Rung-Rung Current Correlations on a 2-Leg t-J Ladder
D. J. Scalapino, S. R. White, I. Affleck
Abstract
We report the results of numerical calculations of rung-rung current correlations on a 2-leg t-J ladder with J/t=0.35 for dopings x=0.125 and x=0.19. We find that the amplitude of these correlations decays exponentially. We argue that this can be understood within a bosonization framework in terms of the pinned phase variables associated with a C1SO phase with dx2-y2-like power law pairing correlations.
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