Level crossings, adiabatic approximation, and beyond
- 19 August 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 67 (8), 965-967
- https://doi.org/10.1103/physrevlett.67.965
Abstract
We present an analysis of the phenomena occurring whenever a level crossing is encountered. Besides Landau-Zener transitions and the quantum nonintegrable phase, fractionalization of quantum numbers and chaotic behavior emerge as intrinsically intertwined phenomena.Keywords
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