Local Spin Correlations in Heisenberg Antiferromagnets

Details Local Spin Correlations in Heisenberg Antiferromagnets Local Spin Correlations in Heisenberg Antiferromagnets

2000-07-14

arxiv.org/abs/cond-mat/0007237v1

Physical Review B 63, 064425(2001)

Physics

Condensed Matter

Strongly Correlated Electrons

4 figures, revtex

Scientific paper

10.1103/PhysRevB.63.064425

We use linked cluster series expansion methods to estimate the values of various short distance correlation functions in $S=1/2$ Heisenberg antiferromagnets at T=0, for dimension $d=1,2,3$. The method incorporates the possibility of spontaneous symmetry breaking, which is manifest in $d=2,3$. The results are important in providing a test for approximate theories of the antiferromagnetic ground state.

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