First-order actions: A new view
Modern Physics Letters A. Singapore: World Scientific Publ Co Pte Ltd, v. 20, n. 37, p. 2873-2889, 2005.
Bertin, M. C.
Pimentel, B. M.
Pompeia, P. J.
We analyse systems described by first-order actions using the Hamilton-Jacobi (HJ) formalism for singular systems. In this study we verify that generalized brackets appear in a natural way in HJ approach, showing us the existence of a symplectic structure in the phase space of this formalism.