Combination Rules, Charge Symmetry, and Hall Effect in Cuprates

Details Combination Rules, Charge Symmetry, and Hall Effect in Cuprates Combination Rules, Charge Symmetry, and Hall Effect in Cuprates

1992-09-04

arxiv.org/abs/cond-mat/9209004v1

Physics

Condensed Matter

8 pages

Scientific paper

10.1103/PhysRevB.47.11607

The rule relating the observed Hall coefficient to the spin and charge responses of the uniform doped Mott insulator is derived. It is essential to include the contribution of holon and spinon three-current correlations to the effective action of the gauge field. In the vicinity of the Mott insulating point the Hall coefficient is holon dominated and weakly temperature dependent. In the vicinity of a point of charge conjugation symmetry the holon contribution to the observed Hall coefficient is small: the Hall coefficient follows the temperature dependence of the diamagnetic susceptibility with a sign determined by the Fermi surface shape. NOTE: document prepared using REVTEX. (3 Figs, not included, available on request from: ajs16@phx.cam.ac.uk)

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