Search Results - "Yokoyama, T."

A Three-dimensional Magnetohydrodynamic Simulation of the Formation of Solar Chromospheric Jets with Twisted Magnetic Field Lines by Iijima, H., Yokoyama, T.

“…This paper presents a three-dimensional simulation of chromospheric jets with twisted magnetic field lines. Detailed treatments of the photospheric radiative…”
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Large-scale magnetic fields at high Reynolds numbers in magnetohydrodynamic simulations by Hotta, H., Rempel, M., Yokoyama, T.

“…The 11-year solar magnetic cycle shows a high degree of coherence in spite of the turbulent nature of the solar convection zone. It has been found in recent…”
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Nonlinear growth, bifurcation, and pinching of equatorial plasma bubble simulated by three-dimensional high-resolution bubble model by Yokoyama, T., Shinagawa, H., Jin, H.

“…A new three‐dimensional high‐resolution numerical model to study equatorial plasma bubble (EPB) has been developed. The High‐Resolution Bubble (HIRB) model is…”
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EFFICIENT SMALL-SCALE DYNAMO IN THE SOLAR CONVECTION ZONE by Hotta, H., Rempel, M., Yokoyama, T.

“…ABSTRACT We investigate small-scale dynamo action in the solar convection zone through a series of high-resolution MHD simulations in a local Cartesian domain…”
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Convective Velocity Suppression via the Enhancement of the Subadiabatic Layer: Role of the Effective Prandtl Number by Bekki, Y., Hotta, H., Yokoyama, T.

“…It has recently been recognized that the convective velocities achieved in current solar convection simulations might be overestimated. The newly revealed…”
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DOUBLE-CELL-TYPE SOLAR MERIDIONAL CIRCULATION BASED ON A MEAN-FIELD HYDRODYNAMIC MODEL by Bekki, Y., Yokoyama, T.

“…ABSTRACT The main object of the paper is to present the condition of the nondiffusive part of the Reynolds stress for driving the double-cell structure of the…”
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Observational Signatures of Transverse Magnetohydrodynamic Waves and Associated Dynamic Instabilities in Coronal Flux Tubes by Antolin, P., Moortel, I. De, Doorsselaere, T. Van, Yokoyama, T.

“…Magnetohydrodynamic (MHD) waves permeate the solar atmosphere and constitute potential coronal heating agents. Yet, the waves detected so far may be but a…”
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HIGH-RESOLUTION CALCULATION OF THE SOLAR GLOBAL CONVECTION WITH THE REDUCED SPEED OF SOUND TECHNIQUE. II. NEAR SURFACE SHEAR LAYER WITH THE ROTATION by Botta, H, Rempel, M, Yokoyama, T

“…We present a high-resolution, highly stratified numerical simulation of rotating thermal convection in a spherical shell. Our aim is to study in detail the…”
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RESONANT ABSORPTION OF TRANSVERSE OSCILLATIONS AND ASSOCIATED HEATING IN A SOLAR PROMINENCE. II. NUMERICAL ASPECTS by Antolin, P., Okamoto, T. J., Pontieu, B. De, Uitenbroek, H., Doorsselaere, T. Van, Yokoyama, T.

“…ABSTRACT Transverse magnetohydrodynamic (MHD) waves are ubiquitous in the solar atmosphere and may be responsible for generating the Sun's million-degree outer…”
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NUMERICAL STUDY ON IN SITU PROMINENCE FORMATION BY RADIATIVE CONDENSATION IN THE SOLAR CORONA by Kaneko, T., Yokoyama, T.

“…ABSTRACT We propose an in situ formation model for inverse-polarity solar prominences and demonstrate it using self-consistent 2.5 dimensional MHD simulations,…”
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HIGH-RESOLUTION CALCULATIONS OF THE SOLAR GLOBAL CONVECTION WITH THE REDUCED SPEED OF SOUND TECHNIQUE. I. THE STRUCTURE OF THE CONVECTION AND THE MAGNETIC FIELD WITHOUT THE ROTATION by Hotta, H, Rempel, M, Yokoyama, T

“…We carry out non-rotating high-resolution calculations of the solar global convection, which resolve convective scales of less than 10 Mm. To cope with the low…”
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NONLINEAR REFLECTION PROCESS OF LINEARLY POLARIZED, BROADBAND ALFVÉN WAVES IN THE FAST SOLAR WIND by Shoda, M., Yokoyama, T.

“…ABSTRACT Using one-dimensional numerical simulations, we study the elementary process of Alfvén wave reflection in a uniform medium, including nonlinear…”
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Perpendicular magnetic anisotropy at the interface between ultrathin Fe film and MgO studied by angular-dependent x-ray magnetic circular dichroism by Okabayashi, J., Koo, J. W., Sukegawa, H., Mitani, S., Takagi, Y., Yokoyama, T.

“…Interface perpendicular magnetic anisotropy (PMA) in ultrathin Fe/MgO (001) has been investigated using angular-dependent x-ray magnetic circular dichroism…”
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West wall structuring of equatorial plasma bubbles simulated by three-dimensional HIRB model by Yokoyama, T., Jin, H., Shinagawa, H.

“…Plasma density depletions in the equatorial ionosphere, or so‐called equatorial plasma bubbles (EPBs), are generated in the postsunset period and tend to have…”
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Incidence and prevalence of childhood‐onset Type 1 diabetes in Japan: the T1D study by Onda, Y., Sugihara, S., Ogata, T., Yokoya, S., Yokoyama, T., Tajima, N., Amemiya, Shin, Kadowaki, Takashi, Kawamura, Tomoyuki, Kikuchi, Nobuyuki, Kikuchi, Tohru, Nakajima, Naoki, Nishimura, Rimei, Okada, Mihoko, Urakami, Tatsuhiko

“…Aims A majority of children with Type 1 diabetes in Japan are registered with the government‐subsidized Specified Pediatric Chronic Disease Treatment Research…”
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Duskside enhancement of equatorial zonal electric field response to convection electric fields during the St. Patrick's Day storm on 17 March 2015 by Tulasi Ram, S., Yokoyama, T., Otsuka, Y., Shiokawa, K., Sripathi, S., Veenadhari, B., Heelis, R., Ajith, K. K., Gowtam, V. S., Gurubaran, S., Supnithi, P., Le Huy, M.

“…The equatorial zonal electric field responses to prompt penetration of eastward convection electric fields (PPEF) were compared at closely spaced longitudinal…”
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Panacea: Visual exploration system for analyzing trends in annual recruitment using time-varying graphs by Yokoyama, Toshiyuki T, Okada, Masashi, Taniguchi, Tadahiro

“…Annual recruitment data of new graduates are manually analyzed by human resources (HR) specialists in industries, which signifies the need to evaluate the…”
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Visualization tools for human structural variations identified by whole-genome sequencing by Yokoyama, Toshiyuki T, Kasahara, Masahiro

“…Visualizing structural variations (SVs) is a critical step for finding associations between SVs and human traits or diseases. Given that there are many…”
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MoMI-G: modular multi-scale integrated genome graph browser by Yokoyama, Toshiyuki T, Sakamoto, Yoshitaka, Seki, Masahide, Suzuki, Yutaka, Kasahara, Masahiro

“…Genome graph is an emerging approach for representing structural variants on genomes with branches. For example, representing structural variants of cancer…”
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Climatology of successive equatorial plasma bubbles observed by GPS ROTI over Malaysia by Buhari, S. M., Abdullah, M., Yokoyama, T., Otsuka, Y., Nishioka, M., Hasbi, A. M., Bahari, S. A., Tsugawa, T.

“…The occurrence rate of the equatorial plasma bubble (EPB) with season, solar activity, and geomagnetic conditions are investigated using long‐term data sets of…”
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