On the correspondence between quantum and 
classical variational principles

Authors:   D. E. Ruiz and I. Y. Dodin

Abstract:   Classical variational principles can be deduced from quantum variational principles via formal reparameterization of the latter. It is shown that such reparameterization is possible without invoking any assumptions other than classicality and without appealing to dynamical equations. As examples, first principle variational formulations of classical point-particle and cold-fluid motion are derived from their quantum counterparts for Schrodinger, Pauli, and Klein-Gordon particles.
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Submitted to:  Physical Review A
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