Conductivity scale in disordered systems

R. N. Bhatt, T. V. Ramakrishnan

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


A reanalysis of the correction to the Boltzmann conductivity due to maximally crossed graphs for degenerate bands explains why the conductivity scale in many-valley semiconductors is an order of magnitude higher than Mott's "minimum metallic conductivity." With the use of a reasonable assumption for the Boltzmann mean free path, the lowest-order perturbation theory is seen to give a remarkably good, semiquantitative, description of the conductivity variation in both uncompensated doped semiconductors and amorphous alloys.

Original languageEnglish (US)
Pages (from-to)6091-6094
Number of pages4
JournalPhysical Review B
Issue number10
StatePublished - 1983
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics


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