scholarly journals Foreshock Langmuir waves for unusually constant solar wind conditions: Data and implications for foreshock structure

1997 ◽  
Vol 102 (A11) ◽  
pp. 24249-24264 ◽  
Author(s):  
Iver H. Cairns ◽  
P. A. Robinson ◽  
Roger R. Anderson ◽  
R. J. Strangeway
Keyword(s):  
Solar Wind ◽  
Langmuir Waves

Eigenmode Structure in Solar-Wind Langmuir Waves

2008 ◽  
Vol 101 (5) ◽  
Author(s):  
R. E. Ergun ◽  
D. M. Malaspina ◽  
Iver H. Cairns ◽  
M. V. Goldman ◽  
D. L. Newman ◽  
...  
Keyword(s):  
Solar Wind ◽  
Langmuir Waves

Parametric interaction and spatial collapse of beam-driven Langmuir waves in the solar wind

1981 ◽  
Vol 86 (A10) ◽  
pp. 8833-8841 ◽  
Author(s):  
D. A. Gurnett ◽  
J. E. Maggs ◽  
D. L. Gallagher ◽  
W. S. Kurth ◽  
F. L. Scarf
Keyword(s):  
Solar Wind ◽  
Parametric Interaction ◽  
Langmuir Waves

scholarly journals Langmuir waves in a fluctuating solar wind

1999 ◽  
Vol 104 (A8) ◽  
pp. 17069-17078 ◽  
Author(s):  
P. J. Kellogg ◽  
K. Goetz ◽  
S. J. Monson ◽  
S. D. Bale
Keyword(s):  
Solar Wind ◽  
Langmuir Waves

scholarly journals Mode Conversion and Reflection of Langmuir Waves in an Inhomogeneous Solar Wind

2001 ◽  
Vol 18 (4) ◽  
pp. 355-360 ◽  
Author(s):  
A. J. Willes ◽  
Iver H. Cairns
Keyword(s):  
Solar Wind ◽  
Electromagnetic Waves ◽  
Plasma Frequency ◽  
Mode Conversion ◽  
Langmuir Wave ◽  
Solar Wind Plasma ◽  
Langmuir Waves ◽  
Transverse Electromagnetic ◽  
Solar Wind Parameters ◽  
Conversion Efficiencies

AbstractBeam-driven Langmuir waves in the solar wind are generated just above the electron plasma frequency, which fluctuates in the inhomogeneous solar wind plasma. Consequently, propagating Langmuir waves encounter regions in which the wave frequency is less than the local plasma frequency, where they can be reflected, mode converted to transverse electromagnetic waves, and trapped in density wells. The aim here is to investigate Langmuir wave reflection and mode conversion at a linear density gradient for typical solar wind parameters. It is shown that higher mode conversion efficiencies are possible than previously calculated, but that mode conversion occurs in a smaller region of parameter space. In addition, the possibility of detecting mode conversion with in situ spacecraft Langmuir wave observations is discussed.

Low-frequency waves associated with Langmuir waves in solar wind

1995 ◽  
Vol 100 (A3) ◽  
pp. 3417-3426 ◽  
Author(s):  
G. Thejappa ◽  
Donat G. Wentzel ◽  
R. G. Stone
Keyword(s):  
Solar Wind ◽  
Low Frequency ◽  
Langmuir Waves ◽  
Low Frequency Waves

Acceleration of energetic electrons by waves in inhomogeneous solar wind plasmas

2017 ◽  
Vol 83 (2) ◽  
Author(s):  
C. Krafft ◽  
A. Volokitin
Keyword(s):  
Solar Wind ◽  
Plasma Density ◽  
Relevant Information ◽  
Density Fluctuations ◽  
Wave Transformation ◽  
Wave Turbulence ◽  
Initial Kinetic Energy ◽  
Langmuir Turbulence ◽  
Langmuir Waves ◽  
Beam Parameters

The paper studies the influence of the background plasma density fluctuations on the dynamics of the Langmuir turbulence generated by electron beams, for parameters typical for solar type III beams and plasmas near 1 AU. A self-consistent Hamiltonian model based on the Zakharov and the Newton equations is used, which presents several advantages compared to the Vlasov approach. Beams generating Langmuir turbulence can be accelerated as a result of wave transformation effects or/and decay cascade processes; in both cases, the beam-driven Langmuir waves transfer part of their energy to waves of smaller wavenumbers, which can be reabsorbed later on by beam particles of higher velocities. As a consequence, beams can conserve a large part of their initial kinetic energy while propagating and radiating wave turbulence over long distances in inhomogeneous plasmas. Beam particles can also be accelerated in quasi-homogeneous plasmas due to the second cascade of wave decay, the wave transformation processes being very weak in this case. The net gains and losses of energy of a beam and the wave turbulence it radiates are calculated as a function of the average level of plasma density fluctuations and the beam parameters. The results obtained provide relevant information on the mechanism of energy reabsorption by beams radiating Langmuir turbulence in solar wind plasmas.

scholarly journals Thermal and driven stochastic growth of Langmuir waves in the solar wind and Earth's foreshock

2000 ◽  
Vol 27 (1) ◽  
pp. 61-64 ◽  
Author(s):  
Iver H. Cairns ◽  
P. A. Robinson ◽  
R. R. Anderson
Keyword(s):  
Solar Wind ◽  
Langmuir Waves ◽  
Stochastic Growth

Size and amplitude of Langmuir waves in the solar wind

2011 ◽  
Vol 116 (A7) ◽  
pp. n/a-n/a ◽  
Author(s):  
S. L. G. Hess ◽  
D. M. Malaspina ◽  
R. E. Ergun
Keyword(s):  
Solar Wind ◽  
Langmuir Waves
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