by the dephasing time. We discuss relevance of the results obtained for the propagation of light in a disordered medium.References:1. Mott, N. F., Adv. Phys., Vol. 16, 49, 1967. 2. Wolfle, P. and D. Vollhardt, Anderson Localization, edited by Y. Nagaoka and H. Fukuyama, Springer, Berlin, 1982. 3. Golubentsev, A. A., Zh. Eksp. Teor. Fiz., Vol. 86, 47, 1984. 4. Altshuller, B. L., A. G. Aronov, and D. E. Khmelnitskii J. Phys. C, Vol. 15, 7367, 1982. 5. Efetov, K., Supersymmetry in Disorder and Chaos, Cambridge University Press, Cambridge, 1997. 6. Kogan, E. M., M. Auslender, and M. Kaveh Eur. Phys. J., Vol. 9, 373, 1999. |
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