Plasma Waves and Instabilities at Comets and in Magnetospheres

Geophysical Monograph Series......Page 1
GEOPHYSICAL MONOGRAPH SERIES......Page 2
Plasma Waves andInstabilities at Cometsand in Magnetospheres......Page 4
CONTENTS......Page 7
PREFACE......Page 8
Notation......Page 9
Introduction......Page 10
Kolmogorov Spectra of Isotropic Turbulence......Page 11
Spectrum of Strong Langmuir Wave Turbulence in the Inertial Range......Page 13
Langmuir Wave Turbulence in the Absorption Region and Acceleration of Suprathermal Electrons......Page 14
Spectra of Weak Turbulence Formed by theWave-Particle-Wave Interaction......Page 15
Spectra of Turbulence and ElectronAcceleration in Interacting Plasmas......Page 16
Observations of the Critical Velocity Ionization in Space......Page 19
References......Page 20
1. Introduction......Page 22
2. ULF Waves Upstream of Comet Giacobini-Zinner......Page 24
3. ULF Waves Upstream of Comet Halley......Page 26
4. Cyclotron Resonance......Page 27
5. Pickup-Ion Driven Instability of ULF Waves......Page 29
6. Quasilinear Evolution of ULF Waves andPickup Ions......Page 32
7. Nonlinear Evolution of the ULF Waves......Page 33
8. Summary......Page 35
References......Page 36
Introduction......Page 39
The Ion Pick-up Region and Foreshock......Page 40
The Comet Bow Shock Region......Page 42
Near-Encounter Wave Observations......Page 44
Detection of Dust by Wave Instruments......Page 46
References......Page 47
Acceleration by compressional waves......Page 49
2. Elementary Wave-Particle Interaction Process......Page 50
3. Quasi-linear Description of the Second OrderFermi Acceleration Process......Page 51
4. Test Particle Simulation......Page 52
5. Summary and Discussion......Page 55
References......Page 56
1. Introduction......Page 58
Electron Beam Instability......Page 59
Ion Beam Instability......Page 60
Modulational Instability......Page 61
Interaction of Backward and Forward Travelling Waves......Page 63
Inverse Cascading via Modulational Instability......Page 65
Nonlinear Schr5dinger Equation......Page 66
6. Conclusions......Page 67
References......Page 68
Navier-Stokes Turbulence......Page 71
Equatorial F Region......Page 74
High Latitude Ionosphere......Page 75
Theories of High Latitude Turbulence......Page 79
Summary......Page 84
References......Page 85
Introduction......Page 87
Ground Observations......Page 88
Satellite Observations at Earth......Page 91
Observations at Other Planets......Page 97
Active Experiments......Page 100
Theory......Page 103
Simulations......Page 109
Related Phenomena......Page 111
Summary......Page 112
References......Page 114
1. Introduction......Page 124
2. Electron Anisotropy, Wave Growth Rate, Diffusion......Page 125
3. Steady State Situation......Page 126
3.1. The Behavior of the Anisotropy in the Presence of Waves......Page 127
3.2. The Temporal Growth Rate......Page 128
4. Generation Mechanism Inside and Outside the Plasmasphere......Page 130
5. Non Stationary Effects......Page 135
References......Page 137
I. Introduction......Page 139
2.1 Linear Theory......Page 140
2.2 Nonlinear Effects......Page 142
3. Thermal Mixing -Excitation of Broadband Electrostatic Noisein the Plasma Sheet Boundary Layer......Page 146
3.2 Simulation Results......Page 147
4. Conclusions......Page 149
References......Page 150
Introduction......Page 152
Propagation Model - Physical Description......Page 153
Representative Simulation Results......Page 154
Scaling Considerations......Page 158
Summary and Conclusions......Page 162
References......Page 163
Whistler Mode......Page 164
Auroral Kilometric Radiation......Page 165
Basic Equations for Ray Tracing......Page 166
Plasma Density Models......Page 167
3-D Ray Racing of ECHW and Z Mode in a Hot Plasma......Page 172
References......Page 173
II. Hydromagnetic Theory......Page 175
References......Page 178
Introduction......Page 180
Long-Period Magnetic Pulsations Observed at CuspLatitudes......Page 181
Short-Period Magnetic Pulsations Observed at CuspLatitudes......Page 185
Ground Signatures of FTE's......Page 186
Energy Sources of Long-Period Magnetic Pulsationsat Cusp Latitudes......Page 190
Energy Souces of Pc 1-2 Magnetic Pulsations atCusp Latitudes......Page 191
Excitation of Standing Shear Alfven Waves by FTE's......Page 192
References......Page 193
1. Introduction......Page 197
2. Upstream Waves asSources of Pc 3......Page 199
3. Impulsive Responses ofMagnetosphere as aSource of Psc......Page 200
4. Instabilities in Hot Plasmaqco as a Source of Compressional Pc5......Page 203
5. Reconfiguration of theNightside Magnetosphereas a Source of Pi 2......Page 205
6. Ionosphere and Its Modulationon MHD Waves......Page 208
7. Summary and FutureResearch Direction......Page 211
References......Page 213
Introduction......Page 220
Earth......Page 222
Jupiter......Page 224
Saturn......Page 227
Discussion......Page 231
The Future of Planetary Radio Astronomy......Page 232
References......Page 234
1. Introduction......Page 237
2. Free Energy for ES and EM Waves......Page 238
3.1. Growth Rate......Page 239
3.2. Relativistic Resonance Condition......Page 240
3.4. Computer Simulation......Page 241
4.2. Mode-Conversion Through a slowly varying medium......Page 242
5.1. Direct Nonlinear Process......Page 243
5.2. Indirect Nonlinear Conversion......Page 244
References......Page 245