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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2005

The Gap Function Phi(k,w) for a Two-leg t-J Ladder and the Pairing Interaction

Résumé

The gap function phi(k,omega), determined from a Lanczos calculation for a doped 2-leg t-J ladder, is used to provide insight into the spatial and temporal structure of the pairing interaction. It implies that this interaction is a local near-neighbor coupling which is retarded. The onset frequency of the interaction is set by the energy of an S=1 magnon-hole-pair and it is spread out over a frequency region of order the bandwith.
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Dates et versions

hal-00003481 , version 1 (07-12-2004)

Identifiants

Citer

Didier Poilblanc, Douglas J. Scalapino. The Gap Function Phi(k,w) for a Two-leg t-J Ladder and the Pairing Interaction. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2005, 71 (17), pp.174403. ⟨10.1103/PhysRevB.71.174403⟩. ⟨hal-00003481⟩
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