Replacing Two Controlled-U's with Two CNOTs

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dc.creatorTucci, Robert R.
dc.date2005-09-15
dc.date.accessioned2026-07-07T06:13:29Z
dc.date.available2026-07-07T06:13:29Z
dc.descriptionWe give a simple, closed-form formula, what we call the Deflation Identity, for converting any 2-qubit circuit with exactly two controlled-U's (and some 1-qubit rotations) into an equivalent circuit with just two CNOTs (and some 1-qubit rotations). We also give two interesting applications of the Deflation Identity; one to "opening and closing a breach" in a quantum circuit, the other to the CS decomposition of a 2-qubit operator.
dc.description13 pages (8 files: 1 .tex, 2 .sty, 4 .m, 1 .xxx)
dc.identifierhttps://arxiv.org/abs/quant-ph/0509111
dc.identifierhttp://arxiv.org/abs/quant-ph/0509111
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/93122
dc.subjectQuantum Physics
dc.titleReplacing Two Controlled-U's with Two CNOTs
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