NDLI: Negativity, entanglement witness and quantum phase transition in spin-1 Heisenberg chains

Content Provider	Semantic Scholar
Author	Wang, Xiaoguang Gu, Shi-Jian
Copyright Year	2007
Abstract	We propose to use negativity and entanglement witnesses to study quantum phase transitions in the bilinear–biquadratic and anisotropic XXZ spin-1 models. We obtain an analytical expression of negativity in the XXZ model and an entanglement witness. The roles of the negativity and entanglement witnesses in the quantum phase transitions in these two models are studied numerically.
Starting Page	10759
Ending Page	10767
Page Count	9
File Format	PDF HTM / HTML
DOI	10.1088/1751-8113/40/35/003
Volume Number	40
Alternate Webpage(s)	http://zimp.zju.edu.cn/~xgwang/2007-xgwang-gu-a7_35_003.pdf
Alternate Webpage(s)	https://doi.org/10.1088/1751-8113%2F40%2F35%2F003
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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