Journal
EUROPHYSICS LETTERS
Volume 55, Issue 6, Pages 814-820Publisher
EDP SCIENCES S A
DOI: 10.1209/epl/i2001-00353-8
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A method is presented for numerically sampling functional integrals in field theory models of polymer solutions and melts. The approach effectively relaxes the mean-field approximation in self-consistent field theories of equilibrium polymer phases. Viewed from another perspective, the method provides an alternative to conventional particle-based simulations of coarse-grained models of polymers. We demonstrate the technique by applying it to examine fluctuation effects on the order-disorder transition in symmetric diblock copolymer melts. Extensions to more complex polymer blends, copolymers, and solutions are outlined.
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