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Singlet Stripe Phases in the planar $t$-$J$ Model | | Hirokazu Tsunetsugu
; Matthias Troyer
; T. M. Rice
; | | Date: |
5 Aug 1994 | | Subject: | cond-mat | | Abstract: | The energies of singlet stripe phases in which a plane is broken up into spin liquid ladders by lines of holes, is examined. If the holes were static then patterns containing spin liquids with a finite spin gap are favored. The case of dynamic holes is treated by assembling $t/$-$J$ ladders oriented perpendicular to the stripes. For a wide region around $J/t approx 1$ the hole-hole correlations in a single ladder are found to be predominantly charge density wave type but an attraction between hole pairs on adjacent ladders leads to a stripe phase. A quantum mechanical melting of the hole lines at smaller $J/t$ values leads to a Bose condensate of hole pairs, i.e. a superconducting phase. | | Source: | arXiv, cond-mat/9408024 | | Services: | Forum | Review | PDF | Favorites | |
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