Dynamical response functions for the scalar phi 4-lattice model near freezing temperature

V. L. Aksenov, E. I. Kornilov, J. Schreiber

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8 Citations (Scopus)


For the scalar phi 4-lattice model of structural phase transitions the freezing transition at a temperature Tc* above Tc is found in the framework of mode-coupling theory. To study the critical behaviour of this transition the frequency and temperature dependencies of the linear and quadratic dynamical susceptibility are investigated by using a self-consistent numerical solution of the mode-coupling equations. Two cases are considered: (i) a pure crystalline system with a B transition at T c*, and (ii) a system with randomly distributed defects with an A transition at Tc*. The experimental aspects of the presented results are discussed.

Original languageEnglish
Article number005
Pages (from-to)5067-5082
Number of pages16
JournalJournal of Physics: Condensed Matter
Issue number29
Publication statusPublished - Dec 1 1993

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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