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Maximum speed of quantum gate operation (2003)
by
Lev B. Levitin
,
Tommaso Toffoli
,
Zachary Walton
BibTeX
@MISC{Levitin03maximumspeed,
author = {Lev B. Levitin and Tommaso Toffoli and Zachary Walton},
title = {Maximum speed of quantum gate operation},
year = {2003}
}
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Abstract
We 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), where h is Planck’s constant, E is the average over time of the quantum-mechanical average energy, and θ is the phase shift modulo π. gate is τ = h
