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Title: Berry phase and entanglement of three qubits in a new Yang-Baxter system
Authors: Hu, T.
Xue, K.
Wu, C. 
Issue Date: 2009
Citation: Hu, T., Xue, K., Wu, C. (2009). Berry phase and entanglement of three qubits in a new Yang-Baxter system. Journal of Mathematical Physics 50 (8) : -. ScholarBank@NUS Repository.
Abstract: In this paper we construct a new 8×8 M matrix from the 4×4 M matrix, where M/M is the image of the braid group representation. The 8×8 M matrix and the 4×4 M matrix both satisfy extraspecial 2-group algebra relations. By Yang-Baxteration approach, we derive a unitary R (θ,) matrix from the M matrix with parameters and θ. Three-qubit entangled states can be generated by using the R (θ,) matrix. A Hamiltonian for three qubits is constructed from the unitary R (θ,) matrix. We then study the entanglement and Berry phase of the Yang-Baxter system. © 2009 The American Physical Society.
Source Title: Journal of Mathematical Physics
ISSN: 00222488
DOI: 10.1063/1.3177295
Appears in Collections:Staff Publications

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