Search Results - "Choe, G"

The toroidal field surfaces in the standard poloidal-toroidal representation of magnetic field by Yi, Sibaek, Choe, G. S.

“…The representation of magnetic field as a sum of a toroidal field and a poloidal field has not rarely been used in astrophysics, particularly in relation to…”
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ASYMPTOTIC THEORY OF SOLAR WIND ELECTRONS by Kim, Sunjung, Yoon, Peter H., Choe, G. S., Wang, Linghua

“…ABSTRACT This paper presents a theory for the asymptotically steady-state solar wind electron velocity distribution function (VDF) in a local equilibrium with…”
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MAGNETOHYDRODYNAMIC SIMULATION OF THE X2.2 SOLAR FLARE ON 2011 FEBRUARY 15. II. DYNAMICS CONNECTING THE SOLAR FLARE AND THE CORONAL MASS EJECTION by Inoue, S., Hayashi, K., Magara, T., Choe, G. S., Park, Y. D.

“…ABSTRACT We clarify a relationship between the dynamics of a solar flare and a growing coronal mass ejection (CME) by investigating the dynamics of magnetic…”
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Whistler Instability Driven by Electron Thermal Ring Distribution With Magnetospheric Application by Yoon, P. H., Lee, Junggi, Hwang, Junga, Seough, J., Choe, G. S.

“…The loss cone electron distribution function can be unstable to the excitation of whistler instability, which can be effective in pitch angle diffusion, thus…”
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Reconstruction of Coronal Magnetic Fields Using a Poloidal–Toroidal Representation by Yi, Sibaek, Choe, G. S., Cho, Kyung-Suk, Solanki, Sami K., Büchner, Jörg

“…Abstract A new method for reconstruction of coronal magnetic fields as force-free fields (FFFs) is presented. Our method employs poloidal and toroidal…”
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BUILDUP AND RELEASE OF MAGNETIC TWIST DURING THE X3.4 SOLAR FLARE OF 2006 DECEMBER 13 by INOUE, S, SHIOTA, D, YAMAMOTO, T. T, PANDEY, V. S, MAGARA, T, CHOE, G. S

“…We analyze the temporal evolution of the three-dimensional magnetic structure of the flaring active region (AR) NOAA 10930 by using the nonlinear force-free…”
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MAGNETIC STRUCTURE PRODUCING X- AND M-CLASS SOLAR FLARES IN SOLAR ACTIVE REGION 11158 by Inoue, S, Hayashi, K, Shiota, D, Magara, T, Choe, G S

“…We study the three-dimensional magnetic structure of the solar active region 11158, which produced one X-class and several M-class flares on 2011 February…”
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SUPRATHERMAL SOLAR WIND ELECTRONS AND LANGMUIR TURBULENCE by Kim, Sunjung, Yoon, Peter H., Choe, G. S., moon, Y.-J.

“…ABSTRACT The steady-state model recently put forth for the solar wind electron velocity distribution function during quiet time conditions, was originally…”
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Predictors of surgical outcome and pathologic considerations in focal cortical dysplasia by KIM, D. W, LEE, S. K, CHU, K, PARK, K. I, LEE, S. Y, LEE, C. H, CHUNG, C. K, CHOE, G, KIM, J. Y

“…Although surgical resection has been an important alternative treatment for patients with intractable epilepsy related to focal cortical dysplasia (FCD), the…”
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NONLINEAR FORCE-FREE EXTRAPOLATION OF THE CORONAL MAGNETIC FIELD BASED ON THE MAGNETOHYDRODYNAMIC RELAXATION METHOD by Inoue, S, Magara, T, Pandey, V S, Shiota, D, Kusano, K, Choe, G S, Kim, K S

“…We develop a nonlinear force-free field (NLFFF) extrapolation code based on the magnetohydrodynamic (MHD) relaxation method. We extend the classical MHD…”
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Persistent Horizontal Flows and Magnetic Support of Vertical Threads in a Quiescent Prominence by Chae, Jongchul, Ahn, Kwangsoo, Lim, Eun-Kyung, Choe, G. S, Sakurai, Takashi

“…There has been some controversy as to whether the magnetic fields of vertical threads seen in quiescent prominences are predominantly vertical or horizontal…”
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REVISED MODEL OF THE STEADY-STATE SOLAR WIND HALO ELECTRON VELOCITY DISTRIBUTION FUNCTION by Yoon, Peter H., Kim, Sunjung, Choe, G. S., moon, Y.-J.

“…ABSTRACT A recent study discussed the steady-state model for solar wind electrons during quiet time conditions. The electrons emanating from the Sun are…”
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STEADY-STATE MODEL OF SOLAR WIND ELECTRONS REVISITED by Yoon, Peter H., Kim, Sunjung, Choe, G. S.

“…ABSTRACT In a recent paper, Kim et al. put forth a steady-state model for the solar wind electrons. The model assumed local equilibrium between the halo…”
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NONLINEAR FORCE-FREE MODELING OF A THREE-DIMENSIONAL SIGMOID OBSERVED ON THE SUN by INOUE, S, MAGARA, T, WATARI, S, CHOE, G. S

“…In this work, we analyze the characteristics of the three-dimensional magnetic structure of a sigmoid observed over an active region (AR 10930) and followed by…”
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The Variation of Relative Magnetic Helicity around Major Flares by Park, Sung-Hong, Lee, Jeongwoo, Choe, G. S, Chae, Jongchul, Jeong, Hyewon, Yang, Guo, Jing, Ju, Wang, Haimin

“…We have investigated the variation of magnetic helicity over a span of several days around the times of 11 X-class flares which occurred in seven active…”
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Simulation and Quasi‐linear Theory of Magnetospheric Bernstein Mode Instability by Lee, Junggi, Yoon, Peter H., Seough, Jungjoon, López, Rodrigo A., Hwang, Junga, Lee, Jaejin, Choe, G. S.

“…Multiple‐harmonic electron cyclotron emissions, often known in the literature as the (n + 1/2)fce emissions, are a common occurrence in the magnetosphere…”
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Clinicopathological and prognostic significance of programmed death ligand 1 expression in Korean melanoma patients by Yun, S., Lee, K., Park, Y., Moon, S., Lee, H.S., Choe, G., Lee, K.S.

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Immune modulatory effects of ibrutinib in pancreatic ductal adenocarcinoma by Sinha, M., Griffith, M., Betts, C., Choe, G., Sivagnanam, S., Cheung, A., Tamaki, W., Liu, E., Sudduth-Klinger, J., Vaccaro, G., Lopez, C., Fong, L., Coussens, L., Tempero, M.

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Digital Terrain Analysis Approach to Improve Soil Depth Prediction with Parent Material Dataset by Thak, J. H., Ryu, T. G., Sin, J. S., Choe, M. G.

“…Soil depth (depth of soil) is a key factor to evaluate the potential of land for farming. Observation of soil depth has been performed by field work over the…”
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A Statistical Study of Two Classes of Coronal Mass Ejections by Moon, Y.-J, Choe, G. S, Wang, Haimin, Park, Y. D, Gopalswamy, N, Yang, Guo, Yashiro, S

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