All Questions
7 questions
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Good Mathematica package for computing Feynman graphs (resource request)?
I was wondering if anyone had any go-to Mathematica packages for computing higher-order Feynman graphs. Specifically ones that would allow me to construct higher spin fields like $h_{\mu\nu}$ and then ...
3
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0
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148
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2-particle irreducible (2PI) feynman diagrams
Let me preface this by saying that I'm not too code-savvy, which is probably why I need to ask this here. As a first step, I want to find a way to generate 2-particle irreducible (2PI) Feynman ...
0
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0
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117
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Wick's contractions
According to Wick's theorem, we have
$${\left\langle {T\left[ {\hat A\hat B\hat C\hat D} \right]} \right\rangle _0} = {\left\langle {T\left[ {\hat A\hat B} \right]} \right\rangle _0}{\left\langle {T\...
1
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0
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247
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Feynman Two-Loop Integrals
Is there any reference suitable for a beginner that you recommend for learning two-loop integrals evaluation by hand (and/or some package) that you know of?
0
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0
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27
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Software packages for calculating Feynman diagrams [duplicate]
I am trying to calculate the two and three-loop divergences in a certain quantum field theory. This is beyond the domain where I can do anything by hand, and I would appreciate any recommendations ...
5
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0
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139
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Textbooks on algorithms for the perturbative calculation of High energy physics
For the perturbative calculation of High energy physics, I have known some packages such as FeynArts, FeynCalc, MadGraph, CompHEP, GiNaC, and so on. But I am wondering whether there exists a textbook ...
32
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1
answer
11k
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Software for calculating Feynman Diagrams
Is there a software (open source preferred) where I would input something like "Ingoing: a fermion $(p1, s1)$ and a photon $(p2, s2)$. Output: A fermion $(k1, r1)$ and a photon $(k2, r2)$" and I would ...