Comment on "Geometric phases for mixed states during cyclic evolutions"
量子物理
2009-11-10 v2
摘要
It is shown that a recently suggested concept of mixed state geometric phase in cyclic evolutions [2004 {\it J. Phys. A} {\bf 37} 3699] is gauge dependent.
引用
@article{arxiv.quant-ph/0404174,
title = {Comment on "Geometric phases for mixed states during cyclic evolutions"},
author = {Erik Sjöqvist},
journal= {arXiv preprint arXiv:quant-ph/0404174},
year = {2009}
}
备注
Comment to the paper L.-B. Fu and J.-L. Chen, J. Phys. A 37, 3699 (2004); small changes; journal reference added