Academic literature on the topic 'Pure electron plasma'

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Journal articles on the topic "Pure electron plasma"

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Kargarian, A., K. Hajisharifi, and H. Mehdian. "Laser-driven electron acceleration in hydrogen pair-ion plasma containing electron impurities." Laser and Particle Beams 36, no. 2 (June 2018): 203–9. http://dx.doi.org/10.1017/s0263034618000174.

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AbstractIn this paper, the intense laser heating of hydrogen pair-ion plasma with and without electron impurities through investigation of related nonlinear phenomena has been studied in detail, using a developed relativistic particle-in-cell simulation code. It is shown that the presence of electron impurities has an essential role in the behavior of nonlinear phenomena contributing to the laser absorption including phase mixing, wave breaking, and stimulated scatterings. The inclusion of electron into an initial pure hydrogen plasma not only causes the occurrence of stimulated scattering considerably but also leads to the faster phase-mixing and wave breaking of the excited electrostatic modes in the system. These nonlinear phenomena increase the laser absorption rate in several orders of magnitude via inclusion of the electrons into a pure hydrogen pair-ion plasma. Moreover, results show that the electrons involved in enough low-density hydrogen pair-ion plasma can be accelerated to the MeV energy range.
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ABE, Sumiyoshi. "Tsallis' Nonextensive Statistical Mechanics and Pure-Electron Plasma." Journal of Plasma and Fusion Research 78, no. 1 (2002): 36–44. http://dx.doi.org/10.1585/jspf.78.36.

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Gould, Roy W., and Michael A. LaPointe. "Cyclotron resonance in a pure electron plasma column." Physical Review Letters 67, no. 26 (December 23, 1991): 3685–88. http://dx.doi.org/10.1103/physrevlett.67.3685.

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Gould, Roy W., and Michael A. LaPointe. "Cyclotron resonance phenomena in a pure electron plasma." Physics of Fluids B: Plasma Physics 4, no. 7 (March 1992): 2038–43. http://dx.doi.org/10.1063/1.860012.

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Eggleston, D. L., C. F. Driscoll, B. R. Beck, A. W. Hyatt, and J. H. Malmberg. "Parallel energy analyzer for pure electron plasma devices." Physics of Fluids B: Plasma Physics 4, no. 10 (October 1992): 3432–39. http://dx.doi.org/10.1063/1.860399.

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Kai, Zhao, Liu Wan-dong, Zhang Shou-biao, Wei Xiao, Xu Liang, Xie Jin-lin, and Yu Zhi. "Set-up of a Pure Electron Plasma Device." Plasma Science and Technology 4, no. 6 (December 2002): 1541–44. http://dx.doi.org/10.1088/1009-0630/4/6/006.

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Yu, J. H., and C. F. Driscoll. "Diocotron wave echoes in a pure electron plasma." IEEE Transactions on Plasma Science 30, no. 1 (February 2002): 24–25. http://dx.doi.org/10.1109/tps.2002.1003905.

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Crooks, S. M., and T. M. O’Neil. "Transport in a toroidally confined pure electron plasma." Physics of Plasmas 3, no. 7 (July 1996): 2533–37. http://dx.doi.org/10.1063/1.871971.

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Moody, J. D., and J. H. Malmberg. "Free expansion of a pure electron plasma column." Physical Review Letters 69, no. 25 (December 21, 1992): 3639–42. http://dx.doi.org/10.1103/physrevlett.69.3639.

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Anderson, M. W., and T. M. O’Neil. "Collisional damping of plasma waves on a pure electron plasma column." Physics of Plasmas 14, no. 11 (November 2007): 112110. http://dx.doi.org/10.1063/1.2807220.

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Dissertations / Theses on the topic "Pure electron plasma"

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PANZERI, NICOLA. "NONLINEAR WAVES EXCITATION AND INTERACTION IN PURE ELECTRON PLASMAS." Doctoral thesis, Università degli Studi di Milano, 2021. http://hdl.handle.net/2434/814967.

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Nonneutral plasmas are excellent subjects for well controlled studies on basic physics problems and industrial research over a wide range of parameters. For the long-time confinement, merger and recombination of antimatter, the method of choice is some variant of the Penning-Malmberg trap, and many of the techniques for the manipulation of charged particles, such as cooling, compression, transfer, and ultimately a stable confinement in a quiescent state, are based on methods first developed by the nonneutral plasma community using electron plasmas. Another fascinating properties of nonneutral plasmas is the fluid analogy: in a cold, magnetized, nonneutral plasma, the 2D transverse dynamics equations are isomorphic to the Euler equations for an ideal 2D fluid. Hence, a pure electron plasma in a Penning-Malmberg trap evolves as an inviscid, incompressible bidimensional fluid. The study and control of the various waves and instabilities is of great interest in physics, and it is often intertwined with non-linearity and turbulence. Experiments aimed at unveiling hidden dependencies between parameters or improve the control over non-equilibrium, unstable configurations can lead to the discover of new phenomena, and a more thorough understanding of basic plasma physics, like the excitation and interaction of different plasma modes in pure electron plasmas, is likely to be a useful tool for a range of applications. In this thesis work, we present the results of the experiments made on two different Penning-Malmberg traps on the excitation and interaction of nonlinear waves in pure electron plasmas. On the Eltrap device, located at the University of Milan, Italy, we perform experiments on the excitation and control of high order diocotron modes via the rotating electric field technique. On the CamV device, located at the University of California, San Diego, we investigate the newly discovered phenomenon of TG waves splitting due to the interaction with a diocotron mode.
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Kriesel, Jason Michael. "Experiments on viscous and asymmetry-induced transport in magnetized, pure electron plasmas /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC IP addresses, 1999. http://wwwlib.umi.com/cr/ucsd/fullcit?p9930899.

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Yu, Jonathan Hwa-Jing. "The diocotron echo and trapped-particle diocotron mode in pure electron plasmas /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2004. http://wwwlib.umi.com/cr/ucsd/fullcit?p3138835.

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NUR, MUHAMMAD. "Etudes des décharges couronne dans l'argon et l'azote très purs : transport des charges, spectroscopie et influence de la densité." Université Joseph Fourier (Grenoble), 1997. http://www.theses.fr/1997GRE10297.

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Cette these presente les resultats des etudes electriques et spectroscopiques des decharges couronnes en geometrie point-plan dans l'argon et l'azote tres purs (de la densite du gaz au liquide). Les phenomenes du transport des porteurs de charge tels que la mobilite des porteurs (electron et ions) et sa dependance avec la densite et la purete du fluides ont ete etudies a partir des mesures electriques. L'analyse spectroscopique a ete effectuee dans la zone d'ionisation (plasma hors-equilibre) : pour l'argon, les effets de la pression sur les raies atomiques tels que l'elargissement et le deplacement ont ete etudies. Dans la zone d'ionisation, les temperatures d'excitation (t#e#x#c. ), electronique (t#e) et du plasma (t#p) ont ete determinees, en utilisant l'emission des raies atomiques et le fond continu. Nous avons egalement distingue entre la zone d'ionisation et la zone de transport a partir de l'etude spatio-temporelle des spectres d'emission des raies atomiques et celui du rayonnement continu. Pour l'azote, les spectres d'emissions de la molecule excitee et de la molecule ionisee sont montres et analyses. A l'aide de l'analyse spectrale du deuxieme systeme positif (c#3u-b#3g) de n#2 et du premier systeme negatif (b#2#+#u - x#2#+#g) de n#2#+, nous avons determine les differentes temperatures (rotationnelle t#r t#p, vibrationnelle t#v et electronique t#e) de la zone de la decharge luminescente continue. L'etude spatio-temporelle des spectres d'emission dans cette decharge, nous a permis de distinguer la zone d'ionisation et la zone de transport a partir de l'analyse de l'emission des radicaux comme nh et cn. Nous discutons les resultats obtenus en les confrontant avec ceux obtenus par d'autres auteurs et par fois avec la theorie correspondente.
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Li, Sonny X. "Nitrogen doped zinc oxide thin film." Berkeley, Calif. : Oak Ridge, Tenn. : Lawrence Berkeley National Laboratory ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2003. http://www.osti.gov/servlets/purl/821916-VLVAK9/native/.

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Thesis (M.S.); Submitted to the University of California, Berkeley, 210 Hearst Mining Memorial Bldg., Berkeley, CA 94720 (US); 15 Dec 2003.
Published through the Information Bridge: DOE Scientific and Technical Information. "LBNL--54116" Li, Sonny X. USDOE Director. Office of Science. Basic Energy Sciences (US) 12/15/2003. Report is also available in paper and microfiche from NTIS.
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Allen, M. "Ion Acceleration from the Interaction of Ultra-Intense Lasers with Solid Foils." Washington, D.C : Oak Ridge, Tenn. : United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2004. http://www.osti.gov/servlets/purl/15011790-SSm9hY/native/.

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Thesis (Ph.D.); Submitted to the Univ. of California, Berkeley, CA (US); 24 Nov 2004.
Published through the Information Bridge: DOE Scientific and Technical Information. "UCRL-TH-208645" Allen, M. 11/24/2004. Report is also available in paper and microfiche from NTIS.
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Pillai, N. Sateesh. "Non-dissipative decay of linear quasimodes in a pure electron plasma." Thesis, 1995. https://thesis.library.caltech.edu/4051/1/Pillai_ns_1995.pdf.

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This thesis describes the first experimental observations of linear collisionless damping of perturbations in a pure electron plasma and provides the theoretical proof for collisionless damping in two dimensional inviscid incompressible fluids. Observations in the non-linear regime provide evidence for fluid trapping in the potential well of the perturbation.

The perturbations are in the form of diocotron waves which possess azimuthal symmetries described by the eigen number m = 2. The plasma is a cylindrical column of electrons confined in a Penning trap. Diocotron waves are excited by applying azimuthally propagating electric fields to the electrode structures forming the wall of the Penning trap.

Experiment shows that the damping of diocotron waves is not caused by dissipation at the electrode wall, and that the presence of such a dissipation decreases the decay rate of these waves, confirming that the m = 2 diocotron wave is a negative energy wave.

A self consistent set of equations for the perturbed potential is derived using the cold two dimensional fluid model. This results in the diocotron equation, which is the cylindrical plasma analog of Rayleigh's equation for shear flow of an inviscid incompressible fluid between parallel sheets. The complex form of the diocotron equation is solved, with homogeneous boundary conditions, for a particularly simple radial density profile showing that the diocotron resonances are quasimodes of the 2-D fluid. The solution reveals a complex eigenvalue which is consistent with the observed collisionless exponential damping of the diocotron wave in the linear regime.

Solution of the diocotron equation with more complicated density profiles is carried out numerically using the Runge-Kutta method on a computer.

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Bachman, David Alan. "Nonlinear phenomena in a pure electron plasma studied with a 2-D fluid code." Thesis, 1998. https://thesis.library.caltech.edu/299/1/Bachman_da_1998.pdf.

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This thesis presents a new computational tool for studying cylindrical pure electron plasmas. Previous research used linear methods to describe the evolution of small plasma perturbations. This new tool numerically solves the nonlinear two- dimensional (2-D) fluid equations in cylindrical coordinates, allowing the exploration of many phenomena that have been observed experimentally in these plasmas. Most experimentally observed phenomena are large in amplitude and follow nonlinear dynamics. Clearly, codes based on the linearized equations can not reproduce these nonlinear phenomena. The plasma was first studied for small amplitude perturbations using the nonlinear fluid code, producing results that agree with linearized calculations. The perturbed electric field decays in time, due to shear in the flow of density perturbations at different radii, which results in the total contribution to the perturbed electric field phase mixing away. At higher amplitudes, the decay envelope becomes modulated, which is a result that has been observed experimentally and is also reproduced by this fluid code. The modulation is caused by nonlinear trapping of fluid elements within the wave, which is illustrated in images of the perturbed density. For two applied pulses separated in time, a third echo response is observed after the responses to the two applied pulses have decayed away. Echoes have been observed experimentally in neutral plasmas, but have not yet been observed experimentally in non-neutral plasmas. At very high amplitudes, a nonlinear decay instability occurs. A high amplitude wave decays into a wave with lower azimuthal symmetry number due to an interaction occurring at the beat frequency between the two waves. The beat-wave decay instability has been observed experimentally, and is also observed using the 2-D nonlinear fluid code. The 2-D cylindrical nonlinear fluid code is capable of reproducing a wide range of non-neutral plasma phenomena, and is an important new tool for future research on non-neutral plasmas. This research is also relevant to ordinary fluids, since the equations describing a non-neutral plasma are analogous to the 2-D Euler equations for an inviscid fluid.
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Book chapters on the topic "Pure electron plasma"

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Sanpei, Akio, Kiyokazu Ito, Yukihiro Soga, Jun Aoki, and Yasuhito Kiwamoto. "Formation of a symmetric vortex configuration in a pure electron plasma trapped with a penning trap." In TCP 2006, 427–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-73466-6_53.

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O'NEIL, T. M., P. G. HJORTH, B. BECK, J. FAJANS, and J. H. MALMBERG. "COLLISIONAL RELAXATION OF A STRONGLY MAGNETIZED PURE ELECTRON PLASMA (THEORY AND EXPERIMENT)." In Strongly Coupled Plasma Physics, 313–24. Elsevier, 1990. http://dx.doi.org/10.1016/b978-1-4832-2908-9.50042-1.

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O′NEIL, T. M., P. G. HJORTH, B. BECK, J. FAJANS, and J. H. MALMBERG. "COLLISIONAL RELAXATION OF A STRONGLY MAGNETIZED PURE ELECTRON PLASMA (THEORY AND EXPERIMENT)." In Strongly Coupled Plasma Physics, 313–24. Elsevier, 1990. http://dx.doi.org/10.1016/b978-0-444-88363-6.50042-x.

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Purowski, Tomasz. "Ozdoby wykonane z „tworzyw szklistych” odkryte na cmentarzysku w Świbiu / Ornaments made of “glassy materials” from the cemetery at Świbie." In Cmentarzysko w wczesnej epoki żelaza w Świbiu na Górnym Śląsku. Tom 2, 238–78. Wydawnictwo Profil-Archeo, 2022. http://dx.doi.org/10.33547/swibie2022.2.13.

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Approximately 1,700 beads made of “glassy materials” were discovered in the Świbie cemetery (Figs 13.1–13.4; Table 13.1), the vast majority made of “glassy faience” rather than “true glass”. This is the largest collection of Hallstatt period beads from the territory of present-day Poland. The objects in question were found in at least 40 graves (more than 7% of all graves). Some beads formed necklaces adorning the neck of the deceased. Thanks to anthropological analysis, we know that they mostly accompanied deceased of adult age, presumably more often women than men. The collection of artefacts studied totals 1,676 beads, of which 117 (7%) were made of “true glass”, while 1,559 (93%) were made of “glassy faience” (a material containing numerous inclusions, usually quartz grains; Fig. 13.5); 172 specimens made of the latter material are decorated (with zigzag lines or dots and/or circles; Fig. 13.6) with yellow glass. In total, the analysed objects can be classified into 16 formal groups or subgroups according to the classification in Purowski 2012; 2019 (single specimens did not fit the classification). Small (< 1 cm), undecorated beads, blue in colour, are by far most numerous (Fig. 13.8). Formal analogies to the specimens found in the Świbie cemetery come mainly from Italy and Croatia (Fig. 13.7). Thirty-six samples of “glassy material” (body and decorative glass) from 22 beads were examined archaeometrically (Figs 13.9 and 13.10; Tables 13.2–13.15). Analyses were performed using two methods: Laser Ablation Inductively Coupled Plasma Mass Spectroscopy (LA-ICP-MS) (Fig. 13.11) and Electron Probe Micro-Analysis (EPMA) (Figs 13.15, 13.16, 13.18–13.20). Determining the contents of MgO and K2O – indicative of the type of the fluxing agent used – made it possible to distinguish two categories among the “true glasses” analysed: high magnesium glass (HMG) and low magnesium glass (LMG) (Fig. 13.13). Low magnesium and medium potassium glass (LMMK) and low magnesium glass of glassy faience (LMGGF) were identified among the “glassy faience” samples (Fig. 13.14). The glasses forming “glassy faience” (LMMK, LMGGF) and “true glass” (HMG, LMG) differ in both the contents of the main and trace components (Figs 13.21 and 13.22). Different raw materials were used to produce them, and they were added in unequal proportions. LMMK glasses were produced using sand and a difficult-to-identify flux, while LMGGF and LMG glasses were made using sand and mineral soda. HMG was manufactured using a pure source of silica (quartz stones or sand) and halophyte plant ash. “Glassy faience” is typically blue in colour; it was coloured with cobalt compounds. Light green glasses owe their colour primarily to copper compounds, while opaque yellow glasses were coloured with lead and antimony. “True glass” was produced in the Eastern Mediterranean, while “glassy faience” was made in European workshops (most probably Italian and “Slovenian-Croatian”). Artefacts made of “glassy faience” and dated to HaC–HaD1 are found in present-day Poland in a limited area encompassing Greater Poland, Silesia, and the adjacent part of western Lesser Poland. They were probably produced in Italy and the Balkans (Slovenia/Croatia), and then brought along what is known as the Amber Route, through the Alpine passes along the Danube and Morava Rivers to the Moravian Gate and further north. It was probably along the same route that beads made of “true glass”, less common in HaC–D1, found their way to south-western Poland. The material from which they were formed (“true glass”), however, was produced in Eastern Mediterranean areas rather than Europe (as was “glassy faience”).
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Conference papers on the topic "Pure electron plasma"

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Danielson, J. R., and C. F. Driscoll. "Measurement of plasma mode damping in pure electron plasmas." In Non-neutral plasma physics III. AIP, 1999. http://dx.doi.org/10.1063/1.1302122.

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Anderegg, Francois, C. Fred Driscoll, Daniel H. E. Dubin, Thomas M. O’Neil, James R. Danielson, and Thomas Sunn Pedersen. "Electron Acoustic Waves in Pure Ion Plasmas." In NON-NEUTRAL PLASMA PHYSICS VII: Workshop on Non-Neutral Plasmas 2008. AIP, 2009. http://dx.doi.org/10.1063/1.3122297.

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Bertsche, W. "Collisional Cooling of Pure Electron Plasmas Using CO2." In NON-NEUTRAL PLASMA PHYSICS V: Workshop on Non-Neutral Plasmas. AIP, 2003. http://dx.doi.org/10.1063/1.1635180.

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Moore, D. A., R. C. Davidson, S. M. Kaye, and S. F. Paul. "Pressure measurement using a pure electron plasma." In Non−neutral plasma physics II: The Berkeley workshop on non−neutral. AIP, 1995. http://dx.doi.org/10.1063/1.47884.

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Anderson, M. W., T. M. O’Neil, James R. Danielson, and Thomas Sunn Pedersen. "Collisional Damping Of Plasma Waves On A Pure Electron Plasma Column." In NON-NEUTRAL PLASMA PHYSICS VII: Workshop on Non-Neutral Plasmas 2008. AIP, 2009. http://dx.doi.org/10.1063/1.3122272.

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Kriesel, Jason M., and C. Fred Driscoll. "Experiments on viscous transport in pure-electron plasmas." In Non-neutral plasma physics III. AIP, 1999. http://dx.doi.org/10.1063/1.1302127.

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Berkery, John W., Thomas Sunn Pedersen, Quinn R. Marksteiner, Michael S. Hahn, Jason P. Kremer, and Remi G. Lefrancois. "Pure Electron Plasmas Confined on Magnetic Surfaces." In 2007 IEEE Pulsed Power Plasma Science Conference. IEEE, 2007. http://dx.doi.org/10.1109/ppps.2007.4345592.

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Gilson, E. P. "Quadrupole induced resonant particle transport in a pure electron plasma." In NON-NEUTRAL PLASMA PHYSICS IV: Workshop on Non-Neutral Plasmas. AIP, 2002. http://dx.doi.org/10.1063/1.1454308.

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Pedersen, T. Sunn, J. W. Berkery, A. H. Boozer, Q. R. Marksteiner, P. W. Brenner, M. Hahn, B. Durand de Gevigney, X. Sarasola Martin, James R. Danielson, and Thomas Sunn Pedersen. "Confinement of pure electron plasmas in the CNT stellarator." In NON-NEUTRAL PLASMA PHYSICS VII: Workshop on Non-Neutral Plasmas 2008. AIP, 2009. http://dx.doi.org/10.1063/1.3122292.

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Kawai, Yosuke, Yasuhito Kiwamoto, James R. Danielson, and Thomas Sunn Pedersen. "Turbulent Cascade in Vortex Dynamics of Magnetized Pure Electron Plasmas." In NON-NEUTRAL PLASMA PHYSICS VII: Workshop on Non-Neutral Plasmas 2008. AIP, 2009. http://dx.doi.org/10.1063/1.3122271.

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