A Review of the 0.1 Reconnection Rate Problem
... is near 0.1 when normalized to a properly defined reconnecting magnetic field and Alfvén speed. That this is the case has been known for many years, but developing a theoretical understanding of why has been extremely challenging. If we already know the typical rate, why is it important to solve th ...
... is near 0.1 when normalized to a properly defined reconnecting magnetic field and Alfvén speed. That this is the case has been known for many years, but developing a theoretical understanding of why has been extremely challenging. If we already know the typical rate, why is it important to solve th ...
The Plasma Physics Processes that Drive Ring Current
... Figure 1.3 Atmospheric profile for neutral gas and for ionized gas. .................................... 9 Figure 1.4 Daytime ionospheric and atmospheric composition. ......................................... 10 Figure 1.5 Three-dimensional cutaway view of the magnetosphere.......................... ...
... Figure 1.3 Atmospheric profile for neutral gas and for ionized gas. .................................... 9 Figure 1.4 Daytime ionospheric and atmospheric composition. ......................................... 10 Figure 1.5 Three-dimensional cutaway view of the magnetosphere.......................... ...
High frequency ion sound waves - Nonlinear Processes in Geophysics
... local type III radio bursts generated in the vicinity of the spacecraft. The characteristic features of these coherent field structures are the high intensities and short time scales of 15 to 90 milliseconds (6–27 km); the FES time resolution is typically 1 ms. Thejappa et al. (1999) show that (1) t ...
... local type III radio bursts generated in the vicinity of the spacecraft. The characteristic features of these coherent field structures are the high intensities and short time scales of 15 to 90 milliseconds (6–27 km); the FES time resolution is typically 1 ms. Thejappa et al. (1999) show that (1) t ...
Inhomogeneous cloud coverage through the Coulomb explosion of
... In this paper we outline a model to contribute to the understanding of inhomogeneous cloud coverage in substellar atmospheres via the Coulomb explosion of cloud dust particles. Consider an atmosphere with plasma regions populated with dust cloud particles. The spatial extent and distribution of the ...
... In this paper we outline a model to contribute to the understanding of inhomogeneous cloud coverage in substellar atmospheres via the Coulomb explosion of cloud dust particles. Consider an atmosphere with plasma regions populated with dust cloud particles. The spatial extent and distribution of the ...
Interstellar neutral oxygen in a two-shock
... ACR data should provide heliospheric interstellar abundances on one hand, which can be compared with original interstellar abundances on the other. Because, independently, the ACR spectral and spatial gradients observations by the outer probes constrain the shock location (and then the structure of ...
... ACR data should provide heliospheric interstellar abundances on one hand, which can be compared with original interstellar abundances on the other. Because, independently, the ACR spectral and spatial gradients observations by the outer probes constrain the shock location (and then the structure of ...
bob_neutrino_EPS04
... problem. Neutrino interactions with matter are usually considered as non self-consistent single particle processes. We describe neutrino streaming instabilities within supernovæ plasmas, resulting in longitudinal and transverse waves using coupled kinetic equations for both neutrinos and plasma part ...
... problem. Neutrino interactions with matter are usually considered as non self-consistent single particle processes. We describe neutrino streaming instabilities within supernovæ plasmas, resulting in longitudinal and transverse waves using coupled kinetic equations for both neutrinos and plasma part ...
Development of electric currents in a magnetic field configuration
... associated with the Alfvénic waves corresponds to electric current perturbations according to ∇ × B. Because the plasma motion is mainly horizontal in regions of strong vertical B fields, the generated currents will be mainly parallel to the magnetic field. The currents should satisfy ∇ · J = 0, hen ...
... associated with the Alfvénic waves corresponds to electric current perturbations according to ∇ × B. Because the plasma motion is mainly horizontal in regions of strong vertical B fields, the generated currents will be mainly parallel to the magnetic field. The currents should satisfy ∇ · J = 0, hen ...
Periodic Spectral Line Asymmetries In Solar Coronal Structures From Slow Magnetoacoustic Waves
... - Many of the observed propagating disturbances (especially in coronal loops emanating from quiet Sun network and active region plage) do not show evidence of significant quasi-periodic signals. - The wave interpretation was compatible with the lack of strong Doppler shifts. - EIS measurements of in ...
... - Many of the observed propagating disturbances (especially in coronal loops emanating from quiet Sun network and active region plage) do not show evidence of significant quasi-periodic signals. - The wave interpretation was compatible with the lack of strong Doppler shifts. - EIS measurements of in ...
PDF: 154K
... The shear-current dynamo instability depends on the spatial scaling of the correlation time tðkÞ / km of the turbulent velocity field, where k is the small-scale wave number. In particular, the shear-current dynamo in a nonconvective turbulence occurs when the exponent mo1. For the Kolmogorov’s type ...
... The shear-current dynamo instability depends on the spatial scaling of the correlation time tðkÞ / km of the turbulent velocity field, where k is the small-scale wave number. In particular, the shear-current dynamo in a nonconvective turbulence occurs when the exponent mo1. For the Kolmogorov’s type ...
Exospheres and Atmospheric Escape
... the role of the exosphere on the bow shock position, and, hence, on the plasma flow (Ledvina et al. 2008). They concluded that the variations in the bow shock in going from solar minimum to maximum could be reproduced. Ma et al. (2002) and Modolo et al. (2005) used 3D MHD and hybrid models respectiv ...
... the role of the exosphere on the bow shock position, and, hence, on the plasma flow (Ledvina et al. 2008). They concluded that the variations in the bow shock in going from solar minimum to maximum could be reproduced. Ma et al. (2002) and Modolo et al. (2005) used 3D MHD and hybrid models respectiv ...
NASA-TV Highlights
... Vega's lower left is Deneb. Look farther to Vega's lower right for Altair. The Summer Triangle will climb higher in early evening all through the summer, to pose highest overhead at dusk just as fall begins. Saturday, June 14 Mars and Spica arrest your eye in the southwest just after dark this week. ...
... Vega's lower left is Deneb. Look farther to Vega's lower right for Altair. The Summer Triangle will climb higher in early evening all through the summer, to pose highest overhead at dusk just as fall begins. Saturday, June 14 Mars and Spica arrest your eye in the southwest just after dark this week. ...
PHY 380L Introduction to Plasma Physics Richard Fitzpatrick
... they are strongly affected by each others’ electromagnetic fields. Nevertheless, because the charges are no longer bound, their assemblage becomes capable of collective motions of great vigor and complexity. Such an assemblage is termed a plasma. Of course, bound systems can display extreme complexi ...
... they are strongly affected by each others’ electromagnetic fields. Nevertheless, because the charges are no longer bound, their assemblage becomes capable of collective motions of great vigor and complexity. Such an assemblage is termed a plasma. Of course, bound systems can display extreme complexi ...