Multisubband nonequilibrium electron-electron scattering in semiconductor quantum wells

S. C. Lee, I. Galbraith

Research output: Contribution to journalArticle

Abstract

Through numerical integration of the Boltzmann equation, we calculate the time evolution of a nonequilibrium electron distribution in two subbands in a quantum well as it relaxes to equilibrium. Electron-electron scattering is mediated by the dynamically screened Coulomb potential, calculated using the random-phase approximation. A strong dependence of the relative importance of intrasubband and intersubband scattering is found depending on the nature of the initial nonequilibrium distribution.

Original languageEnglish
Pages (from-to)R16025-R16028
Number of pages4
JournalPhysical Review B: Condensed Matter and Materials Physics
Volume55
Issue number24
Publication statusPublished - 15 Jun 1997

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Coulomb potential
electron distribution
numerical integration
electron scattering
quantum wells
approximation
scattering
electrons

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abstract = "Through numerical integration of the Boltzmann equation, we calculate the time evolution of a nonequilibrium electron distribution in two subbands in a quantum well as it relaxes to equilibrium. Electron-electron scattering is mediated by the dynamically screened Coulomb potential, calculated using the random-phase approximation. A strong dependence of the relative importance of intrasubband and intersubband scattering is found depending on the nature of the initial nonequilibrium distribution.",
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Multisubband nonequilibrium electron-electron scattering in semiconductor quantum wells. / Lee, S. C.; Galbraith, I.

In: Physical Review B: Condensed Matter and Materials Physics, Vol. 55, No. 24, 15.06.1997, p. R16025-R16028.

Research output: Contribution to journalArticle

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AU - Galbraith, I.

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AB - Through numerical integration of the Boltzmann equation, we calculate the time evolution of a nonequilibrium electron distribution in two subbands in a quantum well as it relaxes to equilibrium. Electron-electron scattering is mediated by the dynamically screened Coulomb potential, calculated using the random-phase approximation. A strong dependence of the relative importance of intrasubband and intersubband scattering is found depending on the nature of the initial nonequilibrium distribution.

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