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Quantum theory for spatial motion of polaritons in inhomogeneous fields
Zhou, Lan; Lu, Jing; Zhou, D. L.; Sun, C. P.; Zhou, L , Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China
2008
发表期刊PHYSICAL REVIEW A
ISSN1050-2947
卷号77期号:2页码:-
摘要Polaritons are the collective excitations of many atoms dressed by resonant photons, which can be used to explain the slow light propagation with the mechanism of electromagnetically induced transparency. As quasiparticles, these collective excitations possess the typical feature of the matter particles, which can be reflected and deflected by the inhomogeneous medium in its spatial motion with some velocity. In this paper we develop a quantum theory to systematically describe the spatial motion of polaritons in inhomogeneous magnetic and optical fields. This theoretical approach treats these quasiparticles through an effective Schrodinger equation with anisotropic dispersion that the longitudinal motion is similar to an ultrarelativistic motion of a "slow light velocity" while the transverse motion is of nonrelativity with certain effective mass. We find that, after passing through the EIT medium, the light ray bends due to the spatial-dependent profile of external field. This phenomenon explicitly demonstrates the exotic corpuscular and anisotropic property of polaritons.
部门归属[Zhou, L; Lu, J] Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China; [Zhou, L; Sun, CP] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Zhou, DL] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
关键词Electromagnetically Induced Transparency Light Optics
学科领域Physics
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收录类别SCI
WOS记录号WOS:000253763900145
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5580
专题理论物理所1978-2010年知识产出
通讯作者Zhou, L , Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China
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GB/T 7714
Zhou, Lan,Lu, Jing,Zhou, D. L.,et al. Quantum theory for spatial motion of polaritons in inhomogeneous fields[J]. PHYSICAL REVIEW A,2008,77(2):-.
APA Zhou, Lan,Lu, Jing,Zhou, D. L.,Sun, C. P.,&Zhou, L , Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China.(2008).Quantum theory for spatial motion of polaritons in inhomogeneous fields.PHYSICAL REVIEW A,77(2),-.
MLA Zhou, Lan,et al."Quantum theory for spatial motion of polaritons in inhomogeneous fields".PHYSICAL REVIEW A 77.2(2008):-.
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