Preparation of Multicomponent Schroedinger Cat States Through Resonant Atom-Field Interaction

(整期优先)网络出版时间:2005-06-16
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AsimplemethodispresentedforgeneratingmulticomponentSchroedingercatstatesthroughresonantatomfieldinteractions.Intheschementwo-levelatoms,initiallyingroundstates,aresentthrougharesonantcavityfilledwithastrongcoherentfieldsequentially.Thenstate-selectivemeasurementsareperformedontheatoms.Thedetectionsoftheatomsingroundstatescollapsethecavityfieldontoasuperpositionof2^ncoherentstates.Thisisthefirstwayforproducingsuperpositionsofmanycoherentstatesthroughresonantatom-fieldinteraction.