Star products made (somewhat) easier

We develop an approach to the deformation quantization on the real plane with an arbitrary Poisson structure which is based on Weyl symmetrically ordered operator products. By using a polydifferential representation for the deformed coordinates, , we are able to formulate a simple and effective iter...

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Veröffentlicht in:The European physical journal. C, Particles and fields Particles and fields, 2008-12, Vol.58 (4), p.627-637
Hauptverfasser: Kupriyanov, V. G., Vassilevich, D. V.
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Vassilevich, D. V.
description We develop an approach to the deformation quantization on the real plane with an arbitrary Poisson structure which is based on Weyl symmetrically ordered operator products. By using a polydifferential representation for the deformed coordinates, , we are able to formulate a simple and effective iterative procedure which allowed us to calculate the fourth-order star product (and may be extended to the fifth order at the expense of tedious but otherwise straightforward calculations). Modulo some cohomology issues which we do not consider here, the method gives an explicit and physics-friendly description of the star products.
doi_str_mv 10.1140/epjc/s10052-008-0804-2
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subjects Astronomy
Astrophysics and Cosmology
Deformation
Elementary Particles
Exact sciences and technology
Hadrons
Heavy Ions
Homology
Mathematical analysis
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Regular Article - Theoretical Physics
String Theory
The physics of elementary particles and fields
title Star products made (somewhat) easier
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