Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/52963
Title: Geometric phases for nondegenerate and degenerate mixed states
Authors: Singh, K. 
Tong, D.M. 
Basu, K.
Chen, J.L. 
Du, J.F. 
Issue Date: Mar-2003
Source: Singh, K.,Tong, D.M.,Basu, K.,Chen, J.L.,Du, J.F. (2003-03). Geometric phases for nondegenerate and degenerate mixed states. Physical Review A - Atomic, Molecular, and Optical Physics 67 (3) : 032106/1-032106/9. ScholarBank@NUS Repository.
Abstract: The issue of phase holonomy of both nondegenerate and degenerate mixed state undergoing unitary evolution was considered. Starting with the nondegenerate case, it was shown that the usual procedure of subtracting the dynamical phase from the total phase to yield the geometric phase, does not hold for mixed states. To this end, an expression for the geometric phase that was gauge invariant was furnished.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/52963
ISSN: 10502947
Appears in Collections:Staff Publications

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