{ "cell_id": 1093201800894685878, "cells": [ { "cell_id": 9551562792113345335, "cell_origin": "client", "cell_type": "latex", "cells": [ { "cell_id": 10193244651179153720, "cell_origin": "client", "cell_type": "latex_view", "source": "This is work-in-progress." } ], "hidden": true, "source": "This is work-in-progress." }, { "cell_id": 13378244708702775521, "cell_origin": "client", "cell_type": "input", "source": "{i,j,k,l,m,n,q}::Indices(space).\n{i,j,k,l,m,n,q}::Integer(1..4).\n{a,b,c,d,e,f,g}::Indices(group).\n{a,b,c,d,e,f,g}::Integer(1..3).\n\\epsilon^{a b c}::EpsilonTensor.\n\\epsilon_{i j k l}::EpsilonTensor.\n\\delta_{i j}::KroneckerDelta." }, { "cell_id": 14244909242721652665, "cell_origin": "client", "cell_type": "input", "source": "def thooft_symbols():\n \\eta^{a}_{i j}::TableauSymmetry(shape={1,1}, indices={1,2}).\n rl := { \\eta^{a}_{i j} \\eta^{a}_{k l} -> \\delta_{i k} \\delta_{j l} - \\delta_{i l} \\delta_{k j} + \\epsilon_{i j k l}, \n \\epsilon^{a b c} \\eta^{b}_{i k} \\eta^{c}_{j l} -> -\\delta_{i j} \\eta^{a}_{k l} - \\delta_{k l} \\eta^{a}_{i j} \n + \\delta_{i l} \\eta^{a}_{k j} + \\delta_{k j} \\eta^{a}_{i l},\n \\eta^{a}_{i k} \\eta^{b}_{k j} -> -\\delta^{a b} \\delta_{i j} + \\epsilon^{a b c} \\eta^{c}_{i j}, \n \\epsilon_{i j l k} \\eta^{a}_{l m} -> - \\delta_{i m} \\eta^{a}_{j k} - \\delta_{j m} \\eta^{a}_{k i} - \\delta_{k m} \\eta^{a}_{i j},\n \\epsilon_{i j k l} \\eta^{a}_{k l} -> - 2 \\eta^{a}_{i j} \n }:\n return rl" }, { "cell_id": 12233334157585209624, "cell_origin": "client", "cell_type": "input", "cells": [ { "cell_id": 5794629913266740770, "cell_origin": "server", "cell_type": "latex_view", "cells": [ { "cell_id": 16176927491324925232, "cell_origin": "server", "cell_type": "input_form", "source": "\\eta^{a}_{i j} \\eta^{a}_{k l}" } ], "source": "\\begin{dmath*}{}\\eta^{a}\\,_{i j} \\eta^{a}\\,_{k l}\\end{dmath*}" }, { "cell_id": 8908317684532789837, "cell_origin": "server", "cell_type": "latex_view", "cells": [ { "cell_id": 5106167770278682541, "cell_origin": "server", "cell_type": "input_form", "source": "{\\eta^{a}_{i j} \\eta^{a}_{k l} -> \\delta_{i k} \\delta_{j l}-\\delta_{i l} \\delta_{k j} + \\epsilon_{i j k l}, \\epsilon^{a b c} \\eta^{b}_{i k} \\eta^{c}_{j l} -> -\\delta_{i j} \\eta^{a}_{k l}-\\delta_{k l} \\eta^{a}_{i j} + \\delta_{i l} \\eta^{a}_{k j} + \\delta_{k j} \\eta^{a}_{i l}, \\eta^{a}_{i k} \\eta^{b}_{k j} -> -\\delta^{a b} \\delta_{i j} + \\epsilon^{a b c} \\eta^{c}_{i j}, \\epsilon_{i j l k} \\eta^{a}_{l m} -> -\\delta_{i m} \\eta^{a}_{j k}-\\delta_{j m} \\eta^{a}_{k i}-\\delta_{k m} \\eta^{a}_{i j}, \\epsilon_{i j k l} \\eta^{a}_{k l} -> -2\\eta^{a}_{i j}}" } ], "source": "\\begin{dmath*}{}\\left[\\eta^{a}\\,_{i j} \\eta^{a}\\,_{k l} \\rightarrow \\delta_{i k} \\delta_{j l}-\\delta_{i l} \\delta_{k j}+\\epsilon_{i j k l},~\\discretionary{}{}{} \\epsilon^{a b c} \\eta^{b}\\,_{i k} \\eta^{c}\\,_{j l} \\rightarrow -\\delta_{i j} \\eta^{a}\\,_{k l}-\\delta_{k l} \\eta^{a}\\,_{i j}+\\delta_{i l} \\eta^{a}\\,_{k j}+\\delta_{k j} \\eta^{a}\\,_{i l},~\\discretionary{}{}{} \\eta^{a}\\,_{i k} \\eta^{b}\\,_{k j} \\rightarrow -\\delta^{a b} \\delta_{i j}+\\epsilon^{a b c} \\eta^{c}\\,_{i j},~\\discretionary{}{}{} \\epsilon_{i j l k} \\eta^{a}\\,_{l m} \\rightarrow -\\delta_{i m} \\eta^{a}\\,_{j k}-\\delta_{j m} \\eta^{a}\\,_{k i}-\\delta_{k m} \\eta^{a}\\,_{i j},~\\discretionary{}{}{} \\epsilon_{i j k l} \\eta^{a}\\,_{k l} \\rightarrow -2\\eta^{a}\\,_{i j}\\right]\\end{dmath*}" }, { "cell_id": 1907482009801816494, "cell_origin": "server", "cell_type": "latex_view", "cells": [ { "cell_id": 7793857489603711042, "cell_origin": "server", "cell_type": "input_form", "source": "\\delta_{i k} \\delta_{j l}-\\delta_{i l} \\delta_{k j} + \\epsilon_{i j k l}" } ], "source": "\\begin{dmath*}{}\\delta_{i k} \\delta_{j l}-\\delta_{i l} \\delta_{k j}+\\epsilon_{i j k l}\\end{dmath*}" } ], "ignore_on_import": true, "source": "ex:=\\eta^{a}_{i j} \\eta^{a}_{k l};\nsubstitute(ex, thooft_symbols());" }, { "cell_id": 18158312902258495406, "cell_origin": "client", "cell_type": "input", "source": "" } ], "description": "Cadabra JSON notebook format", "version": 1.0 }