Quantum anharmonic crystal in functional integral approach

• Published in: Condensed Matter Physics
• Date: 2003
• Main Authors: Kondratiev, Yu., Kozitsky, Yu., Pasurek, T., Ockner, M.R.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 2003
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/120759
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Quantum anharmonic crystal in functional integral approach / Yu. Kondratiev , Yu. Kozitsky , T. Pasurek , M.R. Ockner // Condensed Matter Physics. — 2003. — Т. 6, № 4(36). — С. 647-674. — Бібліогр.: 42 назв. — англ.

A lattice model of interacting light quantum particles of mass m oscillating in a crystalline field is considered in the framework of an approach based on functional integrals. The main aspects of this approach are described on an introductory level. Then a mechanism of the stabilization of this...