What's New

What's New

What's new in version 2.5? (Released 07/2014)

We have re-written qcircuit as a .sty file to enable package functionality. Users familiar with the .tex file and structure will need to reread the tutorial. We introduced new options - braket and qm - for quantum mechanics purposes.

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(Note: The text below comes from the original FAQ page. As this project has been migrated to GitHub, the original pages are no longer being maintained. Users are encouraged to download and use the most up-to-date version of qcircuit, available on the releases page.)

What's new in version 2? (Released 9/2011)

Nothing has been added. The ability to typeset cluster states has been removed. qcircuit has been completely rewritten to work with Xy-pic version 3.8 and higher.

What's new in version 1.2? (Released 4/2006)

The ability to typeset cluster states has been added by changing the definition of \Qcircuit and adding the commands \node and \link. \Qcircuit now takes an optional argument that places you in cluster state mode by specifying the size of nodes in the cluster. \node draws a circle, placing the mandatory argument inside; the optional argument is used as a (small) secondary label. \link is analogous to the other quantum wire commands but for the fact that it takes two arguments which are mandatory and allow the user to specify a target entry of both a different row and column.

\multimeasure has been modified slightly to improve its appearance when an empty argument is passed.

\targ has been modified to improve its appearance when circuits are typeset in different font sizes, i.e. in figures.

The command \pureghost has been added so that the left pointing wires can be omitted from multi-line measurement gates.

What's new in version 1.1? (Released 8/2004)

Two single qubit measurement gates have been added. The \meter command typesets a meter and the \measureD command typesets a D-shaped measurement gate which takes a single argument which determines the label. Also \measurebub has been renamed \measure and the orginal measure command has been discontinued.

Two multiple qubit measurement gates have been added. The commands are called \multimeasure and \multimeasureD. They work in exactly the same way as \multigate except they produce a rounded box and a D-shaped box respectively.

Several other modifications were made to improve connectivity and the general appearance of the gates.