24 lines
598 B
Text
24 lines
598 B
Text
/-
|
|
Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
|
|
Released under Apache 2.0 license as described in the file LICENSE.
|
|
Authors: Joseph Tooby-Smith
|
|
-/
|
|
import HepLean.PerturbationTheory.FeynmanDiagrams.Basic
|
|
import HepLean.Meta.Informal.Basic
|
|
/-!
|
|
|
|
# Wick contraction in position space
|
|
|
|
Every complete Wick contraction leads to a function on positions, following
|
|
the Feynman rules.
|
|
|
|
## Further reading
|
|
|
|
The following reference provides a good resource for Wick contractions of external fields.
|
|
- http://www.dylanjtemples.com:82/solutions/QFT_Solution_I-6.pdf
|
|
|
|
-/
|
|
|
|
namespace Wick
|
|
|
|
end Wick
|