DEPOLARIZATION OF RADIO BURSTS DUE TO REFLECTION OFF
... compared with their mean. The most serious limitation of this approximation is near the plasma frequency, where there is a range of frequencies at which the o-mode can propagate and the x-mode either is evanescent or becomes the z-mode. (This limitation is unimportant, provided that the reflecting b ...
... compared with their mean. The most serious limitation of this approximation is near the plasma frequency, where there is a range of frequencies at which the o-mode can propagate and the x-mode either is evanescent or becomes the z-mode. (This limitation is unimportant, provided that the reflecting b ...
Modeling of Intense Laser Driven High Energy Density Plasmas
... Illuminating matter with petawatt (one quadrillion watts) laser light creates extreme states of plasmas with temperatures exceeding ten million degrees Celsius and pressures exceeding one billion earth atmospheres. These high energy density conditions are driven at the microscopic scale by dense cur ...
... Illuminating matter with petawatt (one quadrillion watts) laser light creates extreme states of plasmas with temperatures exceeding ten million degrees Celsius and pressures exceeding one billion earth atmospheres. These high energy density conditions are driven at the microscopic scale by dense cur ...
- Repository of the Academy`s Library
... frequency (ULF) waves in the frequency band from fractions of mHz to a few Hz. Interestingly, despite very different spatial scales, MHD wave processes observed in the solar corona have frequencies in the same band. We describe both theoretical models and analysis of observational ground and satelli ...
... frequency (ULF) waves in the frequency band from fractions of mHz to a few Hz. Interestingly, despite very different spatial scales, MHD wave processes observed in the solar corona have frequencies in the same band. We describe both theoretical models and analysis of observational ground and satelli ...
High frequency ion sound waves - Nonlinear Processes in Geophysics
... waves. This indicates that the burnt-out cavitons left behind by the Langmuir collapse processes are probably responsible for these ion sound waves as suggested by Galeev et al. (1976). However, the direct Langmuir collapse requires very high speeds of electron beams responsible for the Langmuir wav ...
... waves. This indicates that the burnt-out cavitons left behind by the Langmuir collapse processes are probably responsible for these ion sound waves as suggested by Galeev et al. (1976). However, the direct Langmuir collapse requires very high speeds of electron beams responsible for the Langmuir wav ...
STELLAR ABLATION OF PLANETARY ATMOSPHERES
... planets of our solar system all bear evidence of long-term atmospheric evolution to which solar photon or solar wind ablation or erosion must have contributed. Mercury barely has an exosphere [Hunten et al., 1988]. Venus’ atmosphere has been desiccated of water [Kasting, 1988]. Mars has lost most of ...
... planets of our solar system all bear evidence of long-term atmospheric evolution to which solar photon or solar wind ablation or erosion must have contributed. Mercury barely has an exosphere [Hunten et al., 1988]. Venus’ atmosphere has been desiccated of water [Kasting, 1988]. Mars has lost most of ...
Current Systems in Planetary Magnetospheres and Ionospheres
... directly with the planet’s atmosphere/ionosphere. We then speak of an “induced magnetosphere”, as it is the draping of the solar wind magnetic field around the planetary obstacle which creates a cavity and a wake; The case R CF ∼ R P is an interesting one: the planet and its magnetic field can both ...
... directly with the planet’s atmosphere/ionosphere. We then speak of an “induced magnetosphere”, as it is the draping of the solar wind magnetic field around the planetary obstacle which creates a cavity and a wake; The case R CF ∼ R P is an interesting one: the planet and its magnetic field can both ...
3D WHOLE-PROMINENCE FINE STRUCTURE MODELING
... the magneto-frictional technique of van Ballegooijen et al. (2000) and Mackay & van Ballegooijen (2006). In Fig. 2(b) we show an enlarged view of the filament after 3000, 60 second time-steps. Due to the presence of the bipole the main body of the filament separates into two parts. The gap between t ...
... the magneto-frictional technique of van Ballegooijen et al. (2000) and Mackay & van Ballegooijen (2006). In Fig. 2(b) we show an enlarged view of the filament after 3000, 60 second time-steps. Due to the presence of the bipole the main body of the filament separates into two parts. The gap between t ...
Interstellar neutral oxygen in a two-shock
... R., 1974,Pesses et al, 1981, Cummings et al, 1984) the sources of the ACR are the LISM atoms which penetrate in the heliosphere where they get ionized. The resulting ions are convected with the plasma as pick-up ions towards the termination shock where they are accelerated to high energies by Fermi ...
... R., 1974,Pesses et al, 1981, Cummings et al, 1984) the sources of the ACR are the LISM atoms which penetrate in the heliosphere where they get ionized. The resulting ions are convected with the plasma as pick-up ions towards the termination shock where they are accelerated to high energies by Fermi ...
UAH
... • MHD is not valid wherever grad-B drifts are important, e.g., inhomogeneous fields, hot plasma • “Malmberg trap” for non-neutral plasmas – Used to trap positrons, making anti-hydrogen – A dipole B-field w/ ionosphere “looks like” Malmberg ...
... • MHD is not valid wherever grad-B drifts are important, e.g., inhomogeneous fields, hot plasma • “Malmberg trap” for non-neutral plasmas – Used to trap positrons, making anti-hydrogen – A dipole B-field w/ ionosphere “looks like” Malmberg ...
High Resolution Chandra Spectroscopy of Gamma Cassiopeia (B0
... presence of Fe and Si fluorescence K features indicates that photoionization also occurs in nearby cold gas. The line profiles indicate a mean velocity at rest with a r.m.s. line broadening of 500 km s−1 and little or no asymmetry. An empirical global fitting analysis of the line and continuum spect ...
... presence of Fe and Si fluorescence K features indicates that photoionization also occurs in nearby cold gas. The line profiles indicate a mean velocity at rest with a r.m.s. line broadening of 500 km s−1 and little or no asymmetry. An empirical global fitting analysis of the line and continuum spect ...
Comparative Planetology
... loading provided by Io. The aurora is only somewhat impacted by solar wind changes. Magnetospheric interactions with the Galilean moons is also reflected by the auroral footprints. Saturn’s magnetosphere rotates rapidly, and contains both sources and sinks of plasma from Enceladus and the rings. The ...
... loading provided by Io. The aurora is only somewhat impacted by solar wind changes. Magnetospheric interactions with the Galilean moons is also reflected by the auroral footprints. Saturn’s magnetosphere rotates rapidly, and contains both sources and sinks of plasma from Enceladus and the rings. The ...
Impedance probe technique to detect the absolute number density M. Wakabayashi
... motion of rockets or satellites for this method. However, the bridge circuit with significantly simplified way, because instrument should be installed in the part which meets con- new bridge circuit did not any transformer. These improvedition that the single antenna is not immersed in wake area men ...
... motion of rockets or satellites for this method. However, the bridge circuit with significantly simplified way, because instrument should be installed in the part which meets con- new bridge circuit did not any transformer. These improvedition that the single antenna is not immersed in wake area men ...
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 ...
Response of equatorial-low latitude ionosphere
... the ionospheric current system associated with the second pulse of si-it has the same pattern but opposite sense to that of the first pulse. The current system has been interpreted as the effect of reduced magnteospheric convection due to reduced dynamic pressure of solar wind. One can therefore exp ...
... the ionospheric current system associated with the second pulse of si-it has the same pattern but opposite sense to that of the first pulse. The current system has been interpreted as the effect of reduced magnteospheric convection due to reduced dynamic pressure of solar wind. One can therefore exp ...
UNIFYING THEORY OF LOW-ENERGY NUCLEAR REACTION AND
... identical Bose nuclei confined in a ion trap or an atomic cluster. Most recently, we have investigated the effect of a generalized particle momentum distribution derived by Galitskii and Yakimets (GY) [7] on nuclear reaction rates in plasma [8,9]. We have derived an approximate semi-analytical formu ...
... identical Bose nuclei confined in a ion trap or an atomic cluster. Most recently, we have investigated the effect of a generalized particle momentum distribution derived by Galitskii and Yakimets (GY) [7] on nuclear reaction rates in plasma [8,9]. We have derived an approximate semi-analytical formu ...
Spectral and Hydrodynamic Modeling of X-Ray Michael Rosenberg
... different from those in a collisional plasma. Like the ionization process itself, excited state population in collisional plasmas arise from electron-ion collisions. More specifically, at high temperatures, collisional ionization will be balanced by dielectronic recombination, wherein the excess ene ...
... different from those in a collisional plasma. Like the ionization process itself, excited state population in collisional plasmas arise from electron-ion collisions. More specifically, at high temperatures, collisional ionization will be balanced by dielectronic recombination, wherein the excess ene ...
Cross-sectional area and intensity variations of sausage modes⋆
... I1 (κR)/κR. We shall use I1 to indicate the first term in Eq. (9), I2 to indicate the second term in Eq. (9), and S 1 to indicate the first term in Eq. (10). Looking at Eqs. (9) and (10), it is clear that for surface modes the intensity and the cross-sectional area variations are either in phase or ...
... I1 (κR)/κR. We shall use I1 to indicate the first term in Eq. (9), I2 to indicate the second term in Eq. (9), and S 1 to indicate the first term in Eq. (10). Looking at Eqs. (9) and (10), it is clear that for surface modes the intensity and the cross-sectional area variations are either in phase or ...
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 ...
MHD seismology as a tool to diagnose the coronae of X
... ξ-Boo is reported for the first time as observed by EPIC/MOS of the XMM-Newton satellite during the epoch on 19 January 2001. The X-ray light curve is investigated with wavelet and periodogram analyses, which show oscillations of the period of 1019 s interpreted as a fundamental fast-kink mode of ma ...
... ξ-Boo is reported for the first time as observed by EPIC/MOS of the XMM-Newton satellite during the epoch on 19 January 2001. The X-ray light curve is investigated with wavelet and periodogram analyses, which show oscillations of the period of 1019 s interpreted as a fundamental fast-kink mode of ma ...
No Slide Title
... One neutrino is created for each 13 MeV of thermal energy The “Solar Constant”, S (Flux of solar radiation at Earth) is S 1.37 106 erg/cm2s Neutrino flux at Earth, φν, ...
... One neutrino is created for each 13 MeV of thermal energy The “Solar Constant”, S (Flux of solar radiation at Earth) is S 1.37 106 erg/cm2s Neutrino flux at Earth, φν, ...
Potential for Life on the Terrestrial Planets
... similar to that of the Earth, due to Coronal Mass Ejection (CME)-induced ion pick up within close-in habitable zones of active M-type dwarf stars is investigated. Since Mstars are active at the X-ray and EUV radiation wavelengths over long time periods we have applied a thermal balance model at vari ...
... similar to that of the Earth, due to Coronal Mass Ejection (CME)-induced ion pick up within close-in habitable zones of active M-type dwarf stars is investigated. Since Mstars are active at the X-ray and EUV radiation wavelengths over long time periods we have applied a thermal balance model at vari ...
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 ...
Relaxation of Blazar Induced Pair Beams in Cosmic Voids
... instabilities of the two-stream family. On this account, Broderick et al. (2012) conclude that transverse modes of the two-stream instability act on much shorter timescales than inverse Compton scattering, effectively inhibiting the cascade and invalidating the above magnetic field measurements. In ...
... instabilities of the two-stream family. On this account, Broderick et al. (2012) conclude that transverse modes of the two-stream instability act on much shorter timescales than inverse Compton scattering, effectively inhibiting the cascade and invalidating the above magnetic field measurements. In ...
PPT
... • Transfer from stability to instability occurs via a state of marginal (or normal) stability – w2 is real and decreases through zero, monotonic growth in perturbation. The marginal state is stationary (w=0) – Frequency (w) is complex and its Imaginary part decreases from + to -, a state of growing ...
... • Transfer from stability to instability occurs via a state of marginal (or normal) stability – w2 is real and decreases through zero, monotonic growth in perturbation. The marginal state is stationary (w=0) – Frequency (w) is complex and its Imaginary part decreases from + to -, a state of growing ...
A Rigid-Field Hydrodynamics approach to modelling the
... We introduce a new Rigid-Field Hydrodynamics approach to modelling the magnetospheres of massive stars in the limit of very strong magnetic fields. Treating the field lines as effectively rigid, we develop hydrodynamical equations describing the one-dimensional flow along each, subject to pressure, ...
... We introduce a new Rigid-Field Hydrodynamics approach to modelling the magnetospheres of massive stars in the limit of very strong magnetic fields. Treating the field lines as effectively rigid, we develop hydrodynamical equations describing the one-dimensional flow along each, subject to pressure, ...