Static and Dynamic Spin Structure Factors of Frustrated Heisenberg Antiferromagnet

TL;DR

This paper employs modified spin-wave theory to compute static and dynamic spin structure factors in the spin-liquid state of the J1-J2 model, with implications for understanding excitations and potential applications to superconductors.

Contribution

It introduces a modified spin-wave approach to analyze spin structure factors in frustrated antiferromagnets, extending applicability to related models like the t-J model.

Findings

Calculated static and dynamic spin structure factors in the spin-liquid state.

Analyzed excitation spectra in the vector channel.

Technique applicable to models relevant for high-temperature superconductivity.

Abstract

Using the modified spin-wave theory we calculate static and dynamic spin structure factors in spin-liquid state of the J1-J2 model. The spectrum of excitations in the vector channel is discussed. The developed technique can also be applied to the t-J model describing copper oxide superconductors.