Quantum melting of the long-range antiferromagnetic order and spin-wave condensation in t-J-V model
M. Yu. Kuchiev, O. P. Sushkov
Abstract
We consider two-dimensional t-J-V model. The wave function of the ground state is constructed. We demonstrate that the doping by holes results in condensation of the spin-waves, destruction of the long-range antiferromagnetic order and formation of the gap in the spin-wave spectrum.
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