Entanglement and spontaneous symmetry breaking in quantum spin models
Journal Article
·
· Physical Review. A
- NORDITA, Blegdamsvej 17, DK-2100 Copenhagen Oe (Denmark)
It is shown that spontaneous symmetry breaking does not modify the ground-state entanglement of two spins, as defined by the concurrence, in the XXZ chain and the transverse field Ising chain. Correlation function inequalities, valid in any dimensions for these models, are presented outlining the regimes where entanglement is unaffected by spontaneous symmetry breaking.
- OSTI ID:
- 20640434
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 6 Vol. 68; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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