FeynCalc Reference Guide: FeynCalc2FORM

FeynCalc2FORM

Description

FeynCalc2FORM[expr] displays expr in FORM syntax. FeynCalc2FORM[file, x] writes x in FORM syntax to a file. FeynCalc2FORM[file, x==y] writes x=y to a file in FORM syntax.

See also: FORM2FeynCalc.

Examples

Indices mu,nu,ro,si;

Vectors p,q;

write statistics;

Local L = (

4*(d_(mu,si)*d_(nu,ro)*q.p-d_(mu,ro)*d_(nu,si)*q.p+d_(mu,nu)*d_(ro,si)*q.p+

d_(ro,si)*p(nu)*q(mu)-d_(nu,si)*p(ro)*q(mu)+d_(nu,ro)*p(si)*q(mu)-

d_(ro,si)*p(mu)*q(nu)+d_(mu,si)*p(ro)*q(nu)-d_(mu,ro)*p(si)*q(nu)+

d_(nu,si)*p(mu)*q(ro)-d_(mu,si)*p(nu)*q(ro)+d_(mu,nu)*p(si)*q(ro)-

d_(nu,ro)*p(mu)*q(si)+d_(mu,ro)*p(nu)*q(si)-d_(mu,nu)*p(ro)*q(si)) );

Print;

.end

The FeynCalc Book

FeynAmpDenominatorSplit

FeynCalcExternal

Converted from the Mathematica notebook FeynCalc2FORM.nb