Why a local moment induces an antiferromagnetic ordering: An RVB picture

Details Why a local moment induces an antiferromagnetic ordering: An RVB picture Why a local moment induces an antiferromagnetic ordering: An RVB picture

2006-03-09

arxiv.org/abs/cond-mat/0603234v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 3 figures

Scientific paper

Based on a Gutzwiller projected BCS wavefunction, it is shown that a local
S=1/2 moment is present around a vacancy site (zinc impurity) in a form of
staggered magnetic moments, which is a direct consequence of the short-ranged
resonating-valence-bond (RVB) pairing in the spin background.

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