Results 111 to 120 of about 154 (149)

Milestone in predicting core plasma turbulence: successful multi-channel validation of the gyrokinetic code GENE. [PDF]

Nat Commun
Höfler K, Görler T, Happel T, Lechte C, Molina P, Bergmann M, Bielajew R, Conway GD, David P, Denk SS, Fischer R, Hennequin P, Jenko F, McDermott RM, White AE, Stroth U, ASDEX Upgrade Team.   +16 more
europepmc   +1 more source

Outstanding Questions and Future Research on Magnetic Reconnection. [PDF]

Space Sci Rev
Nakamura R, Burch JL, Birn J, Chen LJ, Graham DB, Guo F, Hwang KJ, Ji H, Khotyaintsev YV, Liu YH, Oka M, Payne D, Sitnov MI, Swisdak M, Zenitani S, Drake JF, Fuselier SA, Genestreti KJ, Gershman DJ, Hasegawa H, Hoshino M, Norgren C, Shay MA, Shuster JR, Stawarz JE.   +24 more
europepmc   +1 more source

The Interplay Between Collisionless Magnetic Reconnection and Turbulence. [PDF]

Space Sci Rev
Stawarz JE, Muñoz PA, Bessho N, Bandyopadhyay R, Nakamura TKM, Eriksson S, Graham DB, Büchner J, Chasapis A, Drake JF, Shay MA, Ergun RE, Hasegawa H, Khotyaintsev YV, Swisdak M, Wilder FD.   +15 more
europepmc   +1 more source

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Exceptional points in linear gyrokinetics

Physics of Plasmas, 2008
When performing linear gyrokinetic simulations, it is found that various types of microinstabilities, which are usually considered as strictly separated, can actually be transformed into each other via continuous variations of the plasma parameters. This behavior can be explained in terms of so-called exceptional points, which have their origin in the ...
F Merz, F Jenko, Meo F
exaly   +3 more sources

Generalized gyrokinetics

The Physics of Fluids, 1985
A nonlinear gyrokinetic formalism is developed which admits mean velocities comparable to thermal speeds in arbitrary magnetic field geometry. The theory is fully electromagnetic and does not employ an eikonal ansatz. The moments of the gyrokinetic distribution function, as well as the gyrokinetic equation it satisfies, are derived to first order in ...
Bernstein, Ira B., Catto, Peter J.
openaire   +2 more sources

On the gyrokinetic equilibrium

Physics of Plasmas, 2000
Recent developments in gyrokinetic-magnetohydrodynamics (MHD) theory and in electromagnetic gyrokinetic particle simulations raise the question of consistency between the gyrokinetic model and the fluid model. Due to the special characteristics of the guiding center coordinates, it is a nontrivial exercise to show this consistency.
H. Qin, W. M. Tang, G. Rewoldt, W. W. Lee   +3 more
openaire   +1 more source

Krylov–Boholiubov Methods and Gyrokinetics

Physica Scripta, 2001
Summary: The asymptotic theory of charged particle motion in electromagnetic fields is developed for the general case of finite Larmor-radius effects by means of the Krylov-Bogoliubov averaging method. The correspondence between the general asymptotic methods, elaborated by M. Krylov and M. Bogoliubov, the quasi-particle description and gyrokinetics is
Petro P Sosenko, Pierre Bertrand, Viktor K Decyk   +2 more
exaly   +3 more sources

An Eulerian gyrokinetic-Maxwell solver

Journal of Computational Physics, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Candy, J., Waltz, R. E.
openaire   +1 more source

Gyrokinetic perpendicular dynamics

Physics of Plasmas, 1999
Gyrokinetic perpendicular dynamics, an important component not systematically considered in previous gyrokinetic theories, is identified and developed. A “distribution function” S and its governing gyrokinetic equation are introduced to describe the gyrokinetic perpendicular dynamics.
H. Qin, W. M. Tang, W. W. Lee, G. Rewoldt   +3 more
openaire   +1 more source

General frequency gyrokinetics

The Physics of Fluids, 1983
A gyrokinetic formalism is developed which enables a treatment of linear waves of arbitrary wave frequency ω for general magnetic field geometries. The treatment is an extension of previous gyrokinetic techniques which were restricted to the low-frequency (ω<Ω) regime.
Lee, X. S., Myra, J. R., Catto, Peter J.
openaire   +1 more source