Hole-hole superconducting pairing in the t-J model induced by spin-wave exchange

Details Hole-hole superconducting pairing in the t-J model induced by spin-wave exchange Hole-hole superconducting pairing in the t-J model induced by spin-wave exchange

1994-06-08

arxiv.org/abs/cond-mat/9406039v2

Phys. Rev. B 51, 6076 (1995).

Physics

Condensed Matter

replaced with a revised version to appear in PRB, 6 pages, REVTeX 3.0, figures not changed

Scientific paper

10.1103/PhysRevB.51.6076

We study numerically the hole pairing induced by spin-wave exchange. The contact hole-hole interaction is taken into account as well. It is assumed that antiferromagnetic order is preserved at all scales relevant to pairing. The strongest pairing is obtained for the d-wave symmetry of the gap. Dependence of the value of the gap on hole concentration and temperature is presented. For the critical temperature we obtain Tc about 100 K at the hole concentration delta = 0.2-0.3.

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