Exact Results for Spin and Charge Dynamics of Electrons with Supersymmetry

Details Exact Results for Spin and Charge Dynamics of Electrons with Supersymmetry Exact Results for Spin and Charge Dynamics of Electrons with Supersymmetry

1994-02-03

arxiv.org/abs/cond-mat/9402009v1

Physics

Condensed Matter

8 pages (LaTex)

Scientific paper

Excitation spectra in the SU($\nu +1$,1) supersymmetric t-J model with long-range exchange and transfer has quadratic dependence on spin and charge currents for all energies. After brief review on the supersymmetry, this paper gives a simple explanation for the spin-charge separation on the basis of a first-quantized representation. A useful identity is derived on permutation properties of SU($\nu$) Jastrow-type wave functions, which constitute the ground states for a class of 1/$r^2$ interaction models.

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