{ "cells" : [ { "cell_origin" : "client", "cell_type" : "input", "source" : "{ a,b,c,d,e }::Indices(vector).\n\\bar{#}::DiracBar.\n\\partial{#}::PartialDerivative.\n{ A_{a}, f_{a b} }::Depends(\\partial).\n{ \\epsilon, \\gamma_{#} }::Depends(\\bar).\n\\lambda::Depends(\\bar, \\partial)." }, { "cell_origin" : "client", "cell_type" : "input", "source" : "{ \\lambda, \\gamma_{#} }::NonCommuting.\n{ \\lambda, \\epsilon }::Spinor(dimension=4, type=Majorana).\n{ \\epsilon, \\lambda }::SortOrder.\n{ \\epsilon, \\lambda }::AntiCommuting.\n\\lambda::SelfAntiCommuting.\n\\gamma_{#}::GammaMatrix(metric=\\delta).\n\\delta{#}::Accent.\nf_{a b}::AntiSymmetric.\n\\delta_{a b}::KroneckerDelta." }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{}(\\delta{A_{a}} = \\bar{\\epsilon} \\gamma_{a} \\lambda, \\delta{\\lambda} = - \\frac{1}{2}\\gamma_{a b} \\epsilon f_{a b})\\end{dmath*}" } ], "source" : "susy:= { \\delta{A_{a}} = \\bar{\\epsilon} \\gamma_{a} \\lambda,\n \\delta{\\lambda} = -(1/2) \\gamma_{a b} \\epsilon f_{a b} };" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{} - \\frac{1}{4}f_{a b} f_{a b} - \\frac{1}{2}\\bar{\\lambda} \\gamma_{a} \\partial_{a}(\\lambda)\\end{dmath*}" } ], "source" : "S:= -(1/4) f_{a b} f_{a b}- (1/2) \\bar{\\lambda} \\gamma_{a} \\partial_{a}{\\lambda};" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{}(f_{a b} \\rightarrow \\partial_{a}(\\delta{A_{b}})-\\partial_{b}(\\delta{A_{a}}), \\lambda \\rightarrow \\delta{\\lambda})\\end{dmath*}" } ], "source" : "rls:= f_{a b} -> \\partial_{a}{\\delta{A_{b}}}- \\partial_{b}{\\delta{A_{a}}},\n \\lambda -> \\delta{\\lambda} ;" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{} - \\frac{1}{4}\\left(\\partial_{a}(\\delta{A_{b}})-\\partial_{b}(\\delta{A_{a}})\\right) f_{a b} - \\frac{1}{4}f_{a b} \\left(\\partial_{a}(\\delta{A_{b}})-\\partial_{b}(\\delta{A_{a}})\\right) - \\frac{1}{2}\\bar{\\delta{\\lambda}} \\gamma_{a} \\partial_{a}(\\lambda) - \\frac{1}{2}\\bar{\\lambda} \\gamma_{a} \\partial_{a}(\\delta{\\lambda})\\end{dmath*}" } ], "source" : "vary(S,rls);" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{} - \\frac{1}{4}\\partial_{a}(\\delta{A_{b}}) f_{a b}+\\frac{1}{4}\\partial_{b}(\\delta{A_{a}}) f_{a b} - \\frac{1}{4}f_{a b} \\partial_{a}(\\delta{A_{b}})+\\frac{1}{4}f_{a b} \\partial_{b}(\\delta{A_{a}}) - \\frac{1}{2}\\bar{\\delta{\\lambda}} \\gamma_{a} \\partial_{a}(\\lambda) - \\frac{1}{2}\\bar{\\lambda} \\gamma_{a} \\partial_{a}(\\delta{\\lambda})\\end{dmath*}" } ], "source" : "distribute(_);" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{} - \\frac{1}{4}\\partial_{a}(\\bar{\\epsilon} \\gamma_{b} \\lambda) f_{a b}+\\frac{1}{4}\\partial_{b}(\\bar{\\epsilon} \\gamma_{a} \\lambda) f_{a b} - \\frac{1}{4}f_{a b} \\partial_{a}(\\bar{\\epsilon} \\gamma_{b} \\lambda)+\\frac{1}{4}f_{a b} \\partial_{b}(\\bar{\\epsilon} \\gamma_{a} \\lambda)+\\frac{1}{4}\\bar{\\gamma_{c b} \\epsilon f_{c b}} \\gamma_{a} \\partial_{a}(\\lambda)+\\frac{1}{4}\\bar{\\lambda} \\gamma_{a} \\partial_{a}(\\gamma_{c b} \\epsilon f_{c b})\\end{dmath*}" } ], "source" : "substitute(_, susy);" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{} - \\frac{1}{4}\\left(\\partial_{a}(\\bar{\\epsilon}) \\gamma_{b} \\lambda+\\bar{\\epsilon} \\partial_{a}(\\gamma_{b}) \\lambda+\\bar{\\epsilon} \\gamma_{b} \\partial_{a}(\\lambda)\\right) f_{a b}+\\frac{1}{4}\\left(\\partial_{b}(\\bar{\\epsilon}) \\gamma_{a} \\lambda+\\bar{\\epsilon} \\partial_{b}(\\gamma_{a}) \\lambda+\\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda)\\right) f_{a b} - \\frac{1}{4}f_{a b} \\left(\\partial_{a}(\\bar{\\epsilon}) \\gamma_{b} \\lambda+\\bar{\\epsilon} \\partial_{a}(\\gamma_{b}) \\lambda+\\bar{\\epsilon} \\gamma_{b} \\partial_{a}(\\lambda)\\right)+\\frac{1}{4}f_{a b} \\left(\\partial_{b}(\\bar{\\epsilon}) \\gamma_{a} \\lambda+\\bar{\\epsilon} \\partial_{b}(\\gamma_{a}) \\lambda+\\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda)\\right)+\\frac{1}{4}\\bar{\\gamma_{c b} \\epsilon f_{c b}} \\gamma_{a} \\partial_{a}(\\lambda)+\\frac{1}{4}\\bar{\\lambda} \\gamma_{a} \\left(\\partial_{a}(\\gamma_{c b}) \\epsilon f_{c b}+\\gamma_{c b} \\partial_{a}(\\epsilon) f_{c b}+\\gamma_{c b} \\epsilon \\partial_{a}(f_{c b})\\right)\\end{dmath*}" } ], "source" : "product_rule(_);" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{} - \\frac{1}{4}\\partial_{a}(\\bar{\\epsilon}) \\gamma_{b} \\lambda f_{a b} - \\frac{1}{4}\\bar{\\epsilon} \\partial_{a}(\\gamma_{b}) \\lambda f_{a b} - \\frac{1}{4}\\bar{\\epsilon} \\gamma_{b} \\partial_{a}(\\lambda) f_{a b}+\\frac{1}{4}\\partial_{b}(\\bar{\\epsilon}) \\gamma_{a} \\lambda f_{a b}+\\frac{1}{4}\\bar{\\epsilon} \\partial_{b}(\\gamma_{a}) \\lambda f_{a b}+\\frac{1}{4}\\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda) f_{a b} - \\frac{1}{4}f_{a b} \\partial_{a}(\\bar{\\epsilon}) \\gamma_{b} \\lambda - \\frac{1}{4}f_{a b} \\bar{\\epsilon} \\partial_{a}(\\gamma_{b}) \\lambda - \\frac{1}{4}f_{a b} \\bar{\\epsilon} \\gamma_{b} \\partial_{a}(\\lambda)+\\frac{1}{4}f_{a b} \\partial_{b}(\\bar{\\epsilon}) \\gamma_{a} \\lambda+\\frac{1}{4}f_{a b} \\bar{\\epsilon} \\partial_{b}(\\gamma_{a}) \\lambda+\\frac{1}{4}f_{a b} \\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda)+\\frac{1}{4}\\bar{\\gamma_{c b} \\epsilon f_{c b}} \\gamma_{a} \\partial_{a}(\\lambda)+\\frac{1}{4}\\bar{\\lambda} \\gamma_{a} \\partial_{a}(\\gamma_{c b}) \\epsilon f_{c b}+\\frac{1}{4}\\bar{\\lambda} \\gamma_{a} \\gamma_{c b} \\partial_{a}(\\epsilon) f_{c b}+\\frac{1}{4}\\bar{\\lambda} \\gamma_{a} \\gamma_{c b} \\epsilon \\partial_{a}(f_{c b})\\end{dmath*}" } ], "source" : "distribute(_);" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{} - \\frac{1}{4}\\bar{\\epsilon} \\gamma_{b} \\partial_{a}(\\lambda) f_{a b}+\\frac{1}{4}\\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda) f_{a b} - \\frac{1}{4}f_{a b} \\bar{\\epsilon} \\gamma_{b} \\partial_{a}(\\lambda)+\\frac{1}{4}f_{a b} \\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda)+\\frac{1}{4}f_{c b} \\bar{\\gamma_{c b} \\epsilon} \\gamma_{a} \\partial_{a}(\\lambda)+\\frac{1}{4}\\bar{\\lambda} \\gamma_{a} \\gamma_{c b} \\epsilon \\partial_{a}(f_{c b})\\end{dmath*}" } ], "source" : "unwrap(_);" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{} - \\frac{1}{4}\\bar{\\epsilon} \\gamma_{b} \\partial_{a}(\\lambda) f_{a b}+\\frac{1}{4}\\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda) f_{a b} - \\frac{1}{4}f_{a b} \\bar{\\epsilon} \\gamma_{b} \\partial_{a}(\\lambda)+\\frac{1}{4}f_{a b} \\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda) - \\frac{1}{4}f_{c b} \\bar{\\epsilon} \\gamma_{c b} \\gamma_{a} \\partial_{a}(\\lambda)+\\frac{1}{4}\\bar{\\lambda} \\gamma_{a} \\gamma_{c b} \\epsilon \\partial_{a}(f_{c b})\\end{dmath*}" } ], "source" : "expand_diracbar(_);" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{}\\frac{1}{2}\\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda) f_{a b}+\\frac{1}{2}f_{a b} \\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda) - \\frac{1}{4}f_{a b} \\bar{\\epsilon} \\gamma_{a b} \\gamma_{c} \\partial_{c}(\\lambda)+\\frac{1}{4}\\bar{\\lambda} \\gamma_{a} \\gamma_{b c} \\epsilon \\partial_{a}(f_{b c})\\end{dmath*}" } ], "source" : "canonicalise(_);" }, { "cell_origin" : "client", "cell_type" : "input", "cells" : [ { "cell_origin" : "server", "cell_type" : "latex_view", "source" : "\\begin{dmath*}{}\\bar{\\epsilon} \\gamma_{a} \\partial_{b}(\\lambda) f_{a b} - \\frac{1}{4}\\bar{\\epsilon} \\gamma_{a b} \\gamma_{c} \\partial_{c}(\\lambda) f_{a b}+\\frac{1}{4}\\bar{\\lambda} \\gamma_{a} \\gamma_{b c} \\epsilon \\partial_{a}(f_{b c})\\end{dmath*}" } ], "source" : "sort_product(_);" }, { "cell_origin" : "client", "cell_type" : "input", "source" : "" } ], "description" : "Cadabra JSON notebook format", "version" : 1.0 }