Entanglement and spontaneous symmetry breaking in quantum spin models -: art. no. 060301

被引：118

作者：

Syljuåsen, OF ^{[1
]}

机构：

[1] NORDITA, DK-2100 Copenhagen O, Denmark

来源：

PHYSICAL REVIEW A | 2003年 / 68卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.68.060301

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页数：4

共 22 条

[1] Natural thermal and magnetic entanglement in the 1D Heisenberg model [J].

Arnesen, MC ;

Bose, S ;

Vedral, V .

PHYSICAL REVIEW LETTERS, 2001, 87 (01)

[2]

Bennett CH, 1996, PHYS REV A, V54, P3824, DOI 10.1103/PhysRevA.54.3824

[3] Macroscopic entanglement jumps in model spin systems [J].

Bose, I ;

Chattopadhyay, E .

PHYSICAL REVIEW A, 2002, 66 (06) :6

[4]

GLASER U, QUANTPH0305108, P47901

[5] Thermal concurrence mixing in a one-dimensional Ising model [J].

Gunlycke, D ;

Kendon, VM ;

Vedral, V ;

Bose, S .

PHYSICAL REVIEW A, 2001, 64 (04) :423021-423027

[6] Entanglement of a pair of quantum bits [J].

Hill, S ;

Wootters, WK .

PHYSICAL REVIEW LETTERS, 1997, 78 (26) :5022-5025

[7]

LATORRE JI, QUANTPH0304098

[8] 2 SOLUBLE MODELS OF AN ANTIFERROMAGNETIC CHAIN [J].

LIEB, E ;

SCHULTZ, T ;

MATTIS, D .

ANNALS OF PHYSICS, 1961, 16 (03) :407-466

[9] Entangled rings [J].

O'Connor, KM ;

Wootters, WK .

PHYSICAL REVIEW A, 2001, 63 (05) :9

[10]

Osborne TJ, 2002, PHYS REV A, V66, DOI 10.1103/PhysRevA.66.032110

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