High-Field Low-Frequency Spin Dynamics
A.M. Farutin, V.I. Marchenko
TL;DR
This paper extends the theory of exchange symmetry to high magnetic fields and derives low-frequency spin dynamics equations for quasi-goldstone modes in collinear and noncollinear antiferromagnets.
Contribution
It introduces a theoretical extension of exchange symmetry and derives new equations for spin dynamics in high-field regimes.
Findings
Derived low-frequency spin dynamics equations for quasi-goldstone modes.
Extended exchange symmetry theory to high magnetic fields.
Applicable to both collinear and noncollinear antiferromagnets.
Abstract
The theory of exchange symmetry of spin ordered states is extended to the case of high magnetic field. Low frequency spin dynamics equation for quasi-goldstone mode is derived for two cases of collinear and noncollinear antiferromagnets.
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