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cond-mat.mtrl-sci2000
Collective modes in uniaxial incommensurate-commensurate systems with the real order parameter
V. Dananic, A. Bjelis, M. Latkovic
The basic Landau model for uniaxial systems of the II class is nonintegrable, and allows for various stable and metastable periodic configurations, beside that representing the uni…
cond-mat.mtrl-sci2000★ 1 cited
Landau Model for Commensurate-Commensurate Phase Transitions in Uniaxial Improper Ferroelectric Crystals
M. Latkovic, A. Bjelis, V. Dananic
We propose the Landau model for lock-in phase transitions in uniaxially modulated improper ferroelectric incommensurate-commensurate systems of class I. It includes Umklapp terms o…