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Invariant Hermitian operator and geometric phase for the Heisenberg spin system in a time-dependent magnetic field

✍ Scribed by Fengli Yan; Linguang Yang; Bozang Li

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 54 KB
Volume: 259
Category: Article
ISSN: 0375-9601
DOI: 10.1016/s0375-9601(99)00423-5

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✦ Synopsis

An invariant Hermitian operator is constructed for the Heisenberg spin system in a time-dependent magnetic field. Using it we obtain the general solution of the Schrodinger equation for this system. By virtue of the general solution, the geometric phase of Pancharatnam type is worked out.

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