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	Optical helicity and Hertz vectors
	Elbistan, Mahmut
刊名	PHYSICS LETTERS A
	2018-07-26
卷号	382期号:29页码:1897-1902
关键词	Duality symmetry Optical helicity Hertz vectors Topological magnetoelectric effect
ISSN号	0375-9601
DOI	10.1016/j.physleta.2018.05.012
通讯作者	Elbistan, Mahmut(elbistan@impcas.ac.cn)
英文摘要	We study the conserved quantity associated with the dual symmetry of the Maxwell equations, called the optical helicity, by means of transverse Hertz vectors. In the presence of charges, its evolution yields the integral of E.B which is the anomaly term for chiral fermions. We also discuss the helicity change in condensed matter systems where topological magnetoelectric effect emerges. An alternative expression of the optical helicity is also found. Lastly, a dual symmetric Hertz Lagrangian is constructed and its conserved charge is derived. (C) 2018 Elsevier B.V. All rights reserved.
收录类别	SCI
WOS关键词	ELECTRODYNAMICS ; TRANSFORMATIONS ; INVARIANCE ; DUALITY ; FIELDS
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000435750300001
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2557804
专题	寒区旱区环境与工程研究所
通讯作者	Elbistan, Mahmut
作者单位	Chinese Acad Sci, Inst Modern Phys, Lanzhou, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Elbistan, Mahmut. Optical helicity and Hertz vectors[J]. PHYSICS LETTERS A,2018,382(29):1897-1902.
APA	Elbistan, Mahmut.(2018).Optical helicity and Hertz vectors.PHYSICS LETTERS A,382(29),1897-1902.
MLA	Elbistan, Mahmut."Optical helicity and Hertz vectors".PHYSICS LETTERS A 382.29(2018):1897-1902.

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