A magnetic model for the incommensurate I phase of spin-Peierls systems

Preprint

22 April 1998

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9804242

Abstract

A magnetic model is proposed for describing the incommensurate I phase of spin-Peierls systems. Based on the harmonicity of the lattice distortion, its main ingredient is that the distortion of the lattice adjusts to the average magnetization such that the system is always gapful. The presence of dynamical incommensurabilities in the fluctuation spectra is also predicted. Recent experimental results for CuGeO_3 obtained by NMR, ESR and light scattering absorption are well understood within this model.

Keywords

INCOMMENSURATE I PHASE
SPIN PEIERLS SYSTEMS
LIGHT SCATTERING
MAGNETIC MODEL
PHASE OF SPIN
MODEL
ESR

All Related Versions

Version 1, 1998-04-22, ArXiv
Published version: Europhysics Letters, 41 (4), 431.

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