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Title: Non-Abelian off-diagonal geometric phases in nano-engineered four-qubit systems
Authors: Mousolou, V.A.
Canali, C.M.
Sjöqvist, E. 
Issue Date: Sep-2013
Citation: Mousolou, V.A., Canali, C.M., Sjöqvist, E. (2013-09). Non-Abelian off-diagonal geometric phases in nano-engineered four-qubit systems. EPL 103 (6) : -. ScholarBank@NUS Repository.
Abstract: The concept of off-diagonal geometric phase (GP) has been introduced in order to recover interference information about the geometry of quantal evolution where the standard GPs are not well defined. In this letter, we propose a physical setting for realizing non-Abelian off-diagonal GPs. The proposed non-Abelian off-diagonal GPs can be implemented in a cyclic chain of four qubits with controllable nearest-neighbor interactions. Our proposal seems to be within reach in various nano-engineered systems and therefore opens up for the first experimental test of the non-Abelian off-diagonal GP. © Copyright EPLA, 2013.
Source Title: EPL
ISSN: 02955075
DOI: 10.1209/0295-5075/103/60011
Appears in Collections:Staff Publications

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