TY - JOUR
T1 - Rigorous results on valence-bond ground states in antiferromagnets
AU - Affleck, Ian
AU - Kennedy, Tom
AU - Lieb, Elliott
AU - Tasaki, Hal
PY - 1987/1/1
Y1 - 1987/1/1
N2 - We present rigorous results on a phase in antiferromagnets in one dimension and more, which we call a valence-bond solid. The ground state is simply constructed out of valence bonds, is nondegenerate, and breaks no symmetries. There is an energy gap and an exponentially decaying correlation function. Physical applications are mentioned.
AB - We present rigorous results on a phase in antiferromagnets in one dimension and more, which we call a valence-bond solid. The ground state is simply constructed out of valence bonds, is nondegenerate, and breaks no symmetries. There is an energy gap and an exponentially decaying correlation function. Physical applications are mentioned.
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U2 - 10.1103/PhysRevLett.59.799
DO - 10.1103/PhysRevLett.59.799
M3 - Article
C2 - 10035874
AN - SCOPUS:26844535199
SN - 0031-9007
VL - 59
SP - 799
EP - 802
JO - Physical Review Letters
JF - Physical Review Letters
IS - 7
ER -