Dynamical screening of the electron-optical phonon interaction in two dimensions

C. H. Yang, Stephen Aplin Lyon

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

We have included dynamical screening in a calculation of the interaction of LO phonons with electrons in a quantum well. The average phonon emission rate is reduced by a factor of about 2 for an electron areal density of 5×1011/cm2 and temperature in the range of 50-100K. The 2-dimensional plasmon enhances the interaction over a small range of wavevectors, which increases the importance of hot phonon effects and should cause a further reduction in cooling rates.

Original languageEnglish (US)
Pages (from-to)309-313
Number of pages5
JournalPhysica B+C
Volume134
Issue number1-3
DOIs
StatePublished - Jan 1 1985

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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