Model and Logic Gates for Quantum Computing with a Two-Level System in a Resonant-Frequency Field

Model and Logic Gates for Quantum Computing with a Two-Level System in a Resonant-Frequency Field A model describing the evolution of a two-level quantum system under the continuous measurement of the dipole moment is proposed. The action of the instrument is allowed for by including the measured data into the evolution equation in a self-consistent manner, subject to a certain criterion of motion. It is predicted that the superposition persistence time will increase if the measurement is carried out with a low accuracy and a minimum variance. Within this framework, a novel concept of the quantum logic gate is presented, the logic operations being performed by varying the rate of energy-level transitions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Microelectronics Springer Journals

Model and Logic Gates for Quantum Computing with a Two-Level System in a Resonant-Frequency Field

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Subject
Engineering; Electrical Engineering
ISSN
1063-7397
eISSN
1608-3415
D.O.I.
10.1023/A:1014345510311
Publisher site
See Article on Publisher Site

Abstract

A model describing the evolution of a two-level quantum system under the continuous measurement of the dipole moment is proposed. The action of the instrument is allowed for by including the measured data into the evolution equation in a self-consistent manner, subject to a certain criterion of motion. It is predicted that the superposition persistence time will increase if the measurement is carried out with a low accuracy and a minimum variance. Within this framework, a novel concept of the quantum logic gate is presented, the logic operations being performed by varying the rate of energy-level transitions.

Journal

Russian MicroelectronicsSpringer Journals

Published: Oct 13, 2004

References

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