Electron self-energy and effective mass in a single heterostructure

Details Electron self-energy and effective mass in a single heterostructure Electron self-energy and effective mass in a single heterostructure

2002-05-21

arxiv.org/abs/cond-mat/0205426v1

Physics

Condensed Matter

Materials Science

10 pages, 2 figures

Scientific paper

10.1088/1009-1963/12/11/319

In this paper, we investigate the electron self-energy and effective mass in a single heterostructure using Green-function method. Numerical calculations of the electron self-energy and effective mass for GaAs/AlAs heterostructure are performed. The results show that the self energy (effective mass) of electron, which incorporate the energy of electron coupling to interface-optical phonons and half three-dimension LO phonons, monotonically increase(decrease) from that of interface polaron to that of 3D bulk polaron with the increase of the distance between the position of the electron and interface.

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