Search Results - "Maggs, J E"
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1
Generality of deterministic chaos, exponential spectra, and Lorentzian pulses in magnetically confined plasmas
Published in Physical review letters (28-10-2011)“…The dynamics of transport at the edge of magnetized plasmas is deterministic chaos. The connection is made by a previous survey [M. A. Pedrosa et al., Phys…”
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2
Laboratory realization of an ion-ion hybrid Alfvén wave resonator
Published in Geophysical research letters (01-06-2011)“…In a magnetized plasma with two ion species, shear Alfvén waves (or guided electromagnetic ion cyclotron waves) have zero parallel group velocity and…”
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3
Exponential frequency spectrum in magnetized plasmas
Published in Physical review letters (22-08-2008)“…Measurements of a magnetized plasma with a controlled electron temperature gradient show the development of a broadband spectrum of density and temperature…”
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4
Modification of turbulent transport with continuous variation of flow shear in the large plasma device
Published in Physical review letters (27-09-2012)“…Continuous control over azimuthal flow and shear in the edge of the Large Plasma Device (LAPD) has been achieved using a biasable limiter which has allowed a…”
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5
Laboratory realization of an Alfvén wave maser
Published in Physical review letters (18-07-2003)“…It is demonstrated that a frequency selective Alfvén-wave resonator can be realized by applying a nonuniform magnetic field to a plasma region bounded between…”
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6
Spontaneous thermal waves in a magnetized plasma
Published in Physical review letters (18-07-2008)“…Coherent temperature oscillations corresponding to thermal (diffusion) waves are observed to be spontaneously excited in a narrow temperature filament embedded…”
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7
Origin of Lorentzian pulses in deterministic chaos
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (13-07-2012)“…Pulses having a temporal Lorentzian shape arise naturally from topological changes in flow trajectories or phase-space orbits associated with deterministic…”
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8
Laboratory study of avalanches in magnetized plasmas
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (11-03-2015)“…It is demonstrated that a novel heating configuration applied to a large and cold magnetized plasma allows the study of avalanche phenomena under controlled…”
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9
Large-scale ionospheric modifications produced by nonlinear refraction of an hf wave
Published in Physical review letters (24-12-1990)“…Experimental observations and computer modeling results of large-scale density and temperature modifications created in a low-density, midlatitude, nighttime…”
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10
Isotropic model of fractional transport in two-dimensional bounded domains
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-05-2013)“…A two-dimensional fractional Laplacian operator is derived and used to model nonlocal, nondiffusive transport. This integro-differential operator appears in…”
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11
Experiments on the interaction of current channels in a laboratory plasma: relaxation to the force-free state
Published in IEEE transactions on plasma science (01-12-1992)“…A series of experiments on the dynamic interaction of two current channels has been performed in the large plasma device, a laboratory device at UCLA. The two…”
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12
A laboratory investigation of Alfvén wave refraction in a parallel gradient
Published in Journal of Geophysical Research - Space Physics (01-12-2002)“…We present a laboratory investigation of Alfvén wave refraction due to a gradient in the plasma beta along the magnetic field. Theoretically, it is expected…”
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13
Anomalous reflection exhibited by a generalized resonance-tunneling equation
Published in Physical review letters (09-06-1986)“…It is found that a generalized resonance-tunneling equation containing a first-derivative term having the coefficient alpha of not less than 0 can yield both…”
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14
Spontaneous fluctuations of a temperature filament in a magnetized plasma
Published in Physical review letters (14-02-2000)“…This experiment illustrates the spatiotemporal pattern of the fluctuations that spontaneously develop in a magnetized temperature filament whose transverse…”
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15
Observation of Simultaneous Axial and Transverse Classical Heat Transport in a Magnetized Plasma
Published in Physical review letters (26-10-1998)Get full text
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16
Possibility of detecting magnetospheric radio bursts from Uranus and Neptune
Published in Nature (London) (27-05-1976)“…The authors scale the intensity of MRBs to the solar wind input and the frequency of emission to the polar field strength to estimate the possibility of…”
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17
Whistler wave mode conversion to lower hybrid waves at a density striation
Published in Physical review letters (28-11-1994)“…The first observation of mode conversion of whistler waves to lower hybrid waves at a density striation has been made in a laboratory plasma. The observed…”
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18
Modification of turbulent transport with continuous variation of flow shear in the Large Plasma Device
Published 13-06-2012“…Continuous control over azimuthal flow and shear in the edge of the Large Plasma Device (LAPD) has been achieved using a biasable limiter which has allowed a…”
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19
Modifications of turbulence and turbulent transport associated with a bias-induced confinement transition in LAPD
Published 11-12-2008“…Azimuthal flow is driven in the edge of the Large Plasma Device (LAPD) [W. Gekelman, {\itshape et. al}, Rev. Sci. Instr. {\bfseries 62}, 2875 (1991)] through…”
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20
Exponential Frequency Spectrum in Magnetized Plasmas
Published in Physical review letters (22-08-2008)“…Measurements of a magnetized plasma with a controlled electron temperature gradient show the development of a broadband spectrum of density and temperature…”
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Journal Article