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Exact Solution of a Yang-Baxter Spin-1/2 Chain Model and Quantum Entanglement | | Ming-Guang Hu
; Kang Xue
; Mo-Lin Ge
; | | Date: |
14 Jul 2008 | | Abstract: | 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 exactly a novel Yang-Baxter spin-1/2 chain
model with inhomogeneous and anisotropic short-range interactions. For the
ground state, we show the behavior of neighboring entanglement in the parameter
space. It is found that inhomogeneity of coupling strengths affects
entanglement in a distinctive way from homogeneous case, and can thus blur
entanglement in characterizing quantum criticality. | | Source: | arXiv, 0807.2087 | | Services: | Forum | Review | PDF | Favorites | |
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