Spin-Wave Theory of the Spiral Phase of the t-J Model
N. I. Karchev, T. S. Hristov
Abstract
A graded H.P,realization of the SU(2|1) algebra is proposed.A spin-wave theory with a condition that the sublattice magnetization is zero is discussed.The long-range spiral phase is investigated.The spin-spin correlator is calculated.
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