A quantum field theory of lattice dynamics at finite temperature
β Scribed by Toyoyuki Kitamura
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 628 KB
- Volume
- 128
- Category
- Article
- ISSN
- 0378-4371
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π SIMILAR VOLUMES
Dimensional reduction of finite temperature quantum field theories can be improved with the help of continous renormalisation group steps. The method is applied to the integration of the lowest nonstatic (n=\1) modes of the finite temperature 8 4 -theory. A second, physically important application i
In this paper we extend the classical method of lattice dynamics to defective crystals with partial symmetries. We start by a nominal defect configuration and first relax it statically. Having the static equilibrium configuration, we use a quasi-harmonic lattice dynamics approach to approximate the