Dynamical screening of hot carriers in semiconductors from a coupled molecular-dynamics and ensemble monte carlo simulation

P. Lugli, D. K. Ferry

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The dynamical screening of hot carriers in semiconductors is studied by inclusion of the electron-electron interaction directly via a molecular-dynamics approach within the more usual ensemble Monte Carlo technique. We find that the intercarrier interaction cannot be treated by a simple screened Coulomb interaction at very high electric fields, but is characterized by a complicated field- and density-dependent screening function. The details of intercarrier forces are illustrated by calculation of the pair correlation function for the nondegenerate carriers.

Original languageEnglish (US)
Pages (from-to)1295-1297
Number of pages3
JournalPhysical Review Letters
Issue number12
StatePublished - Jan 1 1986


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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