Results 31 to 40 of about 150,813 (163)

Transport coefficients in modified Kappa distributed plasmas [PDF]

open access: yesAnnales Geophysicae
This work derives transport coefficients, i.e., electrical conductivity, thermoelectric, diffusion, and mobility coefficients, for a Lorentz plasma with a modified Kappa distribution.
M. J. Jwailes   +2 more
doaj   +1 more source

Langevin based turbulence model and its relationship with Kappa distributions

open access: yesScientific Reports, 2022
Kappa distributions (or $$\kappa $$ κ -like distributions) represent a robust framework to characterize and understand complex phenomena with high degrees of freedom, as turbulent systems, using non-extensive statistical mechanics.
Iván Gallo-Méndez, Pablo S. Moya
doaj   +1 more source

Atomic wavelength in a kappa-distribution plasma [PDF]

open access: yesJournal of Physics: Conference Series, 2015
We investigate the plasmas screening effect on the transition wavelength for helium atom using correlated exponential wave functions within the framework of Ritz variational principle. Transition wavelengths are presented as functions of plasma screening parameters.
Sabyasachi Kar   +3 more
openaire   +1 more source

Nonlinear dynamics of the dissipative ion-acoustic solitary waves in anisotropic rotating magnetoplasmas

open access: yesOpen Physics
This study explores the nonlinear dynamics of ion-acoustic waves (IAWs) in a magnetized, collisional, anisotropic rotating plasma that includes hot ions, superthermal electrons, and positrons. Anisotropic ion pressure is defined using the Chew–Goldberger–
Albalawi Wedad   +6 more
doaj   +1 more source

Kappa Distribution Function Effects on Landau Damping in Electrostatic Vlasov Simulation

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2013
The non-thermal high-energy electron effects on Langmuir wave-particle interaction are investigated using an initial value approach. A Vlasov-Poisson simulation is employed based on the splitting scheme by Cheng and Knorr (1976).
Yue-Hung Chen   +2 more
doaj   +1 more source

The current-voltage relationship revisited: exact and approximate formulas with almost general validity for hot magnetospheric electrons for bi-Maxwellian and kappa distributions [PDF]

open access: yesAnnales Geophysicae, 1998
We derive the current-voltage relationship in the auroral region taking into account magnetospheric electrons for the bi-Maxwellian and kappa source plasma distribution functions.
P. Janhunen, P. Janhunen, A. Olsson
doaj   +1 more source

Kaniadakis Entropy Leads to Particle–Hole Symmetric Distribution

open access: yesEntropy, 2022
We discuss generalized exponentials, whose inverse functions are at the core of generalized entropy formulas, with respect to particle–hole (KMS) symmetry.
Tamás S. Biró
doaj   +1 more source

A Nonextensive Entropy Approach to Kappa-Distributions

open access: yesAstrophysics and Space Science, 2002
Most astrophysical plasmas are observed to have velocity distribution functions exhibiting non-Maxwellian suprathermal tails. The high energy particle populations are accurately represented by the family of kappa-distributions where the use of these distributions has been unjustly criticized because of a perceived lack of theoretical justification.
openaire   +2 more sources

The Four-Parameter Kappa Distribution in Prediction of Standardized Precipitation Index [PDF]

open access: yesعلوم و مهندسی آبیاری, 2012
The standardized precipitation index (SPI) isused vastly for drought monitoring. Among the many of drought indices, theusing of SPI for drought events in various time scales is more important.
Y. Hassanzadeh, A. Abdi Kordani
doaj  

Home - About - Disclaimer - Privacy