% 
% File:	  test5.qasm
% Date:	  22-Mar-04
% Author: I. Chuang <ichuang@mit.edu>
%
% Sample qasm input file - demonstrate arbitray qubit matrix ops
% 
% 	def	c-P,1,'\m{e^{i\alpha} & 0 \cr 0 & e^{-i\alpha}}'
% 	def	Ryt,0,'\m{\cos{\theta}&-\sin{\theta}\cr\sin{\theta}&\cos{\theta}}'
% 
% 	qubit	j0
% 	qubit	j1
% 
% 	c-P	j0,j1
% 	Ryt	j0
%  Time 01:
%    Gate 00 c-P(j0,j1)
%  Time 02:
%    Gate 01 Ryt(j0)

% Qubit circuit matrix:
%
% j0: gAA, gBA, n  
% j1: gAB, n  , n  

\documentclass[11pt]{article}
\input{xyqcirc.tex}

% definitions for the circuit elements

\def\gAA{\b\w\A{gAA}}
\def\gAB{\op{\m{e^{i\alpha} & 0 \cr 0 & e^{-i\alpha}}}\w\A{gAB}}
\def\gBA{\op{\m{\cos{\theta}&-\sin{\theta}\cr\sin{\theta}&\cos{\theta}}}\w\A{gBA}}

% definitions for bit labels and initial states

\def\bA{ \q{j_{0}}}
\def\bB{ \q{j_{1}}}

% The quantum circuit as an xymatrix

\xymatrix@R=5pt@C=10pt{
    \bA & \gAA &\gBA &\n  
\\  \bB & \gAB &\n   &\n  
%
% Vertical lines and other post-xymatrix latex
%
\ar@{-}"gAB";"gAA"
}

\end{document}