Search Results - "Yoon, P H"

Expanding-box Quasilinear Model of the Solar Wind by Seough, J., Yoon, P. H., Nariyuki, Y., Salem, C.

“…Abstract The expanding-box model of the solar wind has been adopted in the literature within the context of magnetohydrodynamics, hybrid, and full…”
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Bi-Kappa Proton Mirror and Cyclotron Instabilities in the Solar Wind by Yoon, P. H., López, R. A., Zaheer, S.

“…Abstract The charged particles in the solar wind are often observed to possess a nonthermal tail in the velocity distribution function, a feature that can be…”
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Solar Wind Temperature Isotropy by Yoon, P H, Seough, J, Salem, C S, Klein, K G

“…Reliable models of the solar wind in the near-Earth space environment may constrain conditions close to the Sun. This is relevant to NASA's contemporary…”
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Hybrid Simulation and Quasi-linear Theory of Bi-Kappa Proton Instabilities by López, R. A., Yoon, P. H., Viñas, A. F., Lazar, M.

“…Abstract The quasi-steady states of collisionless plasmas in space (e.g., in the solar wind and planetary environments) are governed by the interactions of…”
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Electromagnetic Electron Cyclotron Instability in the Solar Wind by Lazar, M., Yoon, P. H., López, R. A., Moya, P. S.

“…The abundant reports on the existence of electromagnetic high‐frequency fluctuations in space plasmas have increased the expectations that theoretical modeling…”
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Electron holes and heating in the reconnection dissipation region by Che, H., Drake, J. F., Swisdak, M., Yoon, P. H.

“…Using particle‐in‐cell simulations and kinetic theory, we explore the current‐driven turbulence and associated electron heating in the dissipation region…”
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Particle-in-cell and Weak Turbulence Simulations of Plasma Emission by Lee, Sang-Yun, Ziebell, L. F., Yoon, P. H., Gaelzer, R., Lee, E. S.

“…The plasma emission process, which is the mechanism for solar type II and type III radio burst phenomena, is studied by means of particle-in-cell (PIC) and…”
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Boundary of the Distribution of Solar Wind Proton Beta versus Temperature Anisotropy by Yoon, P. H., Lazar, M., Salem, C., Seough, J., Martinović, M. M., Klein, K. G., López, R. A.

“…Abstract The frequency distribution of solar wind protons, measured in the vicinity of Earth’s orbit, is customarily plotted in ( β ∥ , T ⊥ / T ∥ ) phase…”
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Electron temperature anisotropy regulation by whistler instability by Kim, H. P., Hwang, J., Seough, J. J., Yoon, P. H.

“…The solar wind electron temperature anisotropy is regulated by a number of physical processes, which include adiabatic expansion, electron Coulomb collisions,…”
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Plasma Wave and Particle Dynamics During Interchange Events in the Jovian Magnetosphere Using Juno Observations by Daly, A., Li, W., Ma, Q., Shen, X.‐C., Yoon, P. H., Menietti, J. D., Kurth, W. S., Hospodarsky, G. B., Mauk, B. H., Clark, G., Allegrini, F., Connerney, J. E. P., Bolton, S. J.

“…Interchange instability is known to drive fast radial transport of particles in Jupiter's inner magnetosphere. Magnetic flux tubes associated with the…”
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Electron contribution in mirror instability in quasi‐linear regime by Noreen, N., Yoon, P. H., López, R. A., Zaheer, S.

“…The solar wind is characterized by proton temperature anisotropies. The plasma compression generates the perpendicular anisotropy, T⊥>T∥, which may lead to the…”
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The Generation of Upward‐Propagating Whistler Mode Waves by Electron Beams in the Jovian Polar Regions by Elliott, S. S., Gurnett, D. A., Yoon, P. H., Kurth, W. S., Mauk, B. H., Ebert, R. W., Clark, G., Valek, P., Allegrini, F., Bolton, S. J., Menietti, J. D., Louarn, P., Sulaiman, A. H.

“…Upward‐moving energetic electrons with energies of 1 MeV and above were observed over the entire Jovian polar region. The electrons were found to be associated…”
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The Role of Intense Upper Hybrid Resonance Emissions in the Generation of Saturn Narrowband Emission by Menietti, J. D., Yoon, P. H., Pisa, D., Averkamp, T. F., Sulaiman, A. H., Kurth, W. S., Santolík, O., Arridge, C. S.

“…Twenty high‐inclination ring‐grazing orbits occurred in the final period of the Cassini mission. These orbits intercepted a region of intense Z‐mode and…”
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Terrestrial lion roars and non-Maxwellian distribution by Qureshi, M. N. S., Nasir, Warda, Masood, W., Yoon, P. H., Shah, H. A., Schwartz, S. J.

“…Lion roars are low‐frequency (∼100 Hz) whistler waves frequently observed in the Earth's magnetosheath. By analyzing both wave and electron data from the…”
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Source region and growth analysis of narrowband Z‐mode emission at Saturn by Menietti, J. D., Yoon, P. H., Písa, D., Ye, S.‐Y., Santolík, O., Arridge, C. S., Gurnett, D. A., Coates, A. J.

“…Intense Z‐mode emission is observed in the lower density region near the inner edge of the Enceladus torus at Saturn, where these waves may resonate with MeV…”
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Macroscopic quasi‐linear theory of electromagnetic electron cyclotron instability associated with core and halo solar wind electrons by Sarfraz, M., Saeed, Sundas, Yoon, P. H., Abbas, G., Shah, H. A.

“…Spacecraft observations made near 1 AU show that both core and halo solar wind electrons exhibit temperature anisotropies that appear to be regulated by…”
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A new natural radio emission observed at South Pole Station by Broughton, M. C., LaBelle, J., Yoon, P. H.

“…Continuous waveform data taken at South Pole Station in 2011–2012 within a few hours of magnetic midnight revealed 12 observations of a new natural radio…”
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Langmuir Turbulence and Suprathermal Electrons by Yoon, P. H., Ziebell, L. F., Gaelzer, R., Lin, R. P., Wang, L.

“…Charged particle acceleration takes place ubiquitously in the Universe including the near-Earth heliospheric environment. Typical in situ spacecraft…”
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Stochastic heating and acceleration of minor ions by Alfvén waves by Wang, Bin, Wang, C. B., Yoon, P. H., Wu, C. S.

“…The present paper addresses the stochastic heating of minor ions by obliquely‐propagating low‐frequency Alfvén waves in the solar wind. An important…”
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Endovascular Treatment of Intracranial Vertebral Artery Dissections with Stent Placement or Stent-assisted Coiling by Ahn, J.Y, Han, I.B, Kim, T.G, Yoon, P.H, Lee, Y.J, Lee, B.-H, Seo, S.H, Kim, D.I, Hong, C.K, Joo, J.Y

“…Endovascular treatment with stent placement or stent-assisted coiling was recently introduced as an alternative to parent artery occlusion in intracranial…”
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