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1 #LyX 2.3 created this file. For more info see http://www.lyx.org/
2 \lyxformat 544
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9 % DO NOT ALTER THIS PREAMBLE!!!
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14 % have problems LaTeXing this file, please contact 
15 % the documentation team
16 % email: lyx-docs@lists.lyx.org
17
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59 \pdf_title "Feynman Diagrams"
60 \pdf_author "LyX Team, Uwe Stöhr, Ronen Abravanel"
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115 \begin_body
116
117 \begin_layout Title
118 Feynman Diagrams
119 \end_layout
120
121 \begin_layout Standard
122 \begin_inset Note Note
123 status open
124
125 \begin_layout Plain Layout
126 authors: Uwe Stöhr and Ronen Abravanel
127 \end_layout
128
129 \end_inset
130
131
132 \end_layout
133
134 \begin_layout Standard
135 To be able to create 
136 \noun on
137 Feynman
138 \noun default
139  diagrams, the \SpecialChar LaTeX
140 -package 
141 \series bold
142 feyn
143 \series default
144  must be installed.
145  A 
146 \noun on
147 Feynman
148 \noun default
149  diagram is created by inserting the command 
150 \series bold
151
152 \backslash
153 Diagram
154 \series default
155  in a formula.
156  Then you are able to add new matrix columns and rows like a normal matrices.
157  
158 \end_layout
159
160 \begin_layout Standard
161 As matrix entry, one can enter commands that act as 
162 \begin_inset Quotes eld
163 \end_inset
164
165 particles
166 \begin_inset Quotes erd
167 \end_inset
168
169  or 
170 \begin_inset Quotes eld
171 \end_inset
172
173 propagators
174 \begin_inset Quotes erd
175 \end_inset
176
177 , for example:
178 \end_layout
179
180 \begin_layout Standard
181 \align center
182 \begin_inset Tabular
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184 <features booktabs="true" tabularvalignment="middle">
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192
193 \begin_layout Plain Layout
194 Commands
195 \end_layout
196
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212 Example
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221 Result
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243 fermion, photon or ghost propagator
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304
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307 \end_inset
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323 \begin_layout Plain Layout
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326 fermion/photon, going up/down/vertical
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403
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411 \begin_layout Plain Layout
412 \begin_inset Formula $\Diagram{fd &  & gu\\
413  & fv
414 }
415 $
416 \end_inset
417
418
419 \end_layout
420
421 \end_inset
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435 \begin_inset Text
436
437 \begin_layout Plain Layout
438 \noindent
439 \align left
440 A and V are modifiers to produce arrow going left/up or right/down
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526 \begin_inset Formula $\Diagram{fdA &  & fuV\\
527  & gvV
528 }
529 $
530 \end_inset
531
532
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611 \begin_layout Plain Layout
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631
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642 }
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646
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658 \backslash
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668 \noindent
669 \align left
670 particle-momentum specification
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676 \begin_inset Text
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682
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695
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701 <row>
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714 \begin_inset Text
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716 \begin_layout Plain Layout
717 \noindent
718 \align left
719 the vertex label 
720 \emph on
721 p
722 \emph default
723  is either '^' or '_' for labeling above or below the vertex
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731 \begin_layout Plain Layout
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750 <row>
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780 $
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783
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790
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792
793
794 \end_layout
795
796 \begin_layout Standard
797 These are just some of the features of thepackage 
798 \series bold
799 feyn
800 \series default
801  whose user manual can be found in 
802 \begin_inset CommandInset citation
803 LatexCommand cite
804 key "Feyn"
805 literal "true"
806
807 \end_inset
808
809 .
810 \end_layout
811
812 \begin_layout Standard
813 \begin_inset Note Greyedout
814 status open
815
816 \begin_layout Plain Layout
817
818 \series bold
819 Note:
820 \series default
821  If you have an index list in your document and use one of the AMS theorem
822  modules, you have to add the option 
823 \series bold
824 noglobalbang
825 \series default
826  to the document class options in the document settings.
827  This enables the usage of the '!' character in index entries (necessary
828  for subentries) but might cause troubles with the align environments (which
829  are described in section 
830 \begin_inset Quotes eld
831 \end_inset
832
833 Align Environments
834 \begin_inset Quotes erd
835 \end_inset
836
837  of \SpecialChar LyX
838 's Math manual).
839 \end_layout
840
841 \end_inset
842
843
844 \end_layout
845
846 \begin_layout Bibliography
847 \begin_inset CommandInset bibitem
848 LatexCommand bibitem
849 key "Feyn"
850 literal "true"
851
852 \end_inset
853
854
855 \begin_inset CommandInset href
856 LatexCommand href
857 name "Documentation"
858 target "http://mirror.ctan.org/fonts/feyn/feyn.pdf"
859 literal "false"
860
861 \end_inset
862
863  of the \SpecialChar LaTeX
864  package 
865 \series bold
866 feyn
867 \end_layout
868
869 \end_body
870 \end_document