Crossover from Spin-Density-Wave to Neel-like Ground state

Details Crossover from Spin-Density-Wave to Neel-like Ground state Crossover from Spin-Density-Wave to Neel-like Ground state

1994-10-07

arxiv.org/abs/cond-mat/9410019v1

Physics

Condensed Matter

ferrer@jav.fmc.uam.es Pages: 18 (REVTEX 3.0). 6 postscript figures available upon request

Scientific paper

10.1103/PhysRevB.51.8310

The characterization and evolution of a Spin Density Wave into the Quantum Neel ground state is considered in the context of a weak coupling theory of the half-filled Hubbard model. Magnetic properties obtained from this weak coupling approach in one dimension compare favorably with exact results from Bethe ansatz (BA). A study of the evolution of several length scales from weak to strong coupling is also presented.

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