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- Title
Genuine multipartite entanglement as the indicator of quantum phase transition in spin systems.
- Authors
Shi, Jia-dong; Wang, Dong; Ye, Liu
- Abstract
In this paper, the genuine multipartite entanglement (GME) and quantum criticality property of spin systems with staggered Dzyaloshinskii-Moriya (DM) interaction are investigated by exploiting quantum renormalization group method. The results show that the GME can indicate quantum phase transitions at critical points after several iterations of the renormalization. Moreover, the DM interaction effectively restores the spoiled GME via creation of quantum fluctuations, while it also changes the critical points. At last, the nonanalytic and scaling behaviors of GME are analyzed in detail.
- Subjects
QUANTUM entanglement; QUANTUM phase transitions; RENORMALIZATION group; QUANTUM fluctuations; CRITICAL point (Thermodynamics)
- Publication
Quantum Information Processing, 2016, Vol 15, Issue 11, p4629
- ISSN
1570-0755
- Publication type
Article
- DOI
10.1007/s11128-016-1422-9