Description

DiracTrick[exp] contracts gamma matrices with each other and performs several simplifications, but no expansion, use Calc or DiracSimplify for non-commutative expansion.

See also: Calc, DiracGammaExpand, DiracSimplify.

Examples

This is a string of Dirac matrices in four dimensions.

This is a string of Dirac matrices in D dimensions.

By default is moved to the right.

The FeynCalc Book

DiracTrace

DotSimplify