Luttinger theorem for a spin-density-wave state

Details Luttinger theorem for a spin-density-wave state Luttinger theorem for a spin-density-wave state

1997-03-12

arxiv.org/abs/cond-mat/9703120v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, RevTeX, 1 figure embedded in the text, ps-file is also available at http://lifshitz.physics.wisc.edu/www/morr/morr_ho

Scientific paper

10.1209/epl/i1998-00164-y

We obtained the analog of the Luttinger relation for a commensurate spin-density-wave state. We show that while the relation between the area of the occupied states and the density of particles gets modified in a simple and predictable way when the system becomes ordered, a perturbative consideration of the Luttinger theorem does not work due to the presence of an anomaly similar to the chiral anomaly in quantum electrodynamics.

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