Results 31 to 40 of about 398,638 (331)
Effects of a kappa distribution function of electrons on incoherent scatter spectra [PDF]
Annales Geophysicae, 2000 In usual incoherent scatter data analysis, the plasma distribution function is assumed to be Maxwellian. In space plasmas, however, distribution functions with a high energy tail which can be well modeled by a generalized Lorentzian distribution ...
S. Saito +4 more
doaj +1 more source
Is the Weibel instability enhanced by the suprathermal populations, or not? [PDF]
, 2010 The kinetic instabilities of the Weibel-type are presently invoked in a large variety of astrophysical scenarios because anisotropic plasma structures are ubiquitous in space. The Weibel instability is driven by a temperature anisotropy which is commonly
Lazar, M., Poedts, S., Schlickeiser, R.
core +2 more sources
Characterizing cometary electrons with kappa distributions [PDF]
Journal of Geophysical Research: Space Physics, 2016 AbstractThe Rosetta spacecraft has escorted comet 67P/Churyumov‐Gerasimenko since 6 August 2014 and has offered an unprecedented opportunity to study plasma physics in the coma. We have used this opportunity to make the first characterization of cometary electrons with kappa distributions.
Broiles, T. W. +19 more
openaire +4 more sources
Field-aligned conductance values estimated from Maxwellian and kappa distributions in quiet and disturbed events using Freja electron data [PDF]
Annales Geophysicae, 1998 We study the question of what difference it makes for the derived field-aligned conductance (K) values if one uses Maxwellian or kappa distributions for the fitting of low-orbiting satellite electron flux spectra in the auroral region.
A. Olsson, P. Janhunen, P. Janhunen
doaj +1 more source
Modeling interacting dynamic networks: I. Preferred degree networks and their characteristics [PDF]
, 2013 We study a simple model of dynamic networks, characterized by a set preferred degree, $\kappa$. Each node with degree $k$ attempts to maintain its $\kappa$ and will add (cut) a link with probability $w(k;\kappa)$ ($1-w(k;\kappa)$).
Jolad, Shivakumar +4 more
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General relativistic magnetohydrodynamical $\kappa$-jet models for Sgr A* [PDF]
, 2017 The observed spectral energy distribution of an accreting supermassive black hole typically forms a power-law spectrum in the Near Infrared (NIR) and optical wavelengths, that may be interpreted as a signature of accelerated electrons along the jet ...
Bronzwaer, Thomas +3 more
core +3 more sources
Geophysical Research Letters, 2018 The variations of plasma sheet proton properties during magnetospheric substorms at Earth and Mercury are comparatively studied. This study utilizes kappa distributions to interpret proton properties at both planets.
W. J. Sun +14 more
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Loading a relativistic Kappa distribution in particle simulations
Physics of Plasmas, 2022 A procedure for loading particle velocities from a relativistic kappa distribution in particle-in-cell and Monte Carlo simulations is presented. It is based on the rejection method and the beta prime distribution. The rejection part extends earlier method for the Maxwell–Jüttner distribution, and then the acceptance rate reaches ≳95%.
Seiji Zenitani, Shin'ya Nakano
openaire +2 more sources
Power-Law tailed statistical distributions and Lorentz transformations
, 2011 The present Letter, deals with the statistical theory [Phys. Rev. E {\bf 66}, 056125 (2002) and Phys. Rev E {\bf 72}, 036108 (2005)], which predicts the probability distribution $p(E) \propto \exp_{\kappa} (-I)$, where, $I \propto \beta E -\beta \mu$, is
Kaniadakis, G.
core +1 more source
Ground-state properties of one-dimensional anyon gases
, 2008 We investigate the ground state of the one-dimensional interacting anyonic system based on the exact Bethe ansatz solution for arbitrary coupling constant ($0\leq c\leq \infty$) and statistics parameter ($0\leq \kappa \leq \pi$).
F. Wilczek +7 more
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