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|Title:||Comment on "detecting non-Abelian geometric phases with three-level Λ systems"|
|Citation:||Ericsson, M., Sjöqvist, E. (2013-03-29). Comment on "detecting non-Abelian geometric phases with three-level Λ systems". Physical Review A - Atomic, Molecular, and Optical Physics 87 (3) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.87.036101|
|Abstract:||In their recent paper, Yan-Xiong Du claim to have found a non-Abelian adiabatic geometric phase associated with the energy eigenstates of a large-detuned three-level Λ system. They further propose a test to detect the noncommutative feature of this geometric phase. On the contrary, we show that the non-Abelian geometric phase picked up by the energy eigenstates of a Λ system is trivial in the adiabatic approximation, while, in the exact treatment of the time evolution, this phase is very small and cannot be separated from the non-Abelian dynamical phase acquired along the path in parameter space. © 2013 American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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