Spin-charge separation at small lengthscales in the 2D t-J model
Claudius Gros, Roser Valenti
Abstract
We consider projected wavefunctions for the 2D t-J model. For various wavefunctions, including correlated Fermi-liquid and Luttinger-type wavefunctions we present the static charge-charge and spin-spin structure factors. Comparison with recent results from a high-temperature expansion by Putikka et al. indicates spin-charge separation at small lengthscales.
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