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Quantum geometry and quantization on U(u(2)) background. Noncommutative Dirac monopole

Abstract : In our previous publications we introduced differential calculus on the enveloping algebras U (gl(m)) similar to the usual calculus on the commutative algebra Sym(gl(m)). The main ingredients of our calculus are quantum partial derivatives which turn into the usual partial derivatives in the classical limit. In the particular case m = 2 we prolonged this calculus on a central extension A of the algebra U (gl(2)). In the present paper we consider the problem of a further extension of the quantum partial derivatives on the skew-field of the algebra A and define the corresponding de Rham complex. As an application of the differential calculus we suggest a method of transferring dynamical models defined on an extended Sym(u(2)) to an extended algebra U(u(2)). We call this procedure the quantization with noncommutative configuration space. In this sense we quantize the Dirac monopole and find a solution of this model.
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Submitted on : Tuesday, July 5, 2022 - 11:06:49 AM
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Dimitri Gurevich, Pavel Saponov. Quantum geometry and quantization on U(u(2)) background. Noncommutative Dirac monopole. Journal of Geometry and Physics, Elsevier, 2016, 106, pp.87-97. ⟨10.1016/j.geomphys.2016.03.007⟩. ⟨hal-03172942⟩

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