A new method for calculation of traces of Dirac $γ$-matrices in Minkowski space

Details A new method for calculation of traces of Dirac $γ$-matrices in Minkowski space A new method for calculation of traces of Dirac $γ$-matrices in Minkowski space

2005-04-25

arxiv.org/abs/hep-ph/0504223v2

Nucl.Phys. B733 (2006) 48-58

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, LaTeX2E, version to appear in Nuclear Physics B

Scientific paper

10.1016/j.nuclphysb.2005.10.032

This paper presents some relations for orthonormal bases in the Minkowski space and isotropic tetrads constructed from the vectors of these bases. As an example of an application of the obtained formulae, in particular recursion relations, a new method is proposed to calculate traces of Dirac $\gamma$-matrices in the Minkowski space. Compared to the classical algorithms, the new method results in more compact expressions for the traces. Specifically, it may be easily implemented as a simple yet efficient computer algorithm.

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