Zobrazeno 1 - 10
of 225
pro vyhledávání: '"Sulem, P. L."'
Publikováno v:
Fundamental Plasma Physics 11 (2024) 100055
A Hamiltonian two-field gyrofluid model is used to investigate the dynamics of an electron-ion collisionless plasma subject to a strong ambient magnetic field, within a spectral range extending from the magnetohydrodynamic (MHD) scales to the electro
Externí odkaz:
http://arxiv.org/abs/2401.03863
A two-field gyrofluid model including ion finite Larmor radius (FLR) corrections, magnetic fluctuations along the ambient field and electron inertia is used to study two-dimensional reconnection in a low $\beta_e$ collisionless plasma, in a plane per
Externí odkaz:
http://arxiv.org/abs/2311.01539
Publikováno v:
J. Plasma Phys. (2022), vol. 88, 905880312
A two-field Hamiltonian gyrofluid model for kinetic Alfv\'en waves retaining ion finite Larmor radius corrections and parallel magnetic field fluctuations is used to study direct turbulent cascades from the MHD to the sub-ion scales. For moderate ene
Externí odkaz:
http://arxiv.org/abs/2205.03292
Using an exact law for incompressible Hall magnetohydrodynamics (HMHD) turbulence, the energy cascade rate is computed from three-dimensional HMHD-CGL (bi-adiabatic ions and isothermal electrons) and Landau fluid (LF) numerical simulations that featu
Externí odkaz:
http://arxiv.org/abs/2109.03123
Publikováno v:
J. Plasma Phys. 86 (2020) 835860402
A Hamiltonian six-field gyrofluid model is constructed, based on closure relations derived from the so-called "quasi-static" gyrokinetic linear theory where the fields are assumed to propagate with a parallel phase velocity much smaller than the para
Externí odkaz:
http://arxiv.org/abs/2007.02290
Autor:
Passot, T., Sulem, P. L.
A two-field Hamiltonian gyrofluid model for kinetic Alfv\'en waves retaining ion finite Larmor radius corrections, parallel magnetic field fluctuations and electron inertia, is used to study turbulent cascades from the MHD to the sub-ion scales. Spec
Externí odkaz:
http://arxiv.org/abs/1902.04295
Autor:
Perrone, D., Passot, T., Laveder, D., Valentini, F., Sulem, P. L., Zouganelis, I., Veltri, P., Servidio, S.
Comparisons are presented between a hybrid Vlasov-Maxwell (HVM) simulation of turbulence in a collisionless plasma and fluid reductions. These include Hall-magnetohydrodynamics (HMHD) and Landau fluid (LF) or FLR-Landau fluid (FLR-LF) models that ret
Externí odkaz:
http://arxiv.org/abs/1804.01312
Publikováno v:
J. Plasma Phys. (2017), vol. 83, 715830402
Reduced fluid models for collisionless plasmas including electron inertia and finite Larmor radius corrections are derived for scales ranging from the ion to the electron gyroradii. Based either on pressure balance or on the incompressibility of the
Externí odkaz:
http://arxiv.org/abs/1704.02576
Akademický článek
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The cascade of kinetic Alfv\'en waves (KAWs) at the sub-ion scales in the solar wind is numerically simulated using a fluid approach that retains ion and electron Landau damping, together with ion finite Larmor radius corrections. Assuming initially
Externí odkaz:
http://arxiv.org/abs/1511.01256