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VOLUME 27 (1978) | ISSUE 8 | PAGE 473
Canonical formalism for field theories with singular Lagrangian
A canonical formalism using the Routhian is proposed, in contrast to the traditional formalism in which the Hamilton function is used. The non-canonical coordinates are chosen to be the field components for which in the Hamilton theory the conjugate momenta are coupled. The Routh equations are obtained for the field as well as the analog of the Schrodinger equation for the state vector.