Search Results - "Leboeuf, J. N."

Nature of transport across sheared zonal flows in electrostatic ion-temperature-gradient gyrokinetic plasma turbulence by Sánchez, R, Newman, D E, Leboeuf, J-N, Decyk, V K, Carreras, B A

“…It is shown that the usual picture for the suppression of turbulent transport across a stable sheared flow based on a reduction of diffusive transport…”
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Generation of whistler mode emissions in the inner magnetosphere: An event study by Schriver, D., Ashour-Abdalla, M., Coroniti, F. V., LeBoeuf, J. N., Decyk, V., Travnicek, P., Santolík, O., Winningham, D., Pickett, J. S., Goldstein, M. L., Fazakerley, A. N.

“…On July 24, 2003, when the Cluster 4 satellite crossed the magnetic equator at about 4.5 RE radial distance on the dusk side (∼15 MLT), whistler wave emissions…”
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High-resolution magnetohydrodynamic equilibrium code for unity beta plasmas by Gourdain, P.-A., Leboeuf, J.-N., Neches, R.Y.

“…There is great interest in the properties of extremely high-β magnetohydrodynamic equilibria in axisymmetric toroidal geometry and the stability of such…”
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Dual equilibrium in a finite aspect ratio tokamak by Gourdain, P.-A., Leboeuf, J.-N.

“…A new approach to high pressure magnetically-confined plasmas is necessary to design efficient fusion devices. This Letter presents a new sort of equilibrium…”
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Stability of highly shifted equilibria in a large-aspect-ratio tokamak by Gourdain, P-A, Cowley, S C, Leboeuf, J-N, Neches, R Y

“…High beta poloidal tokamaks can confine plasma pressures an order of magnitude higher than their low beta poloidal counterparts. The theoretical stability of…”
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Instabilities driven by ion shell distributions observed by Cluster in the midaltitude plasma sheet boundary layer by Ashour‐Abdalla, M., Leboeuf, J. N., Schriver, D., Bosqued, J.‐M., Cornilleau‐Wehrlin, N., Sotnikov, V., Marchaudon, A., Fazakerley, A. N.

“…Cluster observations in the near‐Earth plasma sheet boundary layer (PSBL) region have shown the presence of ion shell distributions related to…”
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Dynamics of Plume Propagation and Splitting during Pulsed-Laser Ablation by Wood, R. F., Chen, K. R., Leboeuf, J. N., Puretzky, A. A., Geohegan, D. B.

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Dynamics of a supersonic plume moving along a magnetized plasma by Tsung, F S, Morales, G J, Leboeuf, J N

“…A particle-in-cell code is used to investigate the evolution of a density plume moving through a background plasma with supersonic speed directed along the…”
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Scattering of Electromagnetic Waves in the Presence of Wave Turbulence Excited by a Flow With Velocity Shear by Sotnikov, V I, Leboeuf, J N, Mudaliar, S

“…It is well known that an incompressible sheared flow with an inflection point in the velocity profile will result in the formation of turbulent vortices. In…”
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Hybrid Simulation of Collisionless Shock Formation in Support of Laboratory Experiments at Unr by Sotnikov, V I, Ruhl, H, Presura, R, Cowan, T, Leboeuf, J N, Hellinger, P, Travnicek, P

“…The problem of producing collisionless shocks in the laboratory is of great interest for space and astrophysical plasmas. One approach is based on the idea of…”
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Hybrid simulations of Z-pinches by Sotnikov, V.I., Bauer, B.S., Leboeuf, J.N., Hellinger, P., Trávnı́ček, P., Fiala, V.

“…Three-dimensional hybrid simulations with kinetic ions and fluid electrons of Z-pinch plasmas are being used to investigate the linear and nonlinear…”
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Accelerated expansion of laser-ablated materials near a solid surface by Chen, KR, Leboeuf, JN, Wood, RF, Geohegan, DB, Donato, JM, Liu, CL, Puretzky, AA

“…This paper demonstrates the effect of dynamic source that accelerates the unsteady expansion front in the direction perpendicular to the target surface…”
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Modeling of dynamical processes in laser ablation by Leboeuf, J.N., Chen, K.R., Donato, J.M., Geohegan, D.B., Liu, C.L., Puretzky, A.A., Wood, R.F.

“…Various physics and computational approaches have been developed to globally characterize phenomena important for film growth by pulsed-laser deposition of…”
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Krook collisional models of the kinetic susceptibility of plasmas by Opher, M, Morales, G J, Leboeuf, J N

“…An assessment is made of Krook collisional models used to describe the kinetic behavior of collective oscillations, i.e., when Landau damping and collisions…”
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Laser-solid interaction and dynamics of laser-ablated materials by Chen, K.R., Leboeuf, J.N., Wood, R.F., Geohegan, D.B., Donato, J.M., Liu, C.L., Puretzky, A.A.

“…An annealing model is extended to treat the vaporization process, and a hydrodynamic model describes the ablated material. We find that dynamic source and…”
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Investigation of flute instability in application to laboratory astrophysics and Z-pinch experiments by Sotnikov, V. I., Ivanov, V. V., Presura, R., Yassin, E., Kindel, J., Leboeuf, J. N., Onishchenko, O. G., Oliver, B. V., Jones, B., Mehlhorn, T. A., Deeney, C.

“…Interaction of plasma flows with magnetic fields can lead to excitation of flute-like oscillations. These oscillations can also be excited in Z-pinch plasmas…”
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The numerical tokamak project: simulation of turbulent transport by Cohen, B.I., Barnes, D.C., Dawson, J.M., Hammett, G.W., Lee, W.W., Kerbel, G.D., Leboeuf, J.-N., Liewer, P.C., Tajima, T., Waltz, R.E.

“…Three-dimensional fluid and kinetic models are being used to simulate the turbulent confinement of energy and plasma in the core of tokamaks. These simulations…”
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Excitation of Electromagnetic Flute Modes in the Process of Interaction of Plasma Flow with Inhomogeneous Magnetic Field by Sotnikov, VI, Presura, R, Ivanov, V V, Cowan, TE, Leboeuf, J N, Oliver, B V

“…Laboratory experiments on the interaction of a plasma flow, produced by laser ablation of a solid target with the inhomogeneous magnetic field from the Zebra…”
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Dynamics of plume propagation, splitting, and nanoparticle formation during pulsed-laser ablation by Wood, R.F., Leboeuf, J.N., Chen, K.R., Geohegan, D.B., Puretzky, A.A.

“…A new approach has been developed for modelling the expansion of laser-generated plumes into low pressure gases, where, initially, the mean free path may be…”
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Alpha destabilization of the TAE mode using a reduced gyrofluid model with Landau closure by Spong, D A, Carreras, B A, Hedrick, C L, Dominguez, N, Charlton, L A, Christenson, P J, Leboeuf, J-N

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