\relax \@writefile{toc}{\contentsline {section}{\numberline {8}Experimental quantum information processors}{34}}\newlabel{s:qip}{{8}{34}}\@writefile{toc}{\contentsline {subsection}{\numberline {8.1}Ion trap}{34}}\@writefile{toc}{\contentsline {subsection}{\numberline {8.2}Nuclear magnetic resonance}{35}}\@writefile{toc}{\contentsline {subsection}{\numberline {8.3}High-$Q$ optical cavities}{36}}\@writefile{toc}{\contentsline {section}{\numberline {9}Quantum error correction}{36}}\newlabel{s:qec}{{9}{36}}\newlabel{IXYZ}{{43}{38}}\newlabel{noise}{{44}{38}}\newlabel{CC}{{46}{39}}\newlabel{0E}{{47}{39}}\newlabel{1E}{{48}{39}}\@writefile{toc}{\contentsline {section}{\numberline {10}Discussion}{40}}\@setckpt{qc2}{\setcounter{page}{43}\setcounter{equation}{48}\setcounter{enumi}{4}\setcounter{enumii}{0}\setcounter{enumiii}{0}\setcounter{enumiv}{0}\setcounter{footnote}{9}\setcounter{mpfootnote}{0}\setcounter{part}{0}\setcounter{section}{10}\setcounter{subsection}{0}\setcounter{subsubsection}{0}\setcounter{paragraph}{0}\setcounter{subparagraph}{0}\setcounter{figure}{0}\setcounter{table}{0}}