Physics – Quantum Physics
Scientific paper
2007-05-03
Phys. Rev. A 76, 033413 (2007)
Physics
Quantum Physics
5 pages and 1 figure. New version with minor changes and added references. Accepted in Physical Review A
Scientific paper
10.1103/PhysRevA.76.033413
We propose a method of manipulating selectively the symmetric Dicke subspace in the internal degrees of freedom of N trapped ions. We show that the direct access to ionic-motional subspaces, based on a suitable tuning of motion-dependent AC Stark shifts, induces a two-level dynamics involving previously selected ionic Dicke states. In this manner, it is possible to produce, sequentially and unitarily, ionic Dicke states with increasing excitation number. Moreover, we propose a probabilistic technique to produce directly any ionic Dicke state assuming suitable initial conditions.
Lopez Carlos E. E.
Retamal J. C.
Solano Enrique
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