Twisting all the way: from Classical Mechanics to Quantum Fields

Details Twisting all the way: from Classical Mechanics to Quantum Fields Twisting all the way: from Classical Mechanics to Quantum Fields

2007-08-22

arxiv.org/abs/0708.3002v2

Phys.Rev.D77:025037,2008

Physics

High Energy Physics

High Energy Physics - Theory

32 pages. Added references and details in the introduction and in Section 5

Scientific paper

10.1103/PhysRevD.77.025037

We discuss the effects that a noncommutative geometry induced by a Drinfeld twist has on physical theories. We systematically deform all products and symmetries of the theory. We discuss noncommutative classical mechanics, in particular its deformed Poisson bracket and hence time evolution and symmetries. The twisting is then extended to classical fields, and then to the main interest of this work: quantum fields. This leads to a geometric formulation of quantization on noncommutative spacetime, i.e. we establish a noncommutative correspondence principle from *-Poisson brackets to *-commutators. In particular commutation relations among creation and annihilation operators are deduced.

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