Accurate free—free Gaunt factors for astrophysical plasmas [PDF]
Ralph S. Sutherland
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Level populations for Be-sequence ions in astrophysical plasmas [PDF]
F. P. Keenan +4 more
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Relativistic Astrophysical Plasmas
Selected theoretical topics in high energy astrophysics are discussed. Firstly an account is given of accretion disks around a massive black hole and radiation processes in hot thermal plasmas. Then recent studies on the effects of electron-positron pairs in relativistic thermal plasmas are summarized.
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Wave Propagation in Anisotropic Magnetically Quantized Ion Plasma with Trapped Electron and Positron
This study examines the effects of magnetically quantized degenerate trapped electrons and positrons on small-amplitude ion acoustic shock waves (IAShWs) in a pair ion plasma using the Zakharov-Kuznetsov Burger (ZKB) equation.
Balaram Pradhan +2 more
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Dielectronic recombination rates in astrophysical plasmas [PDF]
P. Quarati +3 more
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Investigating the Role of Inward Alfvén Waves and Structures in the Slow Solar Wind
The solar wind dynamics are thought to be governed by counter-propagating Alfvén waves. Alfvén waves generate a turbulent cascade through nonlinear couplings between shearing wave packets. However, imbalances, structures, and intermittency complicate the
Michael Terres, Gang Li
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Lower-hybrid oscillations in a cold magnetized electron-positron-ion plasma
In this paper, we obtain the dispersion relation for the lower-hybrid oscillations/waves in a cold magnetized electron-positron-ion (e-p-i) plasma. It is found that the frequency of the lower-hybrid oscillations in an e-p-i plasma is approximate 1/3 ...
Prabal Singh Verma
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Benchmarking calculations of excitation energies and transition properties with spectroscopic accuracy of highly charged ions used for the fusion plasma and astrophysical plasma [PDF]
Chunyu Zhang +7 more
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We report the first experimental detection of a reflected Alfvén wave from an Alfvén-speed gradient under conditions similar to those in coronal holes. The experiments were conducted in the Large Plasma Device at the University of California, Los Angeles.
Sayak Bose +8 more
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Atomic spectra and oscillator strengths for astrophysical and laboratory plasmas: ASOS-12 [PDF]
B. Barbuy, P. Beiersdörfer, Tomas Brage
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