Please use this identifier to cite or link to this item: https://doi.org/10.1142/S0219749909005547
Title: Thermal entanglement in the two-qubit systems constructed from the Yang-Baxter Ř-matrix
Authors: Sun, C.
Hu, T.
Wang, G.
Wu, C. 
Xue, K.
Keywords: Hamiltonian
Thermal entanglement
Yang-Baxter equation
Issue Date: 2009
Source: Sun, C., Hu, T., Wang, G., Wu, C., Xue, K. (2009). Thermal entanglement in the two-qubit systems constructed from the Yang-Baxter Ř-matrix. International Journal of Quantum Information 7 (5) : 879-889. ScholarBank@NUS Repository. https://doi.org/10.1142/S0219749909005547
Abstract: Some new Hamiltonians are constructed via the unitary Yang-Baxter matrices Ři,i+1 (θ, φ) acting on a Hamiltonian H0 which describes nearest spin-spin interaction. By the concept of concurrence, we explore the thermal entanglement of these systems. We find that the interaction of z-component of two neighboring spins g has great influences on the thermal entanglement. It not only influences the critical temperature Tc, but can also influence the critical magnetic field Bc. © 2009 World Scientific Publishing Company.
Source Title: International Journal of Quantum Information
URI: http://scholarbank.nus.edu.sg/handle/10635/98356
ISSN: 02197499
DOI: 10.1142/S0219749909005547
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