Volume 33, Number 7, March I 1996
|Page(s)||497 - 502|
|Published online||01 September 2002|
Variational formulation of linear time-dependent invariants
Instituto de Ciencias Nucleares, UNAM,
Apdo. Postal 70-543, 04510 México, D. F., México
Accepted: 12 January 1996
It is shown that linear time-dependent invariants for arbitrary multidimensional quadratic systems can be obtained from the Lagrangian and Hamiltonian formulation procedures by considering a variation of coordinates and momenta that follows the classical trajectory and defines a Noetherian symmetry transformation.
PACS: 03.65.Ca – Quantum theory: Formalism / 03.65.-w – Quantum mechanics / 11.30.-j – Symmetry and conservation laws
© EDP Sciences, 1996
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