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Cavity-assisted nondestructive laser cooling of atomic qubits

A Griessner1, D Jaksch2 and P Zoller1,3

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We analyse two configurations for laser cooling of neutral atoms whose internal states store qubits. The atoms are trapped in an optical lattice which is placed inside a cavity. We show that the coupling of the atoms to the damped cavity mode can provide a mechanism which leads to cooling of the motion without destroying the quantum information.


PACS

37.10.De Atom cooling methods

32.80.Rm Multiphoton ionization and excitation to highly excited states

03.67.Lx Quantum computation architectures and implementations

42.60.Da Resonators, cavities, amplifiers, arrays, and rings

Subjects

Atomic and molecular physics

Computational physics

Optics, quantum optics and lasers

Quantum information and quantum mechanics

Dates

Issue 7 (14 April 2004)

Received 10 November 2003

Published 17 March 2004



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