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Non-Abelian Berry phase in a quantum mechanical environment (1991)

Aldinger, R. R. ; Böhm, A. ; Loewe, M.

Springer

Foundations of physics 4 (1991), S. 217-234

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Details

ISSN: 1572-9524

Schlagwort(e): geometric phase ; gauge theory ; quantum theory

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract We investigate a quantum physical system that can be naturally separated into fast and slow moving components. A modification of the conventional molecular Born-Oppenheimer approximation is considered by taking the intermolecular position vector to be a slowlyvarying quantum mechanical parameter. It is found that the fast motion (electronic degrees of freedom) induces a non-Abelian vector potential (Berry connection) into the dynamics of the slow system (nucleus), thereby modifying the commutation relations of the slow variables.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00665754

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