Coherent control in a decoherence-free subspace of a collective multilevel system

Decoherence-free subspaces (DFS's) in systems of dipole-dipole interacting multilevel atoms are investigated theoretically. It is shown that the collective state space of two dipole-dipole interacting four-level atoms contains a four-dimensional DFS. We describe a method that allows us to popul...

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Veröffentlicht in:	Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2007-03, Vol.75 (3), Article 032313
Hauptverfasser:	Kiffner, M., Evers, J., Keitel, C. H.
Format:	Artikel
Sprache:	eng
Schlagworte:	CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS CONTROL THEORY DIPOLES FOUR-DIMENSIONAL CALCULATIONS LASER RADIATION MICROWAVE RADIATION PHOTON-ATOM COLLISIONS QUANTUM DECOHERENCE QUANTUM ENTANGLEMENT QUANTUM MECHANICS QUBITS ROTATION SPIN
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