Multiple band electron-phonon transport theory

Kragler, Robert

doi:10.1016/0378-4371(80)90133-8

Cited by 2 publications

(1 citation statement)

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“…Similar theories were made by Kragler [2] and by Agassi [3]. The treatment in El] unifies Bloch-Boltzmann theory of intraband response and oneelectron theory of interband response, and seems to describe correctly thermal shifts and broadening of optical absorptions, and indirect edges.…”

Section: Introductionmentioning

confidence: 70%

Relaxation of Interband Disturbances. A Phenomenological Theory

Allen

1982

Physica Status Solidi (b)

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A Phenomenological Theory P. B. ALLEN BYA recent phenomenological theory of Garik and Ashcroft (GA) is generalized t o permit interband electron-hole pairs to couple t o intraband pairs. The enlarged theory differs in important respects from GA theory and corresponds closely to the microscopic theory of Chakraborty and Allen. The theory is explicitly solved for u ( w ) , and the corrections t o Boltzmann dc transport are discussed. The new theory has an additional parameter, the phase of the interband-intraband coupling constant 7, which cannot be eliminated a priori.Eine kiirzlich entwickelte phenomenologische Theorie von Garik und Ashcroft (GA) wird verallgemeinert, um die Kopplung von Interband-Elektron-Loch-Paaren zu Intraband-Paaren zuzulassen. Die erweiterte Theorie unterscheidet sich in wichtigen Punkten von der GA-Theorie und i s t der mikroskopischen Theorie von Chakraborty und Allen eng verwandt. Die Theorie wird explizit fiir ~( w ) gelost, und die Korrekturen ziim Boltzmann-Gleichspnnnongs-Transport werden diskutiert. Die neue Theorie besitzt als zusgtzlichen Parameter die Phase der Interband-IntrabandKopplongsltonstante 7, welche a priori nicht eliminiert werden kann.

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Section: Introductionmentioning

confidence: 70%