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Anales (Asociación Física Argentina)
Print version ISSN 0327-358XOn-line version ISSN 1850-1168
Abstract
MANAVELLA, E. C.. Extended faddeev-jackiw canonical quantization for the 1+1)-dimensional nonrelativistic electrodynamics. An. AFA [online]. 2020, vol.31, n.4, pp.127-134. ISSN 0327-358X. http://dx.doi.org/10.31527/analesafa.2020.31.4.127.
Some time ago, we proposed an extension of the usual Faddeev-Jackiw formalism for constrained systems with Grassmann dynamic variables in the field theory context. In the present work, we apply this extended formalism to the (1+1)-dimensional nonrelativistic electrodynamics. By comparing the obtained results with those corresponding to the implementation of Dirac formalism on this model, we find the same constraints and generalized brackets. In this way, we can conclude that the extended Faddeev-Jackiw and the Dirac formalisms can be considered equivalent, at least for this model. On the contrary, in this case, we find that there is no equivalence between the usual Faddeev-Jackiw and the Dirac formalisms. On the other hand, we observe that the extended formalism is more economical than the Dirac one regarding the computation of both, constraints and generalized brackets.
Keywords : quantum field theory; Faddeev-Jackiw formalism; Grassmann variables.