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\pdf_title "Feynman Diagrams"
\pdf_author "LyX Team, Uwe Stöhr, Ronen Abravanel"
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Diagrammes de Feynman
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status collapsed

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Traduction initiale Jean-Pierre Chrétien - février 2011
\end_layout

\end_inset


\end_layout

\begin_layout Standard
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 
\noun on
Feynman
\noun default
 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.
\end_layout

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Les éléments matriciels sont créés par des commandes agissant comme des 
\begin_inset Quotes cld
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particules
\begin_inset Quotes crd
\end_inset

 ou des 
\begin_inset Quotes cld
\end_inset

propagateurs
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\end_inset

,
 par exemple:
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fermion,
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fermion/photon,
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boucle fermions/photons
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\backslash
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spécification des moments particulaires
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Une étiquette de sommet
\emph on
 p
\emph default
 est ^ ou _ pour marquer au-dessus ou au-dessus du sommet
\end_layout

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</cell>
<cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
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\end_layout

\begin_layout Standard
Ce ne sont que quelques options du paquetage 
\series bold
feyn
\series default
,
 voir le manuel d'utilisation
\begin_inset CommandInset citation
LatexCommand cite
key "Feyn"
literal "true"

\end_inset

.
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\begin_layout Standard
\begin_inset Note Greyedout
status open

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\series bold
Nota:

\series default
 si vous avez un index dans votre document et si vous utiliser un des modules pour les théorèmes AMS,
 il vous faut ajouter l'option 
\series bold
noglobalbang
\series default
 dans le champ des options de classe des paramètres du document.
 Ceci autorise l'usage du caractère 
\begin_inset Quotes cld
\end_inset

!
\begin_inset Quotes crd
\end_inset

 dans les entrées d'index (nécessaire pour saisir des sous-entrées) mais peut créer des problèmes de conflit dans les environnements 
\family sans
align 
\family default
(décrits à la section 
\begin_inset Quotes cld
\end_inset

Les environnements align
\begin_inset Quotes crd
\end_inset

 du manuel Math de \SpecialChar LyX
's).
\end_layout

\end_inset


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\begin_layout Bibliography
\begin_inset CommandInset bibitem
LatexCommand bibitem
key "Feyn"
literal "true"

\end_inset


\begin_inset CommandInset href
LatexCommand href
name "Documentation"
target "https://mirrors.ctan.org/fonts/feyn/feyn.pdf"
literal "false"

\end_inset

 du paquetage \SpecialChar LaTeX
 
\series bold
feyn
\end_layout

\end_body
\end_document
