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Zhou, Lan; Lu, Jing; Zhou, D. L.; Sun, C. P.; Zhou, L , Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China
Quantum theory for spatial motion of polaritons in inhomogeneous fields
Source PublicationPHYSICAL REVIEW A
KeywordElectromagnetically Induced Transparency Light Optics
AbstractPolaritons 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.
2008
ISSN1050-2947
Volume77Issue:2Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5580
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhou, L , Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China
Recommended Citation
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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