Volume 36, Number 4, November I 1996
|Page(s)||283 - 288|
|Section||Condensed matter: structure, thermal and mechanical properties|
|Published online||01 September 2002|
Theory of random copolymers near the Lifshitz point
Department of Chemistry, CB#3290 Venable Hall, University of
North Carolina - Chapel Hill, NC 27599-3290, USA
2 Unité Mixte de Recherches 167 CNRS-ELF Atochem, B.P. 108, 95 rue Danton, 92303 Levallois-Perret, France
Accepted: 15 September 1996
We study the behavior of random A-B copolymers near the Lifshitz point. In the one-loop approximation the phase transition between homogeneous and ordered phases is a fluctuation-induced first-order phase transition. The period L of the domain structure appearing below the phase transition has unusual temperature dependence or , where τ is the reduced temperature distance from the Lifshitz point. The exponent ( or ) depends on the microscopic parameters of the system.
PACS: 64.60.-i – General studies of phase transitions / 36.20.-r – Macromolecules and polymer molecules
© EDP Sciences, 1996
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