Quantum computation with optical cavities and decaying trapped ions

Preprint

18 November 2001

preprint
Published by arXiv in arXiv

Abstract

Two-qubit logical gates are proposed on the basis of two atoms trapped in a cavity setup. Losses in the interaction by spontaneous transitions are suppressed efficiently by employing adiabatic transitions. Dynamical and geometrical conditional phase gates are suggested for the two limiting cases of small and large values of the atomic emission rate compared to the atom-cavity coupling. This method provides fidelity and success rate of its gates arbitrarily close to unity. Hence, it is suitable for performing quantum computation.

Keywords

ATOMS
DECAYING TRAPPED
IONS TWO
OPTICAL CAVITIES
PROVIDES FIDELITY
QUANTUM COMPUTATION
QUBIT LOGICAL
SPONTANEOUS TRANSITIONS
TRAPPED
TWO QUBIT

All Related Versions

Version 1, 2001-11-16, ArXiv
Version 2, 2001-11-18, ArXiv
Version 3, 2001-11-23, ArXiv
Version 4, 2002-03-21, ArXiv
Published version: Physical Review Letters, 89 (18), 187903.

This publication has 0 references indexed in Scilit: