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Exactly soluble model for structural phase transition with a Gaussian type anharmonicity

✍ Scribed by S. Stamenković; N.S. Tonchev; V.A. Zagrebnov

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
391 KB
Volume
145
Category
Article
ISSN
0378-4371

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✦ Synopsis

A new exactly solvable model for structural phase transition is proposed. The thermodynamic properties and the phase transition in this model are studied and compared with some previous results.

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On the interplay of classical and quantum fluctuations: an exactly solvable model for a structural phase transition
✍ E.S. Pisanova; N.S. Tonchev 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 761 KB

The critical behaviour of an exactly solvable model with developed classical and quantum fluctuations depending on the temperature, the quantum parameter and the space dimension, is studied. The critical exponents on the whole phase diagram, including two multicritical points (quantum and classical)