Ground state of a simple spin-boson system: Exact results

被引：10
|
作者：
Lo, CF
Wong, WH
机构：
[1] Department of Physics, Chinese University of Hong Kong, Shatin, New Territories
来源：
CHEMICAL PHYSICS LETTERS | 1996年 / 256卷 / 1-2期
关键词：
D O I：
10.1016/0009-2614(96)00438-1
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The ground state of a two-level system coupled to a dispersionless phonon bath is studied. The exact ground-state solution to the problem is obtained via a combination of unitary transformations and numerical diagonalization. The impossibility of the discontinuous localization-delocalization transition of the tunneling particle is shown.
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页码：159 / 164
页数：6
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