Non-commutative gauge gravity: second-order correction and scalar particle creation

Details Non-commutative gauge gravity: second-order correction and scalar particle creation Non-commutative gauge gravity: second-order correction and scalar particle creation

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010phys...81e5103z&link_type=abstract

Physica Scripta, Volume 81, Issue 5, pp. 055103 (2010).

Physics

Scientific paper

We construct a non-commutative gauge theory for a charged scalar field and verify its invariance under local Poincaré and general coordinate transformations. We derive a general Klein-Gordon equation up to the second order of the non-commutativity parameter using the general modified field equation. As an application, we choose the Bianchi I universe and use the Seiberg-Witten maps to obtain the deformed non-commutative metric and study a particle production process. We show that non-commutativity plays the same role as an electric field, gravity and chemical potential.

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