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|Title:||Non-Abelian geometric phases in a system of coupled quantum bits|
|Citation:||Mousolou, V.A., Sjöqvist, E. (2014-02-20). Non-Abelian geometric phases in a system of coupled quantum bits. Physical Review A - Atomic, Molecular, and Optical Physics 89 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.89.022117|
|Abstract:||A common strategy to measure the Abelian geometric phase for a qubit is to let it evolve along an orange-slice-shaped path connecting two antipodal points on the Bloch sphere by two different semi-great-circles. Since the dynamical phases vanish for such paths, this allows for direct measurement of the geometric phase. Here, we generalize the "orange-slice" setting to the non-Abelian case. The proposed method to measure the non-Abelian geometric phase can be implemented in a cyclic chain of four qubits with controllable interactions. © 2014 American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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