#FIG 3.2 Produced by RustFig #encoding: UTF-8 Landscape Center Inches Letter 100.00 Single -2 1200 2 # Quantum circuit: barrier (dashed vertical line) across two wires # Separates stages of a circuit; scale it to span more wires. Keywords: quantum circuit qubit gate qcircuit quantikz 6 900 450 900 1350 2 1 1 1 0 7 45 -1 -1 6.000 0 0 -1 0 0 2 900 450 900 1350 -6 .