| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Single-photon scattering by two separated atoms in a supercavity |
| Wei Zhu(朱伟)1, Xiao Xiao(肖骁)2, Duan-Lu Zhou(周端陆)1, Peng Zhang(张芃)2,3 |
1 Institute of Physics, Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100190, China;
2 Department of Physics, Renmin University of China, Beijing 100872, China;
3 Beijing Key Laboratory of Opto-electronic Functional Materials & Micro-nano Devices (Renmin University of China), Beijing 100872, China |
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Abstract We study the single-photon scattering along a one-dimensional cavity array with two distant two-level atoms in a supercavity, which aims to simulate a recent x-ray experiment [Nature 482, 199 (2012)]. Without introducing dissipation, we find that when one atom is exactly located at a node of a mode of the supercavity and the other is at the antinode of that mode, no splitting of the reflectivity peak can appear. Nevertheless, the atom at the node significantly changes the positions of the reflectivity valleys. On the other hand, when the atom is shifted a little from the exact node, then the splitting can appear. We also explain these results with an analysis based on the general formal scattering theory. Our result implies the importance of non-resonant modes of the supercavity in our problem.
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Received: 15 September 2015
Revised: 19 January 2016
Accepted manuscript online:
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PACS:
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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42.50.Nn
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(Quantum optical phenomena in absorbing, amplifying, dispersive and conducting media; cooperative phenomena in quantum optical systems)
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32.70.Jz
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(Line shapes, widths, and shifts)
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32.80.Qk
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(Coherent control of atomic interactions with photons)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11222430, 11434011, 11475254, and 11175247) and the National Key Basic Research Program of China (Grant Nos. 2012CB922104 and 2014CB921202). |
Corresponding Authors:
Xiao Xiao
E-mail: pengzhang@ruc.edu.cn
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Cite this article:
Wei Zhu(朱伟), Xiao Xiao(肖骁), Duan-Lu Zhou(周端陆), Peng Zhang(张芃) Single-photon scattering by two separated atoms in a supercavity 2016 Chin. Phys. B 25 064203
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