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Lecture Notes in Physics - Vol. 35
EFFECTIVE FIELD APPROACH TO PHASE TRANSITIONS AND SOME APPLICATIONS TO FERROELECTRICS
by Julio A Gonzalo (UAM, Spain)
The first half of the book presents the effective field approach, which is certainly the simplest approach to investigate cooperative phenomena and the accompanying phase transitions. It provides a common, intuitive approximation to the physics of such diverse phenomena as liquid-vapor transitions, ferromagnetism, superconductivity, order-disorder in alloys, ferroelectricity, superfluidity and ferroelasticity. The connection between the effective field approach and Landau's phenomenological theory is stressed. The latter half is devoted to some specific applications of the effective field concept to ferroelectric systems.
Contents:
- Mean Field Approach to Cooperative Phenomena:
- An
Overview
- Liquid-Vapour Transitions
- Ferromagnetic Transitions
- Superconductive Transitions
- Order-Disorder Transitions in Alloys
- Ferroelectric Transitions
- Superfluid Transitions
- Ferroelastic Transitions
- Landau Theory and Effective Field Approach. Role of Fluctuations
- Equation of State and the Scaling Function
- Appendix: Effective Field Approach to Superconductors and Superfluids
- Some Application to Ferroelectric Systems:
- Behaviour at T @ Tc of Pure Ferroelectric Systems with Second-Order Phase Transition
- Effects of Dipolar Impurities in Small Amounts
- Mixed Ferro-Antiferroelectric Systems and other Mixed Ferroelectric Systems
- Comments on "Ferroelectricity in Zinc Cadmium Telluride"
- Relaxation Phenomena near Tc
- Polarization Reversal in Ferroelectric Systems
- Polarization Switching by Domain Wall Motion
- Switching Current Pulse Shape
- Elementary Excitations in Ferroelectrics: Dipole Waves
- Low Temperature Behaviour of Ferroelectrics
- Logarithmic Corrections
Readership: Condensed matter physicists, statistical physicists and physical
chemists.
"...thorough introduction to the effective-field approach and to other theories of phase transitions and as a good reference tool for further reading and research in this area. The book is recommended for use by advanced students and active researchers interested in phase transitions."
| 236pp |
Pub. date: May 1991 |
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