Local expansion of atomic W state in cavity quantum electrodynamics

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
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Astrophysics and Astroparticles
Atomic physics
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Physics
Physics and Astronomy
Quantum physics
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container_end_page 1145
container_issue 11
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container_title Indian journal of physics
container_volume 88
creator Zang, X-P
Yang, M
Wu, W-F
Fang, S-D
Cao, Z-L
description 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 cavity field after interaction. The feasibility analysis indicates that this scheme may be implementable in near future.
doi_str_mv 10.1007/s12648-014-0564-9
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subjects Astrophysics and Astroparticles
Atomic physics
Original Paper
Physics
Physics and Astronomy
Quantum physics
title Local expansion of atomic W state in cavity quantum electrodynamics
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