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quant-ph2008★ 13 cited
Exact Solution of a Yang-Baxter Spin-1/2 Chain Model and Quantum Entanglement
Ming-Guang Hu, Kang Xue, Mo-Lin Ge
Entanglement is believed to be crucial in macroscopic physical systems for understanding the collective quantum phenomena such as quantum phase transitions. We start from and solve…
quant-ph2008★ 52 cited
Berry phase and quantum criticality in Yang--Baxter systems
Jing-Ling Chen, Kang Xue, Mo-Lin Ge
Spin interaction Hamiltonians are obtained from the unitary Yang--Baxter -matrix. Based on which, we study Berry phase and quantum criticality in the Yang--Baxter system…