diff options
Diffstat (limited to 'Master/texmf-dist/source/latex/feyn')
| -rw-r--r-- | Master/texmf-dist/source/latex/feyn/LICENCE | 271 | ||||
| -rw-r--r-- | Master/texmf-dist/source/latex/feyn/VERSION | 1 | ||||
| -rw-r--r-- | Master/texmf-dist/source/latex/feyn/feyn.drv | 84 | ||||
| -rw-r--r-- | Master/texmf-dist/source/latex/feyn/feyn.dtx | 669 | ||||
| -rw-r--r-- | Master/texmf-dist/source/latex/feyn/feyn.ins | 14 |
5 files changed, 1039 insertions, 0 deletions
diff --git a/Master/texmf-dist/source/latex/feyn/LICENCE b/Master/texmf-dist/source/latex/feyn/LICENCE new file mode 100644 index 00000000000..9b1e1bb34db --- /dev/null +++ b/Master/texmf-dist/source/latex/feyn/LICENCE @@ -0,0 +1,271 @@ + +GNU GENERAL PUBLIC LICENSE + +Version 2, June 1991 + +Copyright (C) 1989, 1991 Free Software Foundation, Inc. +59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + +Everyone is permitted to copy and distribute verbatim copies +of this license document, but changing it is not allowed. + +Preamble + +The licenses for most software are designed to take away your freedom to +share and change it. By contrast, the GNU General Public License is intended +to guarantee your freedom to share and change free software--to make sure +the software is free for all its users. This General Public License applies +to most of the Free Software Foundation's software and to any other program +whose authors commit to using it. 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See the +%% GNU General Public License for more details. +%% +%% You should have received a copy of the GNU General Public License +%% along with this program; if not, write to the Free Software +%% Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +%% +%% Author: Norman Gray, norman@astro.gla.ac.uk. +%% Department of Physics and Astronomy, University of Glasgow, UK +%% +%% See the file LICENCE for a copy of the GPL. +%% You can also find an online copy at http://www.gnu.org/copyleft/gpl.html . +%% RCS Info $Id: feyn.dtx,v 1.11 2002/04/23 11:26:15 norman Exp $ +\def\ParseRCSDate$#1: #2 #3 ${\def\FEYN@Date{#2}} +\ParseRCSDate$Date: 2002/04/23 11:26:15 $ +\def\filename{feyn} +\def\fileversion{0.1} %%VERSION%% +\def\filedate{\FEYN@Date} +\def\docdate{\FEYN@Date} +\documentclass{ltxdoc} +\usepackage{feyn} +\title{The feyn font% + \thanks{This file has version number \fileversion, last revised + \filedate}} +\author{Norman Gray\\(\texttt{norman@astro.gla.ac.uk})} +\date{Version \fileversion, \filedate} +\newcommand\Lopt[1]{\textsf {#1}} +\newcommand\file[1]{\texttt {#1}} +\newcommand\Lcount[1]{\textsl {\small#1}} +\newcommand\pstyle[1]{\textsl {#1}} +%% \url macro (url.sty does this better) +\def\setpathdots{\discretionary{.}{}{.}} +\def\setpathslash{\discretionary{/}{}{/}} +{\catcode`\.=\active + \catcode`\/=\active + \gdef\pathcats{% + \catcode`\%=12 \catcode`\~=12 + \catcode`\.=\active \let.\setpathdots + \catcode`\/=\active \let/\setpathslash + \catcode`\#=12 \catcode`\_=12}% + } +\def\setpath#1{\ttfamily <\nobreak #1\nobreak>\endgroup} +\def\url{\begingroup\pathcats\setpath} +\parskip=\medskipamount +\parindent=0pt +\begin{document} +\maketitle +\DocInput{feyn.dtx} +\end{document} +%% \CharacterTable +%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z +%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z +%% Digits \0\1\2\3\4\5\6\7\8\9 +%% Exclamation \! Double quote \" Hash (number) \# +%% Dollar \$ Percent \% Ampersand \& +%% Acute accent \' Left paren \( Right paren \) +%% Asterisk \* Plus \+ Comma \, +%% Minus \- Point \. Solidus \/ +%% Colon \: Semicolon \; Less than \< +%% Equals \= Greater than \> Question mark \? +%% Commercial at \@ Left bracket \[ Backslash \\ +%% Right bracket \] Circumflex \^ Underscore \_ +%% Grave accent \` Left brace \{ Vertical bar \| +%% Right brace \} Tilde \~} +\endinput +%% +%% End of file `feyn.drv'. diff --git a/Master/texmf-dist/source/latex/feyn/feyn.dtx b/Master/texmf-dist/source/latex/feyn/feyn.dtx new file mode 100644 index 00000000000..e03087a58ed --- /dev/null +++ b/Master/texmf-dist/source/latex/feyn/feyn.dtx @@ -0,0 +1,669 @@ +% \iffalse +% This is feyn.dtx, which manages the use of the feyn Metafont +% +%% This software is copyright, 1991, 1994, 2001, Norman Gray. +%% +%% This program is free software; you can redistribute it and/or +%% modify it under the terms of the GNU General Public License +%% as published by the Free Software Foundation; either version 2 +%% of the License, or (at your option) any later version. +%% +%% This program is distributed in the hope that it will be useful, +%% but WITHOUT ANY WARRANTY; without even the implied warranty of +%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +%% GNU General Public License for more details. +%% +%% You should have received a copy of the GNU General Public License +%% along with this program; if not, write to the Free Software +%% Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +%% +%% Author: Norman Gray, norman@astro.gla.ac.uk. +%% Department of Physics and Astronomy, University of Glasgow, UK +%% +%% See the file LICENCE for a copy of the GPL. +%% You can also find an online copy at http://www.gnu.org/copyleft/gpl.html . +% +%<+package|driver>%% RCS Info $Id: feyn.dtx,v 1.11 2002/04/23 11:26:15 norman Exp $ +\def\ParseRCSDate$#1: #2 #3 ${\def\FEYN@Date{#2}} +\ParseRCSDate$Date: 2002/04/23 11:26:15 $ +\def\filename{feyn} +\def\fileversion{0.1} %%VERSION%% +\def\filedate{\FEYN@Date} +\def\docdate{\FEYN@Date} +%<+package>\NeedsTeXFormat{LaTeX2e} +%<+package>\ProvidesPackage{feyn}[\filedate\space\fileversion\space textpos] +%<+package>\typeout{Package: `feyn' \fileversion\space<\filedate>} +% +%<*driver> +\documentclass{ltxdoc} +\usepackage{feyn} +\title{The feyn font% + \thanks{This file has version number \fileversion, last revised + \filedate}} +\author{Norman Gray\\(\texttt{norman@astro.gla.ac.uk})} +\date{Version \fileversion, \filedate} +\newcommand\Lopt[1]{\textsf {#1}} +\newcommand\file[1]{\texttt {#1}} +\newcommand\Lcount[1]{\textsl {\small#1}} +\newcommand\pstyle[1]{\textsl {#1}} +%% \url macro (url.sty does this better) +\def\setpathdots{\discretionary{.}{}{.}} +\def\setpathslash{\discretionary{/}{}{/}} +{\catcode`\.=\active + \catcode`\/=\active + \gdef\pathcats{% + \catcode`\%=12 \catcode`\~=12 + \catcode`\.=\active \let.\setpathdots + \catcode`\/=\active \let/\setpathslash + \catcode`\#=12 \catcode`\_=12}% + } +\def\setpath#1{\ttfamily <\nobreak #1\nobreak>\endgroup} +\def\url{\begingroup\pathcats\setpath} +%\RecordChanges +%\OnlyDescription +\parskip=\medskipamount +\parindent=0pt +\begin{document} +\maketitle +\DocInput{feyn.dtx} +\end{document} +%</driver> +% +% \fi +% +% +% +% \CheckSum{175} +%% \CharacterTable +%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z +%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z +%% Digits \0\1\2\3\4\5\6\7\8\9 +%% Exclamation \! Double quote \" Hash (number) \# +%% Dollar \$ Percent \% Ampersand \& +%% Acute accent \' Left paren \( Right paren \) +%% Asterisk \* Plus \+ Comma \, +%% Minus \- Point \. Solidus \/ +%% Colon \: Semicolon \; Less than \< +%% Equals \= Greater than \> Question mark \? +%% Commercial at \@ Left bracket \[ Backslash \\ +%% Right bracket \] Circumflex \^ Underscore \_ +%% Grave accent \` Left brace \{ Vertical bar \| +%% Right brace \} Tilde \~} +% +% +% +% +% +% +% \newcommand{\pslash}{p\llap{/\kern-0.3pt}} +% \newcommand{\feynx}{\textsl{feyn}} +% \newcommand{\metafont}{Metafont} +% +% +% This describes the font \feynx, which can be used to produce relatively +% simple Feynman diagrams within equations in a \LaTeX\ document. +% +% The other Feynman diagram package which exists is Thorsten Ohl's +% \textsl{feynmf}/\textsl{feynmp} package. That +% works by creating \metafont\ or MetaPost figures using a preprocessor. +% It's more general than this package, but is at its best when +% creating relatively large diagrams, for figures. +% In contrast, the present system consists of a carefully-designed font +% with which you can write simple diagrams, within equations or within text, +% in a size matching the surrounding text size. +% +% \section{Status} +% +% The font, and this associated style file, should be regarded as +% beta software at present. The propagators and vertices which are +% implemented are those which \emph{I} needed. I'd be delighted to +% add more if folk feel they would be useful. +% +% \section{Description} +% +% \makeatletter +% \def\refptcirc{\lower\FEYN@maxis \hbox to 0pt{\hss$\circ$\hss}} +% \makeatother +% \begin{table} +% \def\tableskip{\noalign{\smallskip}} +% \halign{$\refptcirc\feyn{#}$% +% \hfil\quad & $#$\hfil\quad & # \hfil\qquad && # \cr +% \omit Character & \omit & Name & Width & Height & Depth \cr +% \noalign{\smallskip\hrule\smallskip} +% f & f & fermion$^*$ & 2 & 0 & 0 \cr \tableskip +% fs & fs & short fermion$^*$ & 1 & 0 & 0 \cr \tableskip +% fl & fl & fermion loop$^*$ & 4 & 2 & 2 \cr \tableskip +% fu & fu & upward fermion (45$^\circ$)& $\sqrt2$ & $\sqrt2$ & 0 \cr \tableskip +% fd & fd & downward fermion & $\sqrt2$ & $\sqrt2$ & 0 \cr \tableskip +% fv & fv & vertical fermion & 0 & 2 & 0 \cr \tableskip +% f0 & f0 & spacer$^*$ & 2 & 0 & 0 \cr \tableskip +% fs0 & fs0 & short spacer$^*$ & 1 & 0 & 0 \cr \tableskip +% g & g & gluon/photon$^*$ & 2 & 0 & 0 \cr \tableskip +% gl & gl & gluon loop$^*$ & 0 (4) & 2 & 0 \cr \tableskip +% glu & glu & gluon loop upsidedown$^*$ & 0 & 0 & 2 \cr \tableskip +% \smallbosonloop &\omit \verb-\smallbosonloop- & +% small gauge-boson loop & 0 & 1.4 & 0 \cr \tableskip +% \bigbosonloop &\omit \verb-\bigbosonloop- & +% big gauge-boson loop & 0 & 3 & 0 \cr \tableskip +% gu & gu & upward gluon (45$^\circ$) & $\sqrt2$ & $\sqrt2$ & 0 \cr \tableskip +% gd & gd & downward gluon & $\sqrt2$ & $\sqrt2$ & 0 \cr \tableskip +% gv & gv & vertical gluon & 0 & 2 & 0 \cr \tableskip +% gvs & gvs & short vertical gluon& 0 & (1) & 0 \cr \tableskip +% m & m & massive fermion$^*$ & 2 & 0 & 0 \cr \tableskip +% ms & ms & short massive fermion$^*$ & 1 & 0 & 0 \cr \tableskip +% h & h & ghost$^*$ & 2 & 0 & 0 \cr \tableskip +% hs & hs & short ghost$^*$ & 1 & 0 & 0 \cr \tableskip +% hu & hu & upward ghost (45$^\circ$) & $\sqrt2$ & $\sqrt2$ & 0 \cr \tableskip +% hd & hd & downward ghost & $\sqrt2$ & $\sqrt2$ & 0 \cr \tableskip +% x & x & counterterm vertex$^*$ & 0 & (2) & (2) \cr \tableskip +% p & p & proper vertex$^*$ & (3) & (3) & (3) \cr \tableskip +% c & c & complete vertex$^*$ & (3) & (3) & (3) \cr \tableskip +% a & a & arrow$^*$ & 0 & 0 & 0 \cr +% } +% \caption[The characters in font \feynx.]{\label{chars} +% The characters in font \feynx. A~$^*$ means that +% the character is also available in textstyle size. The~$\circ$ shows the +% reference point of each character. See the notes on page~\pageref{charnotes}} +% \end{table} +% The characters in the font are shown in table~\ref{chars}, and the macros +% defined in \file{feyn.sty} are described in table~\ref{macros}. +% +% \iffalse Notes to table~\ref{chars}:\label{charnotes}\fi +% \subsubsection*{Notes to table~\ref{chars}\label{charnotes}} +% \begin{itemize} +% \item[(1)] The short vertical gluon is slightly shorter than the +% ordinary +% \iffalse +% \tracingmacros=2 \tracingcommands=2 +% \showthe\fontdimen22\textfont\symfeynman +% \tracingmacros=0 \tracingcommands=0 +% \fi +% vertical gluon, and is for the diagram~\hbox{$fsfglgvsffs = +% \feyn{fsfglgvsffs}$}, in which the vertical gluon would not meet the loop +% properly if it were full size. +% \item[(2)] The counterterm vertex is the same height as the proper vertex, +% although the black part is smaller. +% \item[(3)] The proper vertex and the complete vertex are specified +% in terms of a `blob-radius' which is about half a module. They have +% a width of 2~radii, and a height and depth of 1~radius. +% \item[(4)] All the gluon loops have zero width, and are centred at +% the centre of the loop. +% \end{itemize} +% The unnassigned positions in the \feynx\ font are filled +% with an obviously wrong dummy character, so that |$\feyn{A}$|, for example, +% produces $\feyn{A}$. +% +% \begin{table} +% \begin{description} +% \item[\cs{feyn}] Selects the diagram font. This must be used +% within math mode. \cs{Feyn} selects the text-mode diagram font. +% \item[\cs{Diagram\{\}}] For building more complicated diagrams. It +% takes one argument, which is like the contents of an \texttt{\{array\}} +% environment---a series of formulae separated by \&'s and \verb-\\-. See +% below for an example. The result is a box on the math-axis. +% \item[\cs{maxis}] Raises a formula to the math-axis, which is +% occasionally useful within in-text equations: eg +% |$\Feyn{fglf} - \maxis{\Feyn{faf}}$| produces +% $\Feyn{fglf} - \maxis{\Feyn{faf}}$. +% \item[\cs{vertexlabel\{p\}\{text\}}] Allows you to label a vertex. If +% the first parameter~$p$ is~$\wedge$, the~\emph{text} is placed above the +% point at which the command is given, if it is~\texttt{\_}, it is +% placed below. For example, |$\feyn{fa\vertexlabel^{p}f}$| produces +% $\feyn{fa\vertexlabel^{p}f}$. +% \item[\cs{feynstrut\{h\}\{d\}}] For use within an (eqn)array environment, or +% the like. It modifies the control sequence \verb-\strut- to be a strut of +% height~$h$ and depth~$d$, which can therefore be used to space the array +% out. +% \item[\cs{annotate\{x\}\{y\}\{text\}}] Puts the \emph{text}, +% between dollars, +% in a zero width box at offset~$(x,y)$ modules from the position of the +% |\annotate| command (which is generally the first command(s) after +% entering math-mode). Because the \emph{text} is in math-mode, anything +% that is not maths should be in an |\mbox|. +% \end{description} +% \caption{\label{macros} The macros defined in \file{feyn.sty}} +% \end{table} +% +% The \feynx\ font is modular, in the sense that all the +% dimensions are in terms of a module of 10pt, and all sizes given +% below are in units of modules. As well as 10pt, the font has 11pt +% and 12pt versions, and the correct one is selected depending on the +% text size declared (or defaulted) in the |\documentclass| command.. +% +% You draw a diagram by going into math-mode (between \$\dots\$), and selecting +% the diagrams font by the font-changing command \verb-\feyn{}- +% (exactly as you might use \verb-\mathrm- in math-mode). With a couple of +% exceptions, all the characters are obtained by typing a single +% letter, or a couple of letters which form a ligature, so that the +% letter~$f$ in the diagrams font (\verb-$\feyn{f}$-) produces a +% fermion of length~2 (modules), and~$fs$ produces a short fermion of +% length~1. As usual in maths mode, space characters are ignored, so +% you can add whitespace as required to make the expressions more +% legible. Some of the more heavily used characters are available in +% both display size and text size, with the text-size version invoked +% by |\Feyn{...}|, so that |\feyn{fglf}| gives $\feyn{fglf}$ and +% |\Feyn{fglf}| gives $\Feyn{fglf}$. The displaystyle characters +% are all on the math-axis, the textstyle ones are on the text line. +% +% Here are some examples. +% +% \makeatletter +% \newdimen\halftextwidth +% \halftextwidth=\textwidth +% \divide\halftextwidth by 2 +% \advance\halftextwidth by \tabcolsep +% {\obeyspaces\gdef {\hskip0.5em}} +% {\@makeother\|% \gdef\startcodeexample{\begin{tabular}{p{\halftextwidth}|c}}} +% \newenvironment{codeexample}{% +% \vskip\medskipamount +% \def\domyspecials{\do\\\do\{\do\}\do\~\do\&\do\#\do\^\do\_\do\~} +% \def\verbblock{\bgroup \let\do\@makeother\domyspecials +% \def\par{\hfil\break}\obeylines\obeyspaces\@verbblock} +% \def\@verbblock##1!{\ttfamily ##1\egroup} +% \startcodeexample +% }{% +% \crcr +% \end{tabular} +% \vskip\medskipamount +% } +% \makeatother +% +% \begin{codeexample} +% \verbblock\feyn{\vertexlabel^a f a +% \vertexlabel^p f\vertexlabel^b} +% = \displaystyle +% {i\delta^{ab} \over \pslash- m_0}! +% & +% \begin{minipage}[t]{\halftextwidth} +% $\feyn{\vertexlabel^a f a +% \vertexlabel^p f\vertexlabel^b} +% = \displaystyle +% {i\delta^{ab} \over \pslash- m_0}$ +% \\ +% \end{minipage} +% \end{codeexample} +% This is a simple one. +% +% \begin{codeexample} +% \verbblock\Diagram{\vertexlabel^a \\ +% fd \\ +% & g\vertexlabel_{\mu,c} \\ +% \vertexlabel_b fu\\ +% } +% = \displaystyle +% ig\gamma_\mu (T^c)_{ab}! +% & +% \begin{minipage}[t]{\halftextwidth} +% $\Diagram{\vertexlabel^a \\ +% fd \\ +% & g\vertexlabel_{\mu,c} \\ +% \vertexlabel_b fu\\ +% } +% = \displaystyle +% ig\gamma_\mu (T^c)_{ab}$ +% \end{minipage} +% \end{codeexample} +% The |\Diagram| command lays out its arguments as an array. +% +% Now a few more diagrams: +% \begin{codeexample} +% \verbblock\feyn{fs f gl f glu f fs}! +% & +% $\feyn{fs f gl f glu f fs}$ +% \end{codeexample} +% This is a ``short-fermion fermion gluon-loop fermion +% gluon-loop-upsidedown fermion short-fermion''. +% +% We can also have diagrams in the text, like~$\Feyn{fsfglffs}$, and we can +% annotate the diagrams +% \begin{codeexample} +% \verbblock\annotate{2}{-0.5}{\mbox{counterterm}} +% \annotate{1.3}{0.5}{l} +% \feyn{msmglgvs msxf}! +% & +% \begin{minipage}[t]{\halftextwidth} +% $\annotate{2}{-0.5}{\mbox{counterterm}} +% \annotate{1.3}{0.5}{l} +% \feyn{msmglgvs msxf}$ +% \end{minipage} +% \end{codeexample} +% This is a ``short-massive massive gluon-loop short-gluon-vertical +% short-massive counterterm fermion''. +% +% The expression for the heavy-fermion self-energy in the \textsc{ope} is +% \begin{codeexample} +% \verbblock\def\bracket#1{% +% \langle #1 \rangle} +% \begin{eqnarray*} +% -i\Sigma_{\rm ope} &=& +% \left[\feyn{faf + fsfglffs +% + \cdots} \right] 1 \\ +% && \quad{}+ +% \left[ \feyn{ fxfs0glfs0xf +% + \cdots} \right] +% \bracket{\overline\psi M \psi} \\ +% && \quad{}+ \left[ +% \Diagram{ &x &x \\ +% &gv &gv \\ +% fs &fs &fs \\} + \cdots +% \right] +% \bracket{G_{\mu\nu}^a G_{\mu\nu}^a}\\ +% \end{eqnarray*}! +% & +% \begin{minipage}[t]{\halftextwidth} +% \def\bracket#1{\langle #1 \rangle} +% \begin{eqnarray*} +% -i\Sigma_{\rm ope} &=& +% \left[\feyn{faf + fsfglffs + \cdots} \right] 1 \\ +% && \quad{}+ \left[ \feyn{ fxfs0glfs0xf + \cdots} \right] +% \bracket{\overline\psi M \psi} \\ +% && \quad{}+ \left[ +% \Diagram{ &x &x \\ +% &gv &gv \\ +% fs &fs &fs \\} + \cdots +% \right]\bracket{G_{\mu\nu}^a G_{\mu\nu}^a}\\ +% \end{eqnarray*} +% \end{minipage} +% \end{codeexample} +% +% The Feynman Rules are as follows: +% \begin{verbatim} +% \def\arraystretch{3} \arraycolsep=0.2cm +% \begin{array}{rcl} +% % quark propagator +% \feyn{\vertexlabel^a f a\vertexlabel^p f\vertexlabel^b} +% &=& \displaystyle +% {i\delta^{ab} \over \pslash- m_0} \\ +% % quark-gluon vertex +% \Diagram{\vertexlabel^a \\ fd \\ & g\vertexlabel_{\mu,c} \\ \vertexlabel_b fu\\} +% &=& \displaystyle +% ig\gamma_\mu (t^c)_{ab} \\ +% % gluon propagator +% \feyn{\vertexlabel^{\mu, a}g a\vertexlabel^k g \vertexlabel^{\nu, b}} +% &=& \displaystyle +% {-i\over k^2} \left[g_{\mu\nu} + (a_0 - 1) {k_\mu k_\nu \over k^2}\right] +% \delta^{ab} \\ +% % 3-gluon vertex +% \arrow{0.7}{0.7}{7}\arrow{0.7}{-0.7}{1}\arrow{2.41}{0}{4} +% \annotate{0.9}{0.8}{p}\annotate{0.9}{-0.9}{q} +% \Diagram{\vertexlabel^{\alpha, a}\\ +% gd \\ +% &gd \\ +% &&g\vertexlabel^{r}g \vertexlabel^{\gamma,c} \\ +% &gu \\ +% gu \\ +% \vertexlabel_{\beta,b}} +% &=& \displaystyle +% -g f^{abc} ( +% g_{\beta\gamma} (q-r)_\alpha + +% g_{\gamma\alpha} (r-p)_\beta + +% g_{\alpha\beta} (p-q)_\gamma +% ) \\ +% % ghost propagator +% \feyn{\vertexlabel^a h a\vertexlabel_p h\vertexlabel^b} +% &=& \displaystyle +% {i \over p^2} \delta_{ab} \\ +% % ghost-gluon vertex +% \Diagram{\vertexlabel^b \\ hd \\ & g\vertexlabel^{\mu,a} \\ +% \vertexlabel_c hu\\} +% &=& \displaystyle +% -g f^{abc}p_\mu +% \quad\raise 1ex\hbox{\hsize = 0pt\vtop{ +% \hbox to \hsize{where $p$ is the momentum of\hss} +% \hbox to \hsize{the outgoing positive energy ghost\hss} +% }} +% \end{array} +% \end{verbatim} +% \dots giving +% \begin{equation} +% \def\arraystretch{3} \arraycolsep=0.2cm +% \begin{array}{rcl} +% \feyn{\vertexlabel^a f a\vertexlabel^p f\vertexlabel^b} +% &=& \displaystyle +% {i\delta^{ab} \over \pslash- m_0} \\ +% \Diagram{\vertexlabel^a \\ fd \\ & g\vertexlabel_{\mu,c} \\ \vertexlabel_b fu\\} +% &=& \displaystyle +% ig\gamma_\mu (t^c)_{ab} \\ +% \feyn{\vertexlabel^{\mu, a}g a\vertexlabel^k g \vertexlabel^{\nu, b}} +% &=& \displaystyle +% {-i\over k^2} \left[g_{\mu\nu} + (a_0 - 1) {k_\mu k_\nu \over k^2}\right] +% \delta^{ab} \\ +% \arrow{0.7}{0.7}{7}\arrow{0.7}{-0.7}{1}\arrow{2.41}{0}{4} +% \annotate{0.9}{0.8}{p}\annotate{0.9}{-0.9}{q} +% \Diagram{\vertexlabel^{\alpha, a}\\ +% gd \\ +% &gd \\ +% &&g\vertexlabel^{r}g \vertexlabel^{\gamma,c} \\ +% &gu \\ +% gu \\ +% \vertexlabel_{\beta,b}} +% &=& \displaystyle +% -g f^{abc} ( +% g_{\beta\gamma} (q-r)_\alpha + +% g_{\gamma\alpha} (r-p)_\beta + +% g_{\alpha\beta} (p-q)_\gamma +% ) \\ +% \feyn{\vertexlabel^a h a\vertexlabel_p h\vertexlabel^b} +% &=& \displaystyle +% {i \over p^2} \delta_{ab} \\ +% \Diagram{\vertexlabel^b \\ hd \\ & g\vertexlabel^{\mu,a} \\ +% \vertexlabel_c hu\\} +% &=& \displaystyle +% -g f^{abc}p_\mu +% \quad\raise 1ex\hbox{\hsize = 0pt\vtop{ +% \hbox to \hsize{where $p$ is the momentum of\hss} +% \hbox to \hsize{the outgoing positive energy ghost\hss} +% }} +% \end{array} +% \end{equation} +% +% The diagrams can also appear as parts of equations: +% \begin{eqnarray} +% \feyn{fcf} &=& \feyn{faf + fpf + fpfpf + \cdots} \\ +% &=& \sum_{n=0}^\infty \feyn{fsafs ( pfsafs)}^n \\ +% &=& \feyn{\frac{fsafs}{1-(pfsafs)}}. +% \end{eqnarray} +% +% \section{Installation} +% +% If you have not done so already, you need to extract the package +% file from the distribution file using |latex feyn.ins|. The +% resulting \file{feyn.sty} should be installed in the usual location +% for style files -- that is, something like +% \file{texmf.local/tex/latex/feyn.sty}. The \metafont\ source files +% \file{*.mf} should be installed in a directory with a location such as +% \file{texmf.local/fonts/source/feyn/}. That should be all you need +% to do as regards the installation of the fonts -- if your \TeX\ +% setup is installed correctly, then the usual font-generation +% commands (such as \file{mktexpk} for example) should work as normal. +% +% +% \StopEventually{} +% +% \section{Implementation} +% \begin{macrocode} +%<*package> +% \end{macrocode} +% +% Declare the feyn math font family. The |\skewchar| for this font +% (see the \TeX book, p431) can be set to zero, since it's a +% completely upright maths font (the least of its peculiarities). We +% don't have the font in much of a range of sizes. +% \begin{macrocode} +\DeclareFontFamily{OMS}{feyn}{\skewchar\font'000} +\DeclareFontShape{OMS}{feyn}{m}{n}{% + <-10.5>feyn10% + <10.5-11.5>feyn11% + <11.5->feyn12% + }{} +% \end{macrocode} +% +% Now do the same for the text-size fonts, declaring the textfeyn math +% font family. +% \begin{macrocode} +\DeclareFontFamily{OMS}{textfeyn}{\skewchar\font'000} +\DeclareFontShape{OMS}{textfeyn}{m}{n}{% + <-10.5>feyntext10% + <10.5-11.5>feyntext11% + <11.5->feyntext12% + }{} +% \end{macrocode} +% +% XXX It would be nice to arrange things so that superscripts in +% the feyn font were drawn from cmmi7, or something. The original +% feyn.sty arranged this with |\scriptfont\diagramfam=\ninmi|, but +% it's not clear what the analogue in the FSS is. +% +% Now declare the `feynman' symbol font, and make the command |\feyn| +% set its argument in that font. Similarly have |\Feyn| invoke the +% feynman symbol font for the text sizes. +% \begin{macrocode} +\DeclareSymbolFont{feynman}{OMS}{feyn}{m}{n} +\DeclareSymbolFontAlphabet{\feyn}{feynman} +\DeclareSymbolFont{textfeynman}{OMS}{textfeyn}{m}{n} +\DeclareSymbolFontAlphabet{\Feyn}{textfeynman} +% \end{macrocode} +% +% +% Now get the size of the `module' (the length of the fermion), and the +% height of the math-axis, from the font. You might think that the +% math-axis is obtainable from |\fontdimen22| of the font, but we do +% not load it as an |{operator}| font when we invoke +% |\DeclareSymbolFont|, so it does not have all 22 parameters that a +% symbol font (as the \TeX book uses the term, rather than \LaTeXe's +% NFSS). I confess I don't \emph{really} understand the ins and outs +% of this, but this route is robust and not wrong. +% +% The character |"7F| in the feyn font is blank, but has width +% |module#| and height |a#| (using the dimensions of the font +% file). Use this to set the |\FEYN@module| and |\FEYN@maxis|. Note +% that the `module' used in this package file is twice the module used +% in the \metafont\ files themselves. +% \begin{macro}{\FEYN@module} +% \begin{macro}{\FEYN@maxis} +% \begin{macrocode} +\DeclareMathSymbol{\FeynSpaceChar}{\mathord}{feynman}{"7F} +\setbox0=\hbox{$\FeynSpaceChar$} +\newdimen\FEYN@module \FEYN@module=2\wd0 +\newdimen\FEYN@maxis \FEYN@maxis=\ht0 +% \end{macrocode} +% \end{macro} +% \end{macro} +% +% \begin{macro}{\Diagram} +% Define the |\Diagram| macro, which lays out a semi-complicated +% diagram in 2-d. +% \begin{macrocode} +\def\Diagram#1{\setbox0=\hbox{\vbox{\offinterlineskip \let\\\cr + \halign{&$\displaystyle\feyn{##}$\cr #1\crcr}}}% +% \end{macrocode} +% At this point, |\box0| has zero depth. It must be an hbox, because +% we're fiddling with its height within a enclosing |\vbox|. See the +% \TeX book pp 388--389. This takes advantage of appx G, rule 8 to +% move box0 down by the height of the math axis. The construction +% |\dp0 = -2\fontdimen22 \textfont2| also works, in the sense of +% moving the box onto the math axis, but makes the box too small, +% which means that surrounding text can encroach. +% \begin{macrocode} + \@tempdima=\ht0 + \advance\@tempdima by 2\FEYN@maxis \ht0=\@tempdima + \vcenter{\box0}} +% \end{macrocode} +% \end{macro} +% +% \begin{macro}{\maxis} +% Raise the argument to the math axis. +% \begin{macrocode} +\def\maxis#1{\raise\FEYN@maxis \hbox{$#1$}} +% \end{macrocode} +% \end{macro} +% +% \begin{macro}{\vertexlabel} +% The command |\vertexlabel^{text}| or |\vertexlabel_{text}| positions +% the |{text}| in maths mode either above or below, respectively, the +% current position. It's used at between characters to label a vertex. +% \begin{macrocode} +\def\vertexlabel#1#2{\setbox0=\hbox to 0pt{\hss$\scriptstyle #2$\hss} + \ifcat #1^ + \vbox to 0pt{\vss\box0\nointerlineskip\kern2\FEYN@maxis} + %\vbox to 0pt{\vss\box0\nointerlineskip\kern6pt} + \else\ifcat #1_ + \vbox to 0pt{\kern\FEYN@maxis\nointerlineskip\box0\vss} + %\vbox to 0pt{\kern2pt\nointerlineskip\box0\vss} + \else + \PackageError{feyn} + {Bad arguments for \string\vertexlabel} + {Usage: \string\vertexlabel^{text} or \string\vertexlabel_{text}} + \fi\fi + } +% \end{macrocode} +% \end{macro} +% +% \begin{macro}{\annotate} +% The |\annotate| command takes $x$ and $y$ coordinates in units of +% modules, and text (in math mode) to be placed on a |\diagram|. +% \begin{macrocode} +\def\annotate#1#2#3{\vcenter to 0pt{\vss + \hbox to 0pt{\hskip #1\FEYN@module\hbox to 0pt{\hss$\scriptstyle #3$\hss}\hss + }\vskip #2\FEYN@module}} +% \end{macrocode} +% \end{macro} +% \begin{macro}{\tannotate} +% The |\tannotate| command is just the same, but the annotating text +% is in horizontal mode. +% \begin{macrocode} +\def\tannotate#1#2#3{\vcenter to 0pt{\vss + \hbox to 0pt{\hskip #1\FEYN@module\hbox to 0pt{\hss #3\hss}\hss + }\vskip #2\FEYN@module}} +% \end{macrocode} +% \end{macro} +% +% \begin{macro}{\feynstrut} +% The macro |\feynstrut#1#2| defines |\strut| to have a height +% |#1| modules, and depth |#2| modules. +% \begin{macrocode} +\def\feynstrut#1#2{\setbox\strutbox=\hbox{\vrule + height #1\FEYN@module depth #2\FEYN@module width 0pt}} +% \end{macrocode} +% \end{macro} +% +% \begin{macro}{\arrow} +% The command |\arrow#1#2#3| puts an arrow of gradient |#3|${}\times 45^\circ$ +% at position |(#1,#2)|(modules). This doesn't work -- the |\char| +% results in a |\rm| character appearing, rather than a |\feyn| +% character. Putting in a symbol like `+' has the same effect, but +% putting in, say, `a' works as expected. In other words, it's to do +% with the character's mathcode, and the |\char| +% should be replaced by a |\mathchar"7?\@tempcnta| somehow. The +% problem is that that depends on the parameter |\fam| having a +% suitable value. It's not clear to me what this corresponds to in +% \LaTeXe. See the \TeX book, chapter 17. +% \begin{macrocode} +\def\arrow#1#2#3{\@tempcnta="28 \advance\@tempcnta by #3\vcenter to 0pt{\vss + \hbox to 0pt{\hskip #1\FEYN@module\hbox to 0pt{$\feyn{\char\@tempcnta}$}\hss + }\vskip #2\FEYN@module}} +% \end{macrocode} +% \end{macro} +% +% Declare symbols. All of these are ligatures. +% \begin{macrocode} +\DeclareMathSymbol{\wfermion}{0}{feynman}{"64} +%\DeclareMathSymbol{\Wfermion}{0}{feynman}{"44} +\DeclareMathSymbol{\hfermion}{0}{feynman}{"6B} +%\DeclareMathSymbol{\Hfermion}{0}{feynman}{"4B} +\DeclareMathSymbol{\shfermion}{0}{feynman}{"6C} +%\DeclareMathSymbol{\sHfermion}{0}{feynman}{"4C} +\DeclareMathSymbol{\whfermion}{0}{feynman}{"6D} +%\DeclareMathSymbol{\wHfermion}{0}{feynman}{"4D} +\DeclareMathSymbol{\gvcropped}{0}{feynman}{"07} +% \end{macrocode} +% But the following are not ligatures. +% \begin{macrocode} +\DeclareMathSymbol{\bigbosonloop}{0}{feynman}{"21} +\DeclareMathSymbol{\Bigbosonloop}{7}{feynman}{"21} +\DeclareMathSymbol{\smallbosonloop}{0}{feynman}{"20} +% \end{macrocode} +% +% +% \Finale +\endinput diff --git a/Master/texmf-dist/source/latex/feyn/feyn.ins b/Master/texmf-dist/source/latex/feyn/feyn.ins new file mode 100644 index 00000000000..5a56e95876d --- /dev/null +++ b/Master/texmf-dist/source/latex/feyn/feyn.ins @@ -0,0 +1,14 @@ +\input docstrip +\preamble + Feyn: package to manage the font feyn10 +\endpreamble +\keepsilent +\askforoverwritefalse + +\generate{\file{feyn.drv}{\from{feyn.dtx}{driver}} + \file{feyn.sty}{\from{feyn.dtx}{package}} + } + +\endbatchfile + +%% $Id: feyn.ins,v 1.1 2001/08/06 17:21:31 norman Exp $ |