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Citation: Vn. Kotov et al., Spontaneous dimer order, excitation spectrum and quantum-phase transitionsin the J(1)-J(2) Heisenberg model, PHIL MAG B, 80(8), 2000, pp. 1483-1498

Authors: Sushkov, O

Citation: O. Sushkov, Superconducting pairing, and the collective magnetic excitation in the extended 2-dimensional t-J model, STUD HIGH T, 27, 1999, pp. 201-212

Authors: Marinaro, D Sushkov, O

Citation: D. Marinaro et O. Sushkov, Superconductivity and the spin-triplet collective mode in the t-J model close to antiferromagnetic instability, PHYS REV B, 58(22), 1998, pp. 14934-14936