Geometric phase in open systems
量子物理
2009-11-10 v1
摘要
We calculate the geometric phase associated to the evolution of a system subjected to decoherence through a quantum-jump approach. The method is general and can be applied to many different physical systems. As examples, two main source of decoherence are considered: dephasing and spontaneous decay. We show that the geometric phase is completely insensitive to the former, i.e. it is independent of the number of jumps determined by the dephasing operator.
引用
@article{arxiv.quant-ph/0301037,
title = {Geometric phase in open systems},
author = {A. Carollo and I. Fuentes-Guridi and M. Franca Santos and V. Vedral},
journal= {arXiv preprint arXiv:quant-ph/0301037},
year = {2009}
}
备注
4 pages, 2 figures, RevTeX