Abstract

We have measured time resolved photo conductivity in n-type Hg 0.8Cd 0.2Te above the magnetic quantum limit. In this dilute metal the low temperature magneto-transport is governed by a thermally activated mobility of the electrons, behaving like a viscous liquid of molecules or atoms. Photo conductivity proved to represent a valuable method to obtain information on electron correlation time, on the carrier density and on the recombination time of dondensed electrons.

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