Dynamics in the dimerised and high field incommensurate phase of CuGeO$_3$

Preprint

10 June 1996

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9606056

Abstract

Temperature ($2.3<T<40$\ K) and magnetic field ($0<B<17$\ T) dependent far infrared absorption spectroscopy on the spin-Peierls coumpound CuGeO$_3$\ has revealed several new absorption processes in both the dimerised and high field phase of CuGeO$_3$. These results are discussed in terms of the modulation of the CuGeO$_3$\ structure. At low fields this is the well known spin-Peierls dimerisation. At high fields the data strongly suggests a field dependent incommensurate modulation of the lattice as well as of the spin structure.

Keywords

ABSORPTION SPECTROSCOPY
FIELD INCOMMENSURATE
INCOMMENSURATE PHASE
DIMERISED AND HIGH
PHASE OF CUGEO
HIGH FIELD

All Related Versions

Version 1, 1996-06-10, ArXiv
Published version: Physical Review B, 54 (6), R3730.

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