Search Results - "Gekelman, W"

Excitation of Chirping Whistler Waves in a Laboratory Plasma by Van Compernolle, B, An, X, Bortnik, J, Thorne, R M, Pribyl, P, Gekelman, W

“…Whistler mode chorus emissions with a characteristic frequency chirp are important magnetospheric waves, responsible for the acceleration of outer radiation…”
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Experimental Observation of Convective Cell Formation due to a Fast Wave Antenna in the Large Plasma Device by Martin, M J, Gekelman, W, Van Compernolle, B, Pribyl, P, Carter, T

“…An experiment in a linear device, the Large Plasma Device, is used to study sheaths caused by an actively powered radio frequency (rf) antenna. The rf antenna…”
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Observation of collisionless shocks in a large current-free laboratory plasma by Niemann, C., Gekelman, W., Constantin, C. G., Everson, E. T., Schaeffer, D. B., Bondarenko, A. S., Clark, S. E., Winske, D., Vincena, S., Van Compernolle, B., Pribyl, P.

“…We report the first measurements of the formation and structure of a magnetized collisionless shock by a laser‐driven magnetic piston in a current‐free…”
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Spiky electric and magnetic field structures in flux rope experiments by Gekelman, W., Tang, S. W., DeHaas, T., Vincena, S., Pribyl, P., Sydora, R.

“…Magnetic flux ropes are structures that are common in the corona of the sun and presumably all stars. They can be thought of as the building blocks of solar…”
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Pulsating Magnetic Reconnection Driven by Three-Dimensional Flux-Rope Interactions by Gekelman, W, De Haas, T, Daughton, W, Van Compernolle, B, Intrator, T, Vincena, S

“…The dynamics of magnetic reconnection is investigated in a laboratory experiment consisting of two magnetic flux ropes, with currents slightly above the…”
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THREE-DIMENSIONAL RECONNECTION INVOLVING MAGNETIC FLUX ROPES by GEKELMAN, W, LAWRENCE, E, VAN COMPERNOLLE, B

“…Two and three magnetic flux ropes are created and studied in a well-diagnosed laboratory experiment. The twisted helical bundles of field lines rotate and…”
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Nonlocal Ohms Law, Plasma Resistivity, and Reconnection During Collisions of Magnetic Flux Ropes by Gekelman, W., DeHaas, T., Pribyl, P., Vincena, S., Compernolle, B. Van, Sydora, R., Tripathi, S. K. P.

“…The plasma resistivity was evaluated in an experiment on the collision of two magnetic flux ropes. Whenever the ropes collide, some magnetic energy is lost as…”
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Structure of an exploding laser-produced plasma by Collette, A, Gekelman, W

“…We describe the first-ever volumetric, time-resolved measurements performed with a moving probe within an expanding dense plasma, embedded in a background…”
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Termination of a magnetized plasma on a neutral gas: the end of the plasma by Cooper, C M, Gekelman, W

“…Experiments are performed at the Enormous Toroidal Plasma Device at UCLA to study the neutral boundary layer (NBL) between a magnetized plasma and a neutral…”
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Direct detection of resonant electron pitch angle scattering by whistler waves in a laboratory plasma by Van Compernolle, B, Bortnik, J, Pribyl, P, Gekelman, W, Nakamoto, M, Tao, X, Thorne, R M

“…Resonant interactions between energetic electrons and whistler mode waves are an essential ingredient in the space environment, and in particular in…”
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Erratum: Excitation of Chirping Whistler Waves in a Laboratory Plasma [Phys. Rev. Lett. 114, 245002 (2015)] by Van Compernolle, B, An, X, Bortnik, J, Thorne, R M, Pribyl, P, Gekelman, W

“…This corrects the article DOI: 10.1103/PhysRevLett.114.245002…”
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Generation of shear Alfvén waves by repetitive electron heating by Wang, Y., Gekelman, W., Pribyl, P., Van Compernolle, B., Papadopoulos, K.

“…ELF/ULF waves are powerful tools for submarine communication, geophysical mapping, and radiation belt remediation. However, due to their large wavelength (on…”
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Laboratory simulation of arched magnetic flux rope eruptions in the solar atmosphere by Tripathi, S K P, Gekelman, W

“…Dramatic eruption of an arched magnetic flux rope in a large ambient plasma has been studied in a laboratory experiment that simulates coronal loops. The…”
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Dynamics of an Erupting Arched Magnetic Flux Rope in a Laboratory Plasma Experiment by Tripathi, S. K. P., Gekelman, W.

“…A laboratory plasma experiment has been built to study the eruption of arched magnetic flux ropes (AMFRs) in the presence of a large magnetized plasma. This…”
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Experimental study of the dynamics of a thin current sheet by Gekelman, W, DeHaas, T, Van Compernolle, B, Daughton, W, Pribyl, P, Vincena, S, Hong, D

“…Many plasmas in natural settings or in laboratory experiments carry currents. In magnetized plasmas the currents can be narrow field-aligned filaments as small…”
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Development of a radio-frequency ion beam source for fast-ion studies on the large plasma device by Tripathi, S K P, Pribyl, P, Gekelman, W

“…A helium ion beam source (23 kV/2.0 A) has been constructed for studying fast-ion physics in the cylindrical magnetized plasma of the large plasma device…”
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Correlation analysis of waves above a capacitive plasma applicator by Gekelman, W, Barnes, M, Vincena, S, Pribyl, P

“…Capacitively coupled plasma glow discharges have been extensively used for materials processing in numerous industrial applications. Considerable research has…”
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Laboratory experiments on Alfvén waves caused by rapidly expanding plasmas and their relationship to space phenomena by Gekelman, W., Van Zeeland, M., Vincena, S., Pribyl, P.

“…There are many situations which naturally occur in space (coronal mass ejections, supernovas) or are man‐made (upper atmospheric detonations) in which a dense…”
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Debye-scale solitary structures measured in a beam-plasma laboratory experiment by Lefebvre, B., Chen, L.-J., Gekelman, W., Kintner, P., Pickett, J., Pribyl, P., Vincena, S.

“…Solitary electrostatic pulses have been observed in numerous places of the magnetosphere such as the vicinity of reconnection current sheets, shocks or auroral…”
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Collisionless interaction of an energetic laser produced plasma with a large magnetoplasma by Constantin, C., Gekelman, W., Pribyl, P., Everson, E., Schaeffer, D., Kugland, N., Presura, R., Neff, S., Plechaty, C., Vincena, S., Collette, A., Tripathi, S., Muniz, M. Villagran, Niemann, C.

“…We have commissioned a high-energy glass-laser at the Large Plasma Device (LAPD) to study the interaction of a dense laser-produced plasma with a large (17 m)…”
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