Article ID Journal Published Year Pages File Type
1861779 Physics Letters A 2009 6 Pages PDF
Abstract
We consider evolution of quantum eigenstates in the presence of level crossing under slow cyclic change of environmental parameters. We find that exotic holonomies, indicated by exchange of the eigenstates after a single cyclic evolution, can arise from non-Abelian gauge potentials among non-degenerate levels. We illustrate our arguments with solvable two and three level models.
Related Topics
Physical Sciences and Engineering Physics and Astronomy Physics and Astronomy (General)
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