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A technique to study collisionless dynamics of a homogeneous superconductingsystem is developed, which is based on Riccati parametrization of Wignerdistribution function. The quantum evolution of the superconductiung orderparameter, initially deviated from the equilibrium value, is calculated usingthis technique. The effect of a time-dependent BCS paring interaction on thedynamics of the order parameter is also studied.Comment: 14 pages, 5 figure

Wigner distribution function formalism for superconductors and collisionless dynamics of the superconducting order parameter