期刊
PHYSICA B-CONDENSED MATTER
卷 358, 期 1-4, 页码 191-200出版社
ELSEVIER
DOI: 10.1016/j.physb.2005.01.172
关键词
quantum wired; polaron; binding energy
A variational calculation based on the Lee-Low-Pines-Huybrechts method is performed to obtain the polaronic binding energies corresponding to the ground state and the first excited state of an electron in a polar quantum wire with parabolic confinement in the transverse direction. It is shown that the polaronic effects are considerably large and size-dependent if the effective radius of the wire is reduced below a certain length scale. It is also shown that even the longitudinal effective mass of the polaron is strongly enhanced by the transverse confinement in a quantum wire. (c) 2005 Elsevier B.V. All rights reserved.
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