期刊
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
卷 30, 期 1-2, 页码 64-68出版社
ELSEVIER
DOI: 10.1016/j.physe.2005.07.009
关键词
quantum strip; quantum wire; polaron; binding energy
The effect of electron-plionon interaction on the ground and excited state energies of an electron in a polar quantum strip is studied by using a variational method. It is shown that polaronic effects are quite significant and also size-dependent if the effective width of the strip is reduced below a certain value. It is also shown that the longitudinal polaron effective mass is substantially renormalized even by tile transverse confinement in a quantum strip. (c) 2005 Elsevier B.V. All rights reserved.
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