Energy relaxation of an excited electron gas in quantum wires: many-body electron LO-phonon coupling

Дата и время публикации : 1996-02-08T21:26:37Z

Авторы публикации и институты :
Lian Zheng (Univ. of Maryland)
S. Das Sarma (Univ. of Maryland)

Ссылка на журнал-издание: Ссылка на журнал-издание не найдена
Коментарии к cтатье: 10 pages, RevTex, 4 figures included. Also available at http://www-cmg.physics.umd.edu/~lzheng/
Первичная категория: cond-mat

Все категории : cond-mat

Краткий обзор статьи: We theoretically study energy relaxation via LO-phonon emission in an excited one-dimensional electron gas confined in a GaAs quantum wire structure. We find that the inclusion of phonon renormalization effects in the theory extends the LO-phonon dominated loss regime down to substantially lower temperatures. We show that a simple plasmon-pole approximation works well for this problem, and discuss implications of our results for low temperature electron heating experiments in quantum wires.

Category: Physics