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Poynting vector, energy density, and energy velocity in an anomalous dispersion medium
Huang, CG; Zhang, YZ; Huang, CG , Chinese Acad Sci, Inst High Energy Phys, POB 918, Beijing 100039, Peoples R China, Peoples R China.
2002
发表期刊PHYSICAL REVIEW A
ISSN1050-2947
卷号65期号:1页码:-
摘要The Poynting vector, energy density, and energy velocity of light pulses propagating in an anomalous dispersion medium with two closely spaced gain lines are calculated. The results show that a negative energy density in the medium propagates along the opposite direction of incidence with a velocity similar to the negative group velocity v. while Poynting vector is in the same direction of incidence. In other words, one might say that a positive energy density in the medium would propagate along the positive direction with a speed \v(g)\. We further point out that neither energy velocity nor group velocity is a good concept to describe the propagation process of light pulse inside the medium in the Wang, Kuzmich, and Dogaiu [Nature London) 406, 277 (2000)] experiment owing to the strong accumulation and dissipation effects.
部门归属Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Superluminal Group Velocities Propagation
学科领域Physics
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收录类别SCI
WOS记录号WOS:000173273800115
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被引频次:4[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/311006/13620
专题1978-2010年知识产出
通讯作者Huang, CG , Chinese Acad Sci, Inst High Energy Phys, POB 918, Beijing 100039, Peoples R China, Peoples R China.
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GB/T 7714
Huang, CG,Zhang, YZ,Huang, CG , Chinese Acad Sci, Inst High Energy Phys, POB 918, Beijing 100039, Peoples R China, Peoples R China.. Poynting vector, energy density, and energy velocity in an anomalous dispersion medium[J]. PHYSICAL REVIEW A,2002,65(1):-.
APA Huang, CG,Zhang, YZ,&Huang, CG , Chinese Acad Sci, Inst High Energy Phys, POB 918, Beijing 100039, Peoples R China, Peoples R China..(2002).Poynting vector, energy density, and energy velocity in an anomalous dispersion medium.PHYSICAL REVIEW A,65(1),-.
MLA Huang, CG,et al."Poynting vector, energy density, and energy velocity in an anomalous dispersion medium".PHYSICAL REVIEW A 65.1(2002):-.
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