Spin-Wave Theory of the Spiral Phase of the t-J Model
N.I.Karchev, T.S.Hristov
TL;DR
This paper develops a spin-wave theory for the spiral phase of the t-J model, focusing on the SU(2|1) algebra and calculating the spin-spin correlator to understand magnetic ordering.
Contribution
It introduces a graded H.P. realization of SU(2|1) algebra and analyzes the long-range spiral phase with a zero sublattice magnetization condition.
Findings
Long-range spiral phase characterized
Spin-spin correlator calculated
Provides insights into magnetic ordering in the t-J model
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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