On kinetic electrostatic plasma waves carrying orbital angular momentum

2021 ◽  
Vol 28 (7) ◽  
pp. 074507
Author(s):  
S. A. Khan ◽  
A. Fukuyama
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Plasma Waves ◽  
Electrostatic Plasma Waves

Asymmetric wave-stress tensors and wave spin

1973 ◽  
Vol 58 (4) ◽  
pp. 737-747 ◽  
Author(s):  
W. L. Jones
Keyword(s):  
Angular Momentum ◽  
Variational Principle ◽  
Orbital Angular Momentum ◽  
Total Angular Momentum ◽  
Plasma Waves ◽  
External Fields ◽  
Stress Tensors ◽  
Momentum Fluxes ◽  
Asymmetric Wave

Linearized wave-stress tensors derived from Hamilton's variational principle may be asymmetric. If interpreted as momentum fluxes, they would lead to lack of conservation of orbital angular momentum. It is shown that changes in internal angular momentum or spin of waves and torque coupling to external fields can adequately provide conservation of total angular momentum in such cases, Examples are given for acoustic, internal gravity, Rossby and plasma waves.

scholarly journals Kinetic plasma waves carrying orbital angular momentum

2019 ◽  
Vol 100 (1) ◽  
Author(s):  
D. R. Blackman ◽  
R. Nuter ◽  
Ph. Korneev ◽  
V. T. Tikhonchuk
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Plasma Waves

Nonlinear Landau damping of plasma waves with orbital angular momentum

2020 ◽  
Vol 102 (3) ◽  
Author(s):  
D. R. Blackman ◽  
R. Nuter ◽  
Ph. Korneev ◽  
V. T. Tikhonchuk
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Plasma Waves ◽  
Landau Damping ◽  
Nonlinear Landau Damping

Advanced Mode Unity Using Loop Antennas Proximate to Reflector for Orbital Angular Momentum Communication

2018 ◽  
Author(s):  
Ryohei Yamagishi ◽  
Hiroto Otsuka ◽  
Ryo Ishikawa ◽  
Akira Saitou ◽  
Hiroshi Suzuki ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Loop Antennas

Highly dispersive coupled ring-core fiber for orbital angular momentum modes

2020 ◽  
Vol 117 (19) ◽  
pp. 191101
Author(s):  
Wenpu Geng ◽  
Yiqiao Li ◽  
Yuxi Fang ◽  
Yingning Wang ◽  
Changjing Bao ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Core Fiber ◽  
Ring Core
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