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Linear theory and violent relaxation in long-range systems: a test case
Linear theory long-range systems
2010/11/17
In this article, several aspects of the dynamics of a toy model for longrange Hamiltonian systems are tackled focusing on linearly unstable unmagnetized (i.e. force-free) cold equilibria states of the...
On resonant interactions of ions with plasma waves in a reduced quasi-linear theory
resonant interactions of ions plasma waves reduced quasi-linear theory
2009/11/12
Based on quasi-linear theory (involving pitch angle scattering), the resonant interactions between ions and waves in an anisotropic multi-component plasma are discussed. In particular, electromagnetic...
A linear theory of physical properties in inhomogeneous sediments and its application to relative paleointensity determination
linear theory physical properties inhomogeneous sediments paleointensity determination
2009/10/22
A linear model is developed to study the effect of variations in composition upon extensive physical properties of continuously deposited sediment sequences. By applying this model to natural and synt...
Baroclinic Instability over a Slope. Part I：Linear Theory
Baroclinic Instability Slope Linear Theory
2009/3/24
We consider the instability properties of a circular current in the upper layer of a two-layer quasi-geostrophic ocean over a unidirectional slope. This particular flow-topography geometry is intended...
Quasi-linear Theory of Wind-Wave Generation Applied to Wave Forecasting
Quasi-linear Theory Wind-Wave Generation Wave Forecasting
2008/12/24
The effect of wind-generated gravity waves on the airflow is discussed using quasi-linear theory of wind-wave generation. In this theory, both the effects of the waves and the effect of air turbulence...
Primitive Equation Instability of Wide Oceanic Rings. Part I：Linear Theory
Wide Oceanic Rings Linear Theory Asymptotic theory
2008/11/18
The linear stability of two-layer primitive equation ocean rings is considered in the case when the rings are wide compared with a deformation radius, as is usually observed. Asymptotic theory is deve...
Ion thermal effects on E-region instabilities: linear theory
E-region electrojet Ionospheric irregularities
2017/3/22
Linear instabilities and turbulent processes in ionospheric electrojets lead to the formation of plasma density
irregularities which create strong radar reflections. Studies of these irregularities h...
Ablation of micrometeoroids between 70 and 130 km altitude in the atmosphere
creates plasma columns with densities exceeding the ambient ionospheric electron density
by many orders of magnitude. Den...