211 lines
7.6 KiB
Plaintext
211 lines
7.6 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [],
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"source": [
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"using Revise; using QEDbase; using QEDprocesses; using MetagraphOptimization; using BenchmarkTools"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {},
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"outputs": [],
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"source": [
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"QEDParticleTypeIn = Union{Type{FermionStateful{Incoming}},Type{AntiFermionStateful{Incoming}},Type{PhotonStateful{Incoming}}};\n",
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"QEDParticleTypeOut = Union{Type{FermionStateful{Outgoing}}, Type{AntiFermionStateful{Outgoing}},Type{PhotonStateful{Outgoing}}};\n",
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"\n",
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"PhotonTypes = Type{PhotonStateful}\n",
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"FermionTypes = Union{Type{FermionStateful{Incoming}},Type{AntiFermionStateful{Outgoing}}};\n",
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"AntifermionTypes = Union{Type{FermionStateful{Outgoing}},Type{AntiFermionStateful{Incoming}}};\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"gen_diagram_helper (generic function with 4 methods)"
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]
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},
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"metadata": {},
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"output_type": "display_data"
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}
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],
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"source": [
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"function gen_diagram_helper(photons::Int, fermionsIn::Int, fermionsOut::Int, antifermionsIn::Int, antifermionsOut::Int, trace::String = \"\", fermionsN::Int = 1, photonsN::Int = 1)\n",
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" subtrace = \"ph\"\n",
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" if (fermionsIn == 1)\n",
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" subtrace *= \" + f(in)\"\n",
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" end\n",
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" if (antifermionsIn == 1)\n",
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" subtrace *= \" + af(in)\"\n",
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" end\n",
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" if (fermionsOut == 1)\n",
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" subtrace *= \" + f(out)\"\n",
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" end\n",
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" if (antifermionsOut == 1)\n",
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" subtrace *= \" + af(out)\"\n",
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" end\n",
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" if photons == 1 && (fermionsIn + antifermionsOut == 1) && (antifermionsIn + fermionsOut == 1)\n",
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" println(\"Average over $fermionsN fermion perturbations and sum over $photonsN photon perturbations for diagrams of form: $(trace)$(subtrace)\")\n",
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" return nothing\n",
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" end\n",
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" \n",
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" #println(\"trace: $trace photons: $(photons) fermions: $(fermionsIn) / $fermionsOut antifermions: $antifermionsIn / $antifermionsOut\")\n",
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"\n",
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" if (photons != 0)\n",
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" if (fermionsIn != 0)\n",
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" # photon + fermionin\n",
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" gen_diagram_helper(photons - 1, fermionsIn, fermionsOut, antifermionsIn, antifermionsOut, trace * \"ph + f(in) = f(in) -- \", fermionsN * fermionsIn, photonsN * photons)\n",
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" end\n",
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" if (fermionsOut != 0)\n",
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" # photon + fermionout\n",
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" gen_diagram_helper(photons - 1, fermionsIn + 1, fermionsOut, antifermionsIn, antifermionsOut, trace * \"ph + f(out) = f(out) -- \", fermionsN * fermionsOut, photonsN * photons)\n",
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" end\n",
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"\n",
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" if (antifermionsIn != 0)\n",
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" # photon + antifermionin\n",
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" gen_diagram_helper(photons - 1, fermionsIn, fermionsOut, antifermionsIn, antifermionsOut, trace * \"ph + af(in) = af(in) -- \", fermionsN * antifermionsIn, photonsN * photons)\n",
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" end\n",
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" if (antifermionsOut != 0)\n",
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" # photon + antifermionOut\n",
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" gen_diagram_helper(photons - 1, fermionsIn, fermionsOut, antifermionsIn, antifermionsOut, trace * \"ph + af(out) = af(out) -- \", fermionsN * antifermionsOut, photonsN * photons)\n",
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" end\n",
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"\n",
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" if fermionsIn + fermionsOut + antifermionsIn + antifermionsOut != 0\n",
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" return nothing\n",
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" end\n",
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" end\n",
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"\n",
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" if (fermionsIn != 0)\n",
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" if (fermionsOut != 0)\n",
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" # fermionIn + fermionOut\n",
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" gen_diagram_helper(photons + 1, fermionsIn - 1, fermionsOut - 1, antifermionsIn, antifermionsOut, trace * \"f(in) + f(out) = ph -- \", fermionsN * fermionsIn * fermionsOut, photonsN)\n",
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" return nothing\n",
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" end\n",
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" if (antifermionsIn != 0)\n",
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" #fermionIn + antfermionIn\n",
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" gen_diagram_helper(photons + 1, fermionsIn - 1, fermionsOut, antifermionsIn - 1, antifermionsOut, trace * \"f(in) + af(in) = ph -- \", fermionsN * fermionsIn * antifermionsIn, photonsN)\n",
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" return nothing\n",
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" end\n",
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" #fermionIn + antifermionOut is impossible\n",
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" end\n",
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"\n",
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" if (fermionsOut != 0)\n",
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" if (antifermionsOut != 0)\n",
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" #fermionOut + antifermionOut\n",
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" gen_diagram_helper(photons + 1, fermionsIn, fermionsOut - 1, antifermionsIn, antifermionsOut - 1, trace * \"f(out) + af(out) = ph -- \", fermionsN * fermionsOut * antifermionsOut, photonsN)\n",
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" return nothing\n",
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" end\n",
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" #fermionOut + antifermionIn is impossible\n",
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" end\n",
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"\n",
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" if (antifermionsIn != 0)\n",
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" if (antifermionsOut != 0)\n",
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" #antifermionIn + antifermionOut\n",
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" gen_diagram_helper(photons + 1, fermionsIn, fermionsOut, antifermionsIn - 1, antifermionsOut - 1, trace * \"af(in) + af(out) = ph -- \", fermionsN * antifermionsIn * antifermionsOut, photonsN)\n",
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" return nothing\n",
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" end\n",
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" end\n",
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"end"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Average over 1 fermion perturbations and sum over 2 photon perturbations for diagrams of form: ph + f(in) = f(in) -- ph + f(in) + f(out)\n"
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]
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}
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],
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"source": [
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"# Compton:\n",
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"gen_diagram_helper(2, 1, 1, 0, 0)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Average over 1 fermion perturbations and sum over 2 photon perturbations for diagrams of form: ph + f(in) = f(in) -- ph + f(in) + af(in)\n",
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"Average over 1 fermion perturbations and sum over 2 photon perturbations for diagrams of form: ph + af(in) = af(in) -- ph + f(in) + af(in)\n"
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]
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}
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],
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"source": [
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"# Pair annihilation\n",
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"gen_diagram_helper(2, 1, 0, 1, 0)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Average over 1 fermion perturbations and sum over 2 photon perturbations for diagrams of form: ph + af(out) = af(out) -- ph + f(out) + af(out)\n"
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]
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}
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],
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"source": [
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"# Pair production\n",
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"gen_diagram_helper(2, 0, 1, 0, 1)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Average over 2 fermion perturbations and sum over 1 photon perturbations for diagrams of form: ph + f(in) = f(in) -- f(in) + f(out) = ph -- ph + f(out) + af(out)\n",
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"Average over 2 fermion perturbations and sum over 1 photon perturbations for diagrams of form: ph + af(out) = af(out) -- f(in) + f(out) = ph -- ph + f(out) + af(out)\n"
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]
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}
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],
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"source": [
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"# Trident\n",
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"gen_diagram_helper(1, 1, 2, 0, 1)"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Julia 1.9.4",
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"language": "julia",
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"name": "julia-1.9"
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},
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"language_info": {
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"file_extension": ".jl",
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"mimetype": "application/julia",
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"name": "julia",
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"version": "1.9.4"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}
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