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Abstract : A functional integral approach to the dissolution of fully symmetric polyelectrolyte complexes is presented. The dissolution itself may be caused by adding of low molecular salt or by varying the temperature. The zero-component Landau-Ginzburg-Wilson Hamiltonian, which is used for describing the system under consideration, is transformed to a pair field representation exactly via functional integrals. The pair field has many features reminding of the gap-parameter in superconductivity. The transformed Hamiltonian allows the Helmholtz free energy and the specific heat in the critical region to be calculated. The specific heat shows a discontinuity at the critical point.

Keywords : critical phenomena dissolving free energy specific heat of liquids





Autor: P. Haronska

Fuente: https://hal.archives-ouvertes.fr/



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