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See the GNU General Public License for more details. +% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% HEADER +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\def\pgfautoxrefs{1} +\documentclass[a4paper,final]{ltxdoc} + +\usepackage{etex} + +%% Formatting +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\usepackage[vmargin=4cm, hmargin=3cm]{geometry} % Customize text width, page height, margins, etc. +% \usepackage{multicol} % {multicols}{n} environment +% \usepackage{pdflscape} % {landscape} environment + +%\usepackage{setspace} % Line spacing +%\singlespacing % 1-spacing (default) +%\onehalfspacing % 1,5-spacing +%\doublespacing % 2-spacing + +\usepackage{fontspec} % Allows other fonts to be specified +\setmainfont{EB Garamond}[ + Contextuals={Alternate}, + Numbers=OldStyle, +] +\setmonofont{Inconsolata-g}[ + Scale=MatchLowercase, +] +\newfontface\swshape{EB Garamond 12 Italic}[Style=Swash] + +\usepackage{microtype} % Fine small typographical details +\usepackage{titlesec} % Change section heading font +\titleformat*{\section}{\huge\scshape} +\titleformat*{\subsection}{\Large\scshape} +\titleformat*{\subsubsection}{\large\scshape} +\titleformat*{\paragraph}{\scshape} + +\usepackage[symbol*,perpage]{footmisc} +\usepackage{enumitem} % Easily customize lists +\setlist[description]{font=\normalfont\scshape} + +%% Change the Table of Contents fonts +\usepackage{tocloft} +\renewcommand{\cftsecfont}{\normalfont\scshape} +\setlength\cftbeforesecskip{0pt} +\setcounter{tocdepth}{2} + +%% Language +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\usepackage[UKenglish]{babel} % Set up the language +\usepackage{csquotes} +\usepackage{siunitx} % Provides \SI{1}{\metre}, also \ang{90}. +\usepackage{textcomp} + +%% Graphics & Figure +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\usepackage{graphicx} % Allow graphics to be included +\usepackage{xcolor} % Define and use colours +% \usepackage{subcaption} % Subfigures inside a figure + +% Keep all pictures in the './img/' sub-directory. +\graphicspath{{./img/}} + +%% Math Packages +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\usepackage{amsmath} % The core math package +\usepackage{amssymb} % Defines additional math fonts +\usepackage{mathtools} % Various extra maths functions +% \usepackage{cancel} % Show cancellations with \cancel{} +% \usepackage{autonum} % Only number referenced equations (must be loaded after cleverref) +\usepackage{dsfont} +\usepackage{simpler-wick} + +\usepackage[cmintegrals,varg]{newtxmath} % Nice math with Garamond + +%% Define \withnumber which forces the line to have number +\newcommand{\withnumber}{\refstepcounter{equation}\tag{\theequation}} + +%% Allows page breaks in math (1 = avoid if possible, 4 = whenever) +%% Page breaks can be avoided at particular places by using \\* +\allowdisplaybreaks[2] + +%% Tables +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\usepackage{array} % New column types, including >{}x<{} +\usepackage{booktabs} % Provides nicer horizontal lines +\usepackage{multirow} % Allows cells to span multiple rows +%\usepackage{longtable} % Allows for tables to span multiple pages + +%% Define the maths version of clr columns. +\newcolumntype{C}{>{\(}c<{\)}} +\newcolumntype{L}{>{\(}l<{\)}} +\newcolumntype{R}{>{\(}r<{\)}} + +%% Other Packages +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\usepackage{listings} % Code listings +\usepackage{minted} % Use Pygments +\usepackage{fp} % Floating point arithmetics +\usepackage{makeidx} % Index creation +\usepackage{xr} % Cross-referencing + +\usepackage{hyperref} % Automatically inserts hyperlinks. +\usepackage{cleveref} % Use `\cref{}` to reference anything + +\usepackage{autonum} + +%% Other modifications +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +% Modify the skip after each paragraph +\setlength{\parskip}{1ex plus 0.5ex minus 0.2ex} +\setlength{\parindent}{0pt} + +\providecommand\href[2]{\texttt{#1}} +\providecommand\hypertarget[2]{\texttt{#1}} +\providecommand\hyperlink[2]{\texttt{#1}} + +\newenvironment{example} + {\VerbatimEnvironment + \begin{VerbatimOut}{example.out}} + {\end{VerbatimOut}% + \vspace{1ex}% + \setlength{\parindent}{0pt}% + \fbox{\begin{minipage}{0.5\linewidth}% + \inputminted[resetmargins]{latex}{example.out}% + \end{minipage}% + \hspace{0.05\linewidth}% + \begin{minipage}{0.43\linewidth}% + \input{example.out}% + \end{minipage}% + \vspace{1ex}}} + +\let\origtexttt=\texttt +\def\texttt#1{{\def\textunderscore{\char`\_}\def\textbraceleft{\char`\{}\def\textbraceright{\char`\}}\origtexttt{#1}}} +\def\exclamationmarktext{!} +\def\atmarktext{@} + +{ + \catcode`\|=12 + \gdef\pgfmanualnormalbar{|} + \catcode`\|=13 + \AtBeginDocument{\gdef|{\ifmmode\pgfmanualnormalbar\else\expandafter\verb\expandafter|\fi}} +} + +\makeatother + +\makeindex + +%% Define some slightly nicer colors +\definecolor{link-color}{RGB}{96 0 0} +\definecolor{cite-color}{RGB}{0 96 0} +\definecolor{file-color}{RGB}{0 0 96} +\definecolor{url-color}{RGB}{0 0 96} +\definecolor{link-border-color}{RGB}{255 159 159} +\definecolor{cite-border-color}{RGB}{159 255 159} +\definecolor{file-border-color}{RGB}{159 159 255} +\definecolor{url-border-color}{RGB}{159 159 255} + +\hypersetup{ + pdfborder=0 0 0, +} + +%% Document Information +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\makeatletter +\newcommand{\@keywords}{} +\newcommand{\keywords}[1]{\renewcommand{\@keywords}{#1}} + +\newcommand{\@version}{} +\newcommand{\version}[1]{\renewcommand{\@version}{#1}} + +\AtBeginDocument{ + \hypersetup{ + pdftitle={\@title}, + pdfauthor={\@author}, + pdfkeywords={\@keywords}, + } +} +\makeatother + +\title{Simpler-Wick} +\version{1.0.0} +\author{Joshua \textsc{Ellis}} +\keywords{Wick contractions; TeX; LaTeX; TikZ; Simpler-Wick} + + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% DOCUMENT +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\begin{document} + +\begin{titlepage} + \makeatletter + \begin{center} + \vspace*{1em} + \tikz\node[scale=1.5]{% + \color{gray}\Huge\ttfamily \char`\{\textcolor{red!75!black}{\@title}\char`\}}; + + \vspace{0.5em} + {\Large\bfseries Simpler Wick Contractions} + + \vspace{0.7em} + {Version \@version \qquad \today} + + \vspace{1.3em} + {by \@author} + \end{center} + \makeatother + + \vfill + +\begin{VerbatimOut}{example.out} +\(\wick{\c1Simp\c2le\c3r\ \c2Wick\ \c3Contractio\c1n}\) +\end{VerbatimOut} + + \begin{center} + \tikzexternaldisable + \tikz\node[scale=2]{\input{example.out}}; + \tikzexternalenable + + \begin{minipage}{0.65\linewidth} + \inputminted{latex}{example.out} + \end{minipage} + \end{center} + + \vfill + + \tableofcontents +\end{titlepage} +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% CONTENT +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\newpage +\section{Introduction} +\label{sec:introduction} + +This package provides simple way of inserting Wick contractions. + +If you have any suggestions or have found any bugs, please feel free to create a +new issue or pull request on the Github page: +\href{https://www.github.com/JP-Ellis/simpler-wick}{|https://www.github.com/JP-Ellis/simpler-wick|}. + +\subsection{Installation} +\label{subsec:installation} + +In order to use this as it is, simply download |simpler-wick.sty| and place it +in the same directory as your \TeX~file and include it using the usual +|\usepackage{simpler-wick}|. Alternatively, it is also possible to install +|simpler-wick| system-wide by placing it inside \TeX's search path (which will +vary based on your operating system). This package is also available through +\href{https:/ctan.org}{\textsc{ctan}}. + + +\section{Usage} +\label{sec:usage} + +The package is imported by adding |\usepackage{simpler-wick}| to your preamble. +In your math environment, you can now use the |\wick| command in combination +with |\c|: + +\begin{example} + \begin{equation} + \wick{\c\phi A \c\phi} + \end{equation} +\end{example} + +If you wish to have multiple contractions, then follow |\c| with a number +between 1 and 9; the first occurrence of |\cN| will start the Wick contraction, +and the second occurrence of |\cN| will end it. After you have ended a +contraction, |\cN| start another contraction. + +\begin{example} + \begin{equation} + \wick{ + \c1 a \c2 b \c3 c \c1 a \c4 d \c1 e + \c1 e \c1 a \c2 b \c3 c \c1 a + } + \end{equation} +\end{example} + +The package has two options: |sep| and |offset|. |sep| is +the distance separating each level and |offset| is the base offset. By default, +|\sep=3pt| and |\offset=1em|, but they can be changed globally by specifying +them as package variables: + +\begin{minted}{latex} +\usepackage[sep=5pt, offset=1.5em]{simpler-wick} +\end{minted} + +Or you can specify them as optional argument to |\wick|. This is particularly +useful if you have some tall symbols within your Wick contraction: + +\begin{example} + \begin{equation} + \wick[offset=2em]{\c\phi \int \frac{dx}{x} \c\phi} + \end{equation} +\end{example} + +\end{document} + +%%% Local Variables: +%%% TeX-master: t +%%% End: |