Journal
PHYSICAL REVIEW LETTERS
Volume 84, Issue 17, Pages 3958-3961Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.3958
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We report staggered-vorticity correlations of current in the d-wave variational wave function for the lightly doped t-J model. Such correlations an explained from the SU(2) symmetry relating d-wave and staggered-flux mean-field phases. The correlation functions computed by the variational Monte Carlo method suggest that pairs are formed of holes circulating in opposite directions.
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