Delocalized single-photon Dicke states and the Leggett-Garg inequality in solid state systems

被引：17
作者：
Chen, Guang-Yin [1 ,2 ,3 ]
Lambert, Neill [3 ]
Li, Che-Ming [4 ,5 ]
Chen, Yueh-Nan [1 ,2 ]
Nori, Franco [3 ,6 ]
机构：
[1] Natl Cheng Kung Univ, Dept Phys, Tainan 701, Taiwan
[2] Natl Cheng Kung Univ, Natl Ctr Theoret Sci, Tainan 701, Taiwan
[3] RIKEN, Adv Sci Inst, Wako, Saitama 3510198, Japan
[4] Natl Cheng Kung Univ, Dept Engn Sci, Tainan 701, Taiwan
[5] Natl Cheng Kung Univ, Supercomp Res Ctr, Tainan 701, Taiwan
[6] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA
来源：
SCIENTIFIC REPORTS | 2012年 / 2卷
关键词：
RAYLEIGH-SCATTERING; QUANTUM; EMISSION; POLARITONS; EXCITONS; DECAY;
D O I：
10.1038/srep00869
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We show how to realize a single-photon Dicke state in a large one- dimensional array of two-level systems, and discuss how to test its quantum properties. The realization of single-photon Dicke states relies on the cooperative nature of the interaction between a field reservoir and an array of two-level-emitters. The resulting dynamics of the delocalized state can display Rabi-like oscillations when the number of two-level emitters exceeds several hundred. In this case, the large array of emitters is essentially behaving like a "mirror-less cavity''. We outline how this might be realized using a multiple-quantum-well structure or a dc-SQUID array coupled to a transmission line, and discuss how the quantum nature of these oscillations could be tested with an extension of the Leggett-Garg inequality.
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页数：8
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