Butscher S, Knorr A. Occurrence of intersubband polaronic repellons in a two-dimensional electron gas.
PHYSICAL REVIEW LETTERS 2006;
97:197401. [PMID:
17155657 DOI:
10.1103/physrevlett.97.197401]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2006] [Indexed: 05/12/2023]
Abstract
Counteracting electron-phonon and electron-electron interaction in the optical absorption spectra of a quantum well intersubband system can have a significant impact on the line shape and line width of optical transitions at low temperatures. In particular, polaronic repellons can be formed due to an attractive intersubband polaron-polaron interaction. At low temperatures and for properly chosen densities; this effect can lead to a line broadening of the intersubband transition, even in a weak coupling regime.
Collapse