399 citations · 10.7k across the 204 of their papers we have counts for
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The Nonlinear Ohm's Law: Plasma Heating by Strong Electric Fields and its Effects on the Ionization Balance in Protoplanetary Disks
Satoshi Okuzumi, Shu-ichiro Inutsuka
The ionization state of the gas plays a key role in the MHD of protoplanetary disks. However, the ionization state can depend on the gas dynamics, because electric fields induced b…
ALMA observations of a high-density core in Taurus: dynamical gas interaction at the possible site of a multiple star formation
Kazuki Tokuda, Toshikazu Onishi, Kazuya Saigo +7
Starless dense cores eventually collapse dynamically, which forms protostars inside them, and the physical properties of the cores determine the nature of the forming protostars. W…
N-body Simulations of Terrestrial Planet Formation under the Influence of a Hot Jupiter
Masahiro Ogihara, Hiroshi Kobayashi, Shu-ichiro Inutsuka
We investigate the formation of multiple-planet systems in the presence of a hot Jupiter using extended N-body simulations that are performed simultaneously with semi-analytic calc…
On the Viability of the Magnetorotational Instability in Circumplanetary Disks
Yuri I. Fujii, Satoshi Okuzumi, Takayuki Tanigawa +1
We examine whether the magnetorotational instability (MRI) can serve as a mechanism of angular momentum transport in circumplanetary disks. For the MRI to operate the ionization de…
Effects of radiation transfer on the structure of self-gravitating disks, their fragmentation and evolution of the fragments
Yusuke Tsukamoto, Sanemichi Z. Takahashi, Masahiro N. Machida +1
We investigate structure of self-gravitating disks, their fragmentation and evolution of the fragments (the clumps) using both analytic approach and three-dimensional radiation hyd…
A Statistical Analysis of SEEDS and Other High-Contrast Exoplanet Surveys: Massive Planets or Low-Mass Brown Dwarfs?
Timothy D. Brandt, Michael W. McElwain, Edwin L. Turner +50
We conduct a statistical analysis of a combined sample of direct imaging data, totalling nearly 250 stars. The stars cover a wide range of ages and spectral types, and include five…