Electromagnetic wave propagating along a space curve

被引：14

作者：

Lai, Meng-Yun ^{[1
]}

Wang, Yong-Long ^{[2
,3
,4
]}

Liang, Guo-Hua ^{[5
]}

Wang, Fan ^{[1
]}

Zong, Hong-Shi ^{[1
,6
,7
]}

机构：

[1] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China

[2] Nanjing Univ, Dept Mat Sci & Engn, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[3] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[4] Linyi Univ, Sch Phys & Elect Engn, Linyi 276005, Peoples R China

[5] Nanjing Univ, Coll Engn & Appl Sci, Nanjing 210093, Jiangsu, Peoples R China

[6] Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China

[7] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China

来源：

PHYSICAL REVIEW A | 2018年 / 97卷 / 03期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

QUANTUM-MECHANICS; ANGULAR-MOMENTUM; OPTICAL-FIBERS; LIGHT; POLARIZATION; ROTATION; GUIDE;

D O I：

10.1103/PhysRevA.97.033843

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

By using the thin-layer approach, we derive the effective equation for the electromagnetic wave propagating along a space curve. We find intrinsic spin-orbit, extrinsic spin-orbit, and extrinsic orbital angular-momentum and intrinsic orbital angular-momentum couplings induced by torsion, which can lead to geometric phase, spin, and orbital Hall effects. And we show the helicity inversion induced by curvature that can convert a right-handed circularly polarized electromagnetic wave into a left-handed polarized one, vice versa. Finally, we demonstrate that the gauge invariance of the effective dynamics is protected by the geometrically induced gauge potential.

引用

页数：6

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