Kinetic Antiferromagnetism in the Triangular Lattice

Details Kinetic Antiferromagnetism in the Triangular Lattice Kinetic Antiferromagnetism in the Triangular Lattice

2005-05-25

arxiv.org/abs/cond-mat/0505627v2

Phys. Rev. Lett. 95, 087202 (2005).

Physics

Condensed Matter

Strongly Correlated Electrons

10 pages, 2 figures, 5 supplementary figures; Figures fixed

Scientific paper

10.1103/PhysRevLett.95.087202

We show that the motion of a single hole in the infinite $U$ Hubbard model with frustrated hopping leads to weak metallic antiferromagnetism of kinetic origin. An intimate relationship is demonstrated between the simplest versions of this problem in 1 and 2 dimensions, and two of the most subtle many body problems, namely the Heisenberg Bethe ring in 1-d and the 2-dimensional triangular lattice Heisenberg antiferromagnet.

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