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| Multi-photon scattering and bound states |
| 2016-11-22
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| Institute of Theoretical Physics | | Chinese Academy of Sciences | | Key Laboratory of Theoretical Physics | | Seminar | | Title 题目 | Multi-photon scattering and bound states | | Speaker 报告人 | 石弢 | | Affiliation 所在单位 | Max Planck Institute of Quantum Optics
| | Date 日期 | 2016年11月22日（星期二）下午 14:00 | | Venue 地点 | ITP NEW BUILDING ROOM 6420 | | Abstract 联系人 | We developed a photon scattering theory [1],[2],[3] to study multi-photon transports and bound state behaviors in low dimensional confined systems (e.g., the photonic waveguides and the photonic crystals) coupled to some quantum emitters. Using the path integral formalism, we show the exact results for the transmission spectra and second order correlation functions of scattered photons, which agree with the Markovian results from the quantum regression theorem. This formalism provides a systematical and convenient way to investigate the exotic photon statistics in the system with strong single-photon nonlinearities (e.g., Rydberg-EIT systems) and the generations of single photon (bundles) [4]. By considering the Markovian effects, we show that a single two-level impurity can bind multi-photons around it to form N-photon bound states [5] in the nonlinear photon bath.
1. T. Shi and C. P. Sun, Phys. Rev. B 79, 205111 (2009).
2. T. Caneva, M. T. Manzoni, T. Shi, J. S. Douglas, J. I. Cirac, and D. E. Chang, New J. of Phys. 17, 113001 (2015).
3. T. Shi, D. E. Chang, J. I. Cirac, Phys. Rev. A 92, 053834 (2015).
4. Y. Chang, A. González-Tudela, C. Sánchez-Muñoz, C. Navarrete-Benlloch, and T. Shi, Phys. Rev. Lett. 117, 203602 (2016).
5. T. Shi, Y. H. Wu, A. Gonzalez-Tudela, J. I. Cirac, Phys. Rev. X 6 021027 (2016). | | Contact Person 联系人 | 王颖丹 |
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