Spatially Anisotropic Heisenberg Kagome Antiferromagnet

Details Spatially Anisotropic Heisenberg Kagome Antiferromagnet Spatially Anisotropic Heisenberg Kagome Antiferromagnet

2008-07-02

arxiv.org/abs/0807.0285v2

Phys. Rev. B 78, 174420 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

17 pages, 3 figures, corrected sign error, corrected typos, updated references

Scientific paper

10.1103/PhysRevB.78.174420

We study the quasi-one-dimensional limit of the spin-1/2 quantum Heisenberg antiferromagnet on the kagome lattice. The lattice is divided into antiferromagnetic spin-chains (exchange J) that are weakly coupled via intermediate "dangling" spins (exchange J'). Using one-dimensional bosonization, renormalization group methods, and current algebra techniques the ground state is determined in the limit J'<

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