Dyakonov-Perel spin relaxation near the metal-insulator transition and in hopping transport

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Abstract

In a heavily doped semiconductor with weak spin-orbital interaction the Dyakonov-Perel spin relaxation rate is known to be proportional to the Drude conductivity. We argue that in the case of weak spin-orbital interaction this proportionality goes beyond the Drude mechanism: At low temperatures it stays valid through the metal-insulator transition and in the range of exponentially small hopping conductivity.

Original languageEnglish (US)
Article number193201
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume73
Issue number19
DOIs
StatePublished - 2006

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