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\pdf_title "Feynman Diagrams"
\pdf_author "LyX Team, Uwe Stöhr, Ronen Abravanel"
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\begin_layout Title
Diagrammes de Feynman
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Pour pouvoir utiliser les diagrammes de 
\noun on
Feynman
\noun default
, le paquetage
\noun on
 
\series bold
\noun default
feyn
\series default
 doit être installé.
 La création d'un diagramme de Feynman se fait en insérant la commande 
\series bold

\backslash
Diagram
\series default
 dans une formule.
 Ensuite on peut ajouter de nouvelles lignes et colonnes comme dans une
 matrice habituelle.
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Les éléments matriciels sont créés par des commandes agissant commes des
 
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particules
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 ou des 
\begin_inset Quotes fld
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propagateurs
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, par exemple:
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fermion, photon ou propagateur fantôme.
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fermion/photon, direvtions haut/bas/vertical
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A et V sont les modificateursproduisant les flèches gauche/haut ou droite/bas
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Une étiquette de sommet
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 p
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 est ^ ou _ pour marquer au-dessus ou au-dessus du sommet
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Ce ne sont que quelques options du paquetage 
\series bold
feyn
\series default
, voir le manuel d'utilisation
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LatexCommand cite
key "Feyn"

\end_inset

.
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key "Feyn"

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target "http://mirror.ctan.org/fonts/feyn/feyn.pdf"

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 du paquetage LaTeX 
\series bold
feyn
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