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Adiabatic Passage of Collective Exci

時間:2023-04-27 16:32:27 數(shù)理化學(xué)論文 我要投稿
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Adiabatic Passage of Collective Excitations in Atomic Ensembles

We describe a theoretical scheme that allows for transfer of quantum states of atomic collective excitation between two macroscopic atomic ensembles localized in two spatially-separated domains. The conception is based on the occurrence of double-exciton dark states due to the collective destructive quantum interference of the emissions from the two atomic ensembles. With an adiabatically coherence manipulation for the atom-field couplings by stimulated Ramann scattering, the dark states will extrapolate from an exciton state of an ensemble to that of another. This realizes the transport of quantum information among atomic ensembles.

作 者: LI Yong MIAO YUAN-XIU SUN Chang-Pu   作者單位: Institute of Theoretical Physics, the Chinese Academy of Sciences, Beijing 100080, China  刊 名: 理論物理通訊(英文版)  ISTIC SCI 英文刊名: COMMUNICATIONS IN THEORETICAL PHYSICS  年,卷(期): 2004 42(7)  分類號:   關(guān)鍵詞: quantum information   atomic ensemble   double-exciton dark state  

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