Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-08-24
J.Phys.A34:8851-8858,2001
Physics
High Energy Physics
High Energy Physics - Theory
6 pages, Revtex (multicol)
Scientific paper
10.1088/0305-4470/34/42/309
Free noncommutative fields constitute a natural and interesting example of constrained theories with higher derivatives. The quantization methods involving constraints in the higher derivative formalism can be nicely applied to these systems. We study real and complex free noncommutative scalar fields where momenta have an infinite number of terms. We show that these expressions can be summed in a closed way and lead to a set of Dirac brackets which matches the usual corresponding brackets of the commutative case.
Amorim Ricardo
Barcelos-Neto J.
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