Maximum speed of quantum gate operation

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dc.creatorLevitin, Lev B.
dc.creatorToffoli, Tommaso
dc.creatorWalton, Zachary
dc.date2002-11-26
dc.date2003-06-21
dc.date.accessioned2026-07-07T06:05:36Z
dc.date.available2026-07-07T06:05:36Z
dc.descriptionWe consider a quantum gate, driven by a general time-dependent Hamiltonian, that complements the state of a qubit and then adds to it an arbitrary phase shift. It is shown that the minimum operation time of the gate is tau = (h/4E)(1+2 theta/pi), where h is Planck's constant, E is the average over time of the quantum-mechanical average energy, and theta is the phase shift modulo pi.
dc.description5 page Latex w/ macro file latex-3.tex. Full paper for QS2002 (Quantum Structures) proceedings. This revision fixes two small typos
dc.identifierhttps://arxiv.org/abs/quant-ph/0211167
dc.identifierhttp://arxiv.org/abs/quant-ph/0211167
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/90686
dc.subjectQuantum Physics
dc.titleMaximum speed of quantum gate operation
dc.typetext

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