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Oieroset_ARTEMIS_tail_science
Oieroset_ARTEMIS_tail_science

... Two-spacecraft measurements can be used to identify non-linear KH vortices which have been suggested to provide significant solar wind entry into the tail during northward IMF conditions. ...
Blazar Observations in Infrared and Optical Regions: Magnetic Field
Blazar Observations in Infrared and Optical Regions: Magnetic Field

The Properties of Reconnection Current Sheets in GRMHD
The Properties of Reconnection Current Sheets in GRMHD

Static structure factor of electrons around a heavy positively charged
Static structure factor of electrons around a heavy positively charged

... charged particle, such as a proton or an heavy ion in a one component classical rare plasma which one encounters in semiconductors, ionosphere and intergalactic space to name a few examples, has been derived taking into account nonlinear effects [1]. The expression is dependent upon certain distance ...
Two-stream instability in collisionless shocks and foreshock
Two-stream instability in collisionless shocks and foreshock

... plasma slabs are magnetized such that ωp = 2ωc and β = 0.05. The magnetic field B is aligned with the z-axis. The slabs move along the x-direction and collide at a speed of 4.5 VA . A forward and reverse shock develop, as shown by the supplementary movie 1. The plasma in the overlap region of the pl ...
Discovery Of A Magnetic Field In The O9 Sub-Giant Star HD
Discovery Of A Magnetic Field In The O9 Sub-Giant Star HD

... The longitudinal magnetic field (B  ) was inferred from each LSD Stokes V profile in the manner described by Silvester et al. (2009). The longitudinal field measurements, which are reported in Table 1, vary between −167 G and +282 G, with a typical uncertainty of 20–40 G. While the longitudinal fie ...
Lecture 9 - Angular Momentum Transport
Lecture 9 - Angular Momentum Transport

PDF
PDF

... universe). For the typical width of the universe the latency for excess correlation across its extent would be about 8 min. In other words it would not be “instantaneous”, although it would appear as such for current comparisons even when “perceiving” distances of separation of thousands of parsecs. ...
KU Department of Physics and Astronomy Orientation for Potential
KU Department of Physics and Astronomy Orientation for Potential

my brief profile
my brief profile

... Equation by replacing zero with a fundamental term , thereby trying to explain Super fluidity concepts by taking magnetic monopole assumptions and magnetic field generation during rotation of Super fluid Helium which can be utilized in understanding Pulsars ( Pulsating Radio stars) or neutron stars ...
Earth`s magnetic field – what is it good for?
Earth`s magnetic field – what is it good for?

Classification of magnetized star-planet interactions: dynamics and
Classification of magnetized star-planet interactions: dynamics and

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Chapter 29.2 notes with lines

Fine and hyperfine structure
Fine and hyperfine structure

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Determining the radial distribution of the emission coefficient from a

Structure of the nucleus • It is now known that the nucleus consists of
Structure of the nucleus • It is now known that the nucleus consists of

plasma/tokamak (alex/steve)new - General Atomics Fusion Education
plasma/tokamak (alex/steve)new - General Atomics Fusion Education

Probing of Nanostructured Surfaces at Attosecond Timescales
Probing of Nanostructured Surfaces at Attosecond Timescales

1. Introduction - The National Academies of Sciences, Engineering
1. Introduction - The National Academies of Sciences, Engineering

Modeling and experimental studies of radical formation in RF discharges with etching gases
Modeling and experimental studies of radical formation in RF discharges with etching gases

Black Hole`` Systems.`
Black Hole`` Systems.`

... accretion disk. The magnetic propeller also creates radial outflows of atomic nuclei (shown in indigo blue) and relativistic jets of electrons (shown in red) along the rotation axis. A bright blue-white ring forms where the MECO's rotating magnetic field sweeps the inner edge of the accretion disk, ...
Coronal activity from dynamos in astrophysical
Coronal activity from dynamos in astrophysical

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08 October: Stellar life after the Main Sequence

... Sequence. What happens after? ...
model the Earth`s and Sun`s magnetic fields using a
model the Earth`s and Sun`s magnetic fields using a

... a cow magnet along the axis of the Earth in the picture (over the magnet in the picture). Where is the North Pole in the picture? The South Pole? Do these areas relate to the poles of the magnet? 6. Explain that the magnetic North Pole of the Earth is relatively close to the geographic North Pole; t ...
Radiative energy transport
Radiative energy transport

... • In the radiative zone of the solar interior, the energy is transported by radiation: mean free path of photons is small (~2 cm). • The radiative energy exchange in the photosphere defines its temperature structure and is responsible for convective instability. • In the photosphere photons escape: ...
< 1 ... 26 27 28 29 30 31 32 33 34 ... 39 >

Spheromak

Not to be confused with the spherical tokamak, another topic in fusion research.A spheromak is an arrangement of plasma formed into a toroidal shape similar to a smoke ring. The spheromak contains large internal electric currents and their associated magnetic fields arranged so the magnetohydrodynamic forces within the spheromak are nearly balanced, resulting in long-lived (microsecond) confinement times without external fields. Spheromaks belong to a type of plasma configuration referred to as the compact toroids.The physics of the spheromak and their collisions is similar to a variety of astrophysical events, like coronal loops and filaments, relativistic jets and plasmoids. They are particularly useful for studying magnetic reconnection events, when two or more spheromaks collide. Spheromaks are easy to generate using a ""gun"" that ejects spheromaks off the end of an electrode into a holding area, called the flux conserver. This has made them useful in the laboratory setting, and spheromak guns are relatively common in astrophysics labs. These devices are often, confusingly, referred to simply as ""spheromaks"" as well; the term has two meanings.Spheromaks have been proposed as a magnetic fusion energy concept due to their long confinement times, which was on the same order as the best tokamaks when they were first studied. Although they had some successes during the 1970s and 80s, these small and lower-energy devices had limited performance and most spheromak research ended when fusion funding was dramatically curtailed in the late 1980s. However, in the late 1990s research demonstrated that hotter spheromaks have better confinement times, and this led to a second wave of spheromak machines. Spheromaks have also been used to inject plasma into a bigger magnetic confinement experiment like a tokamak.
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