Abstract
A new saddle point state is proposed for the lightly doped t-J model in both one-dimensional (1D) and two-dimensional (2D) cases. It is shown that in 2D a long range antiferromagnetic (AF) order is recovered in the zero-doping limit, while in the same limit the well-known power law spin-spin correlation can also be obtained in 1D. At finite doping, interesting properties for both dimensions are exhibited in this new saddle point state, known as the flux binding state.
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Schedule a callMore From: Modern physics letters. B, Condensed matter physics, statistical physics, applied physics
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