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Berry's phase, commutators, and the Dirac sea

✍ Scribed by Michael Stone; William E. Goff


Book ID
116147008
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
819 KB
Volume
295
Category
Article
ISSN
0550-3213

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Berry's phase and Aharonov-Anandan's pha
✍ Zhaoyan Wu; Jingxia Wang πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 247 KB

The Aharonov-Anandan geometric phase is generalized to non-unitary evolution, and is shown to be always real. By using a counter-example, which is exactly solvable, it is shown that Berry's geometric phase is not always the adiabatic limit of Aharonov-Anandan's geometric phase for a non-Hermitian dr