Local expansion of atomic W state in cavity quantum electrodynamics

Based on resonant interactions between atoms and cavity modes, we have designed a scheme for expanding atomic entangled W states. By sending one of the atoms in a N -atom W state and an auxiliary excited-state atom into an vacuum cavity, we have obtained a ( N  + 1)-atom W state by detecting the cav...

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Veröffentlicht in:	Indian journal of physics 2014-11, Vol.88 (11), p.1141-1145
Hauptverfasser:	Zang, X-P, Yang, M, Wu, W-F, Fang, S-D, Cao, Z-L
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics and Astroparticles Atomic physics Original Paper Physics Physics and Astronomy Quantum physics
Online-Zugang:	Volltext
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