Dispersion of a single hole in the t-J model

Abstract

The dispersion of a single hole in the t-J model obtained by the exact result of 32 sites and the results obtained by self-consistent Born approximation and the Green function Monte Carlo method can be simply derived by a mean-field theory with d-RVB and antiferromagnetic order parameters. In addition, it offers a simple explanation for the difference observed between those results. The presence of the extended van Hove region at (pi,0) is a consequence of the d-RVB pairing independenct of the antiferromagnetic order. Results including t' and t" are also presented and explained consistently in a similar way.

LaTex file, 5 pages with 5 embedded eps figures

References in corpus (5)

• Antiferromagnetic and van Hove Scenarios for the Cuprates: Taking the Best of Both Worlds
• Photoemission spectra of $\mathrm{S}{\mathrm{r}}_2\mathrm{Cu}{\mathrm{O}}_2\mathrm{C}{\mathrm{l}}_2$: a theoretical analysis
• Dynamical properties of the single--hole $t$--$J$ model on a 32--site square lattice
• Quasiparticle energy dispersion in doped two dimensional quantum antiferromagnets
• t-J model Studied by the New Lanczos-Power Method

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