Long Range Dynamics Related to Magnetic Impurity in the 2D Heisenberg Antiferromagnet

O. P. Sushkov

doi:10.1103/PhysRevB.68.094426

Long Range Dynamics Related to Magnetic Impurity in the 2D Heisenberg Antiferromagnet

Strongly Correlated Electrons 2009-11-10 v1 Disordered Systems and Neural Networks

Authors: O. P. Sushkov

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Abstract

We consider a magnetic impurity in the two-dimensional Heisenberg antifferomagnet with long range antiferromagnetic order. At low temperature the impurity magnetic susceptibility has a Curie term ( $\propto 1/T$ ) and a logarithmic correction ( $\propto \ln(T)$ ). We calculate the correction and derive related Ward identity for the impurity-spin-wave vertex.

Keywords

magnetic impurity 2D Heisenberg antiferromagnet long-range dynamics Curie term Ward identity

Cite

@article{arxiv.cond-mat/0303016,
  title  = {Long Range Dynamics Related to Magnetic Impurity in the 2D Heisenberg Antiferromagnet},
  author = {O. P. Sushkov},
  journal= {arXiv preprint arXiv:cond-mat/0303016},
  year   = {2009}
}

Comments

5 pages, 6 figures

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