✦ LIBER ✦

Berry's phase and Aharonov-Anandan's phase

✍ Scribed by Zhaoyan Wu; Jingxia Wang

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 247 KB
Volume: 232
Category: Article
ISSN: 0378-4371
DOI: 10.1016/0378-4371(96)00092-1

No coin nor oath required. For personal study only.

✦ Synopsis

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 driving Hamiltonian. The reason is then given.

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