Dynamical Meaning of Quantum Adiabatic Phase: The Case of a Noncanonical System
- 10 March 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 56 (10) , 1003-1006
- https://doi.org/10.1103/physrevlett.56.1003
Abstract
A dynamical meaning is given for the phase recently found in a quantum adiabatic process. A noncanonical system, specifically a spin system coupled with a proper intrinsic system, is considered by use of a path integral in a SU (2) coherent-state representation. It is shown that appears as an addition of topological nature to the conventional action function, which leads to a novel form of the semiclassical quantization rule including the phase .
Keywords
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