Growth of the inner core in the mean
... planet, can change spatial spectrum of the observable magnetic field. These more or less evident assumptions were already tested in some 3D models, however the obtained conclusions still can not provide the robust scenario of the core evolution, supported by the paleomagnetic measurements [Reshetnya ...
... planet, can change spatial spectrum of the observable magnetic field. These more or less evident assumptions were already tested in some 3D models, however the obtained conclusions still can not provide the robust scenario of the core evolution, supported by the paleomagnetic measurements [Reshetnya ...
БЕЗОТРАЖАТЕЛЬНОЕ ПРОХОЖДЕНИЕ ВОЛНЫ ЧЕР
... The effective transillumination of inhomogeneous plasma structures for incident electromagnetic waves is very important for such applications as dense plasma heating by the powerful electromagnetic radiation, the understanding of mechanisms for escape of radiation from sources placed in a high densi ...
... The effective transillumination of inhomogeneous plasma structures for incident electromagnetic waves is very important for such applications as dense plasma heating by the powerful electromagnetic radiation, the understanding of mechanisms for escape of radiation from sources placed in a high densi ...
Analytical estimates of the resistivity due to ion
... • Current-driven Ion-Acoustic Waves – finite drift between electrons and ions ...
... • Current-driven Ion-Acoustic Waves – finite drift between electrons and ions ...
David L. Meier, , 84 (2001); DOI: 10.1126/science.291.5501.84
... Relativistic jets are common in the astrophysical environment. Objects known or suspected to produce them include the following. Radio galaxies and quasars. The extragalactic radio sources produce by far the largest and most energetic jets in the universe, although they do not produce the fastest on ...
... Relativistic jets are common in the astrophysical environment. Objects known or suspected to produce them include the following. Radio galaxies and quasars. The extragalactic radio sources produce by far the largest and most energetic jets in the universe, although they do not produce the fastest on ...
Nanoscale magnetometry with NV centers in diamond
... spin resonance (ESR) spectra,12 for instance, can be used for to the sample of interest in addition to small detection volume magnetic field sensing, as spin resonance frequencies shift proof the sensor, since the magnetic field from individual spins, portional to external magnetic fields (Figure 1b). ...
... spin resonance (ESR) spectra,12 for instance, can be used for to the sample of interest in addition to small detection volume magnetic field sensing, as spin resonance frequencies shift proof the sensor, since the magnetic field from individual spins, portional to external magnetic fields (Figure 1b). ...
Thermal conduction effects on the kink instability in coronal loops
... is likely to be thermal and there is no direct evidence of significant electron acceleration. Assessing the validity of the SpitzerHärm conductivity would require a kinetic treatment and is beyond the scope of these fluid simulations. Bell et al. (1981) have shown that the Spitzer-Härm thermal condu ...
... is likely to be thermal and there is no direct evidence of significant electron acceleration. Assessing the validity of the SpitzerHärm conductivity would require a kinetic treatment and is beyond the scope of these fluid simulations. Bell et al. (1981) have shown that the Spitzer-Härm thermal condu ...
3D WHOLE-PROMINENCE FINE STRUCTURE MODELING
... the main body of the filament separates into two parts. The gap between them is caused by the absence of dips, not an absence of plotted field lines. Full details of the 3D NLFF prominence magnetic field simulations can be found in Mackay & van Ballegooijen (2009). In this paper we use the simulatio ...
... the main body of the filament separates into two parts. The gap between them is caused by the absence of dips, not an absence of plotted field lines. Full details of the 3D NLFF prominence magnetic field simulations can be found in Mackay & van Ballegooijen (2009). In this paper we use the simulatio ...
The origin of magnetism on the upper main sequence
... like those found in the Orion observations, are not very common among the general class of massive stars, so there is a clusterto-cluster variation. Thus, all these studies support an incidence of magnetism among O-type stars of 25 per cent at a level B 100 G, although it should be noted that the ...
... like those found in the Orion observations, are not very common among the general class of massive stars, so there is a clusterto-cluster variation. Thus, all these studies support an incidence of magnetism among O-type stars of 25 per cent at a level B 100 G, although it should be noted that the ...
Magnetic fields generated by r-modes in accreting quark stars
... Braithwaite & Nordlund 2006). The buoyancy instability occurs for Bcr 1015 G (Haensel & Zdunik 2006), therefore it is not relevant in our calculations. It is very important that the formation and subsequent stabilization of magnetic fields in the core of compact stars leads to different scenarios d ...
... Braithwaite & Nordlund 2006). The buoyancy instability occurs for Bcr 1015 G (Haensel & Zdunik 2006), therefore it is not relevant in our calculations. It is very important that the formation and subsequent stabilization of magnetic fields in the core of compact stars leads to different scenarios d ...
Jets in Active Galactic Nuclei Alan P. Marscher
... roughly self-similar over several orders of magnitude in distance from the black hole. This is easiest to understand if the jets are mainly fluid phenomena so that they are governed by the laws of gas dynamics and magnetohydrodynamics. Images of jets contain a bright, nearly unresolved “core” at the ...
... roughly self-similar over several orders of magnitude in distance from the black hole. This is easiest to understand if the jets are mainly fluid phenomena so that they are governed by the laws of gas dynamics and magnetohydrodynamics. Images of jets contain a bright, nearly unresolved “core” at the ...
Pickup ions near Mars associated with escaping oxygen atoms
... Rm). The bow shock crossings are evident in the magnetic field strength jumps in Figure 2. The SLED ion fluxes show a modulation at the spacecraft spin rate, which indicates that the ion distributions were anisotropic. Typical peak ion fluxes in channel 1 were 1000 cm2 s1 sr1 near the inbound sh ...
... Rm). The bow shock crossings are evident in the magnetic field strength jumps in Figure 2. The SLED ion fluxes show a modulation at the spacecraft spin rate, which indicates that the ion distributions were anisotropic. Typical peak ion fluxes in channel 1 were 1000 cm2 s1 sr1 near the inbound sh ...
Who’s Afraid of a Stellar Superflare? Rachel Osten GSFC
... is orders of magnitude larger and can be a significant effect ...
... is orders of magnitude larger and can be a significant effect ...
QAT Trial 2013
... The half-life of a certain radioactive isotope is known to be 1 second when measured in a laboratory on Earth. Nevertheless, when a stream of these isotopes is accelerated to a very high speed, and then sent a distance of 6.0 108 m across space, the number of particles arriving at a particle detec ...
... The half-life of a certain radioactive isotope is known to be 1 second when measured in a laboratory on Earth. Nevertheless, when a stream of these isotopes is accelerated to a very high speed, and then sent a distance of 6.0 108 m across space, the number of particles arriving at a particle detec ...
The imprint of the crustal magnetic field on the thermal
... lines is strongly suppressed for high magnetic field strengths, because ωB ∝ B, and the anisotropy in the surface temperature is more pronounced. However, in some regimes, τe strongly depends on temperature, so that the so-called magnetization parameter ωB τe varies by several orders of magnitude du ...
... lines is strongly suppressed for high magnetic field strengths, because ωB ∝ B, and the anisotropy in the surface temperature is more pronounced. However, in some regimes, τe strongly depends on temperature, so that the so-called magnetization parameter ωB τe varies by several orders of magnitude du ...
McConnell XGPolarimetry SSE
... universe. Extensive multi-wavelength observations of GRBs and their long-wavelength Figure 4: Two types of GRB models [5]: (a) the physical afterglows have revealed the following model: synchrotron emission from an ordered magnetic field; physical picture [30-32]: long-duration (typi- (b) the geomet ...
... universe. Extensive multi-wavelength observations of GRBs and their long-wavelength Figure 4: Two types of GRB models [5]: (a) the physical afterglows have revealed the following model: synchrotron emission from an ordered magnetic field; physical picture [30-32]: long-duration (typi- (b) the geomet ...
the fragmentation of magnetized, massive star-forming
... by a factor of ∼3—has a natural explanation if massive cores do not fragment strongly as they collapse, but instead simply convert ∼1/3 of their mass into single massive stars or systems. The purpose of this paper is to address the question of how massive cores fragment via direct numerical simulati ...
... by a factor of ∼3—has a natural explanation if massive cores do not fragment strongly as they collapse, but instead simply convert ∼1/3 of their mass into single massive stars or systems. The purpose of this paper is to address the question of how massive cores fragment via direct numerical simulati ...
Document
... Magnetic fields start affecting NS equation of state and structure when B ≥ 1017 G. by contributing to the pressure. For most neutron stars, the effect is negligible. ...
... Magnetic fields start affecting NS equation of state and structure when B ≥ 1017 G. by contributing to the pressure. For most neutron stars, the effect is negligible. ...
The title of my PDF
... gas expands and cools, the photo-dissociation rates fall off very quickly with temperature. The neutron-capture rates, on the other hand, do not have as strong a temperature dependence and are mainly a function of neutron density (see Fig. 3). For an initially dense ejecta (which is of course the ca ...
... gas expands and cools, the photo-dissociation rates fall off very quickly with temperature. The neutron-capture rates, on the other hand, do not have as strong a temperature dependence and are mainly a function of neutron density (see Fig. 3). For an initially dense ejecta (which is of course the ca ...
IOSR Journal of Mathematics (IOSR-JM)
... It has been observed that high Hartmann number decreases the velocity as well as the skin friction. When the magneticfield is high it reducesthe energy loss through the plates. But large Nulsset number corresponds to more active convection. Also, when the Prandlt number increases it brought about a ...
... It has been observed that high Hartmann number decreases the velocity as well as the skin friction. When the magneticfield is high it reducesthe energy loss through the plates. But large Nulsset number corresponds to more active convection. Also, when the Prandlt number increases it brought about a ...
Department of Physics and Astronomy University of
... of heavy isotopes in dense stellar plasmas is not generally available, we need to derive theoretical values for the ionization degree. To this end we consider plasma conditions characteristic for s-process nucleosynthesis and calculate probabilities for various charged states and ionization stages ...
... of heavy isotopes in dense stellar plasmas is not generally available, we need to derive theoretical values for the ionization degree. To this end we consider plasma conditions characteristic for s-process nucleosynthesis and calculate probabilities for various charged states and ionization stages ...
Pion Production from Proton Synchrotron Radiation under Strong
... we have calculated the pion synchrotron radiation from high energy protons propagating in strong magnetic fields in a microscopic quantum field theoretical framework. We solved the Dirac equation in a strong magnetic field and obtained the proton propagator from its solution. Then, we derived the pioni ...
... we have calculated the pion synchrotron radiation from high energy protons propagating in strong magnetic fields in a microscopic quantum field theoretical framework. We solved the Dirac equation in a strong magnetic field and obtained the proton propagator from its solution. Then, we derived the pioni ...
Literature Review on the Formation of Active Regions
... activity. One of the most known ones are sunspots. Concentrations of magnetic field cause dark areas on the solar surface which have radii between 2 to 20 Mm and life times between one day to a few months. Their temperature is about 3000 to 4000 K, which is cooler than their surrounding with a tempe ...
... activity. One of the most known ones are sunspots. Concentrations of magnetic field cause dark areas on the solar surface which have radii between 2 to 20 Mm and life times between one day to a few months. Their temperature is about 3000 to 4000 K, which is cooler than their surrounding with a tempe ...
Nonlinear force-free field extrapolation in spherical geometry
... the solution of this boundary-value problem in a standard form of harmonic expansion in terms of eigen-solutions of the Laplace equation written in a spherical coordinate system, (r, θ, φ). − We minimize Lω (Eqs. (6)) iteratively without constraining Hobs at the photosphere boundary as in a previous ...
... the solution of this boundary-value problem in a standard form of harmonic expansion in terms of eigen-solutions of the Laplace equation written in a spherical coordinate system, (r, θ, φ). − We minimize Lω (Eqs. (6)) iteratively without constraining Hobs at the photosphere boundary as in a previous ...
ii. calculation method
... results from the different methods used to account for relativistic effects. Kaur et al. [8] reported relativistic distorted wave (RDW) results for DCSs for the electron impact excitation of lead for the fine-structure transitions 3P0 – 3P1, 3P2 and 1D2 and for all of the generalized polarization pa ...
... results from the different methods used to account for relativistic effects. Kaur et al. [8] reported relativistic distorted wave (RDW) results for DCSs for the electron impact excitation of lead for the fine-structure transitions 3P0 – 3P1, 3P2 and 1D2 and for all of the generalized polarization pa ...
Magnetic Fields in Stars
... compass—and magnetic fields have been found in some hundreds of stars during the past 50 yr. Magnetic fields have been detected in T Tauri stars and other pre-mainsequence stars, several types of main sequence stars, white dwarfs and neutron stars. We now know a number of methods by which such magne ...
... compass—and magnetic fields have been found in some hundreds of stars during the past 50 yr. Magnetic fields have been detected in T Tauri stars and other pre-mainsequence stars, several types of main sequence stars, white dwarfs and neutron stars. We now know a number of methods by which such magne ...
Polywell
The polywell is a type of nuclear fusion reactor that uses an electric field to heat ions to fusion conditions. It is closely related to the magnetic mirror, the fusor, the biconic cusp and the high beta fusion reactor. A set of electromagnets generates a magnetic field which traps electrons. This creates a negative voltage, which attracts positive ions. As the ions accelerate towards the negative center, their kinetic energy rises. If the ions collide in the center, they can fuse.The polywell is one of many devices that use an electric field to heat ions to fusion conditions. This branch of fusion research is known as inertial electrostatic confinement. The polywell was developed by Robert Bussard, as an improvement over the fusor. His company, EMC2, Inc., developed the initial devices for the U.S. Navy.