Presence of soft phonons in a model ferroelectric | Zendy

Freidkin E. S. | Zendy; Horton G. K. | Zendy; Cowley E. R. | Zendy

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Presence of soft phonons in a model ferroelectric

Author(s) -

Freidkin E. S.,

Horton G. K.,

Cowley E. R.

Publication year - 1996

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221950207

Subject(s) - soft modes , ferroelectricity , phonon , condensed matter physics , range (aeronautics) , materials science , phase transition , mode (computer interface) , phase (matter) , statistical physics , physics , computer science , optoelectronics , quantum mechanics , composite material , operating system , dielectric

We investigate the behaviour of a one‐dimensional ferroelectric crystal. The model includes both short‐range and long‐range interactions. We prove that the system undergoes a phase transition from an ordered to a disordered state and confirm the existence of a soft mode for this particular model.

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