Environmentally induced corrections to the geometric phase in a two-level system

被引：19
|
作者：
Lombardo, Fernando C. [1 ]
Villar, Paula I. [1 ]
机构：
[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis Juan Jose Giambiagi, RA-1428 Buenos Aires, DF, Argentina
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2008年 / 6卷
关键词：
geometric phase; decoherence; open quantum systems;
D O I：
10.1142/S0219749908003992
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We calculate the geometric phase for different open systems (spin-boson and spin-spin models). We study not only how they are corrected by the presence of the different type of environments but also discuss the appearence of decoherence effects. These should be taken into account when planning experimental setups to study the geometric phase in the nonunitary regime. We propose a model with slow decoherence rate in which the geometric phase is still modified and might be measured.
引用
收藏
页码：707 / 713
页数：7
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