Researcher Information
researchmap URL
Research History
- Apr. 2024 - Present
Japan Agency for Marine-Earth Science and Technology, Center for Mathematical Science and Advanced Technology, Researcher - Apr. 2022 - Mar. 2024
Japan Agency for Marine-Earth Science and Technology, Center for Mathematical Science and Advanced Technology, Young Research Fellow - Apr. 2020 - Mar. 2022
National Astronomical Observatory of Japan, Division of Science, JSPS Research Fellow
Education
Research activity information
Papers
- Hiroshi ヒロシ Kimura キムラ; Takaya Okamoto; Takayuki Hirai; Fumi Yoshida; Peng K. Hong; Koji Wada; Tomoko Arai; Eiichiro Kokubo; Yuki Yoshida; Toshihiko Kadono; Sota Arakawa; Hiroki Senshu; Masanori Kobayashi; Ko Ishibashi; Manabu Yamada; Hiroshi Akitaya; Osamu Okudaira; Takafumi Matsui
Mechanical Properties of Dust, Pebbles, and Planetesimals Based on Johnson–Kendall–Roberts, Griffith, and Weibull Theories
The Astrophysical Journal, 18 Nov. 2025
994, 1, 100, 100 - Hiroshi ヒロシ Kimura キムラ; Takayuki Hirai; Takaya Okamoto; Akiko M. Nakamura; Eiichiro Kokubo; Yuki Yoshida; Fumi Yoshida; Peng K. Hong; Koji Wada; Hiroki Senshu; Tomoko Arai; Sota Arakawa; Toshihiko Kadono; Masanori Kobayashi; Ko Ishibashi; Hiroshi Akitaya; Manabu Yamada; Osamu Okudaira; Takafumi Matsui
Tensile Strength of Dust, Pebbles, and Planetesimals: A Simple Mathematical Formula from Aggregates to Monoliths Based on an Extension of an Elastic Theory for Particle Assemblies to Molecular Networks
The Astrophysical Journal, 05 Nov. 2025
993, 2, 211, 211 - Daiki Yamamoto; Aki Takigawa; Lily Ishizaki; Ryosuke Sakurai; Yuki Inoue; Junji Yamamoto; Sota Arakawa; Shogo Tachibana
Evaporation kinetics of silicon carbide in a low-pressure H2-H2O gas mixture: Implications for the survivability of presolar silicon carbide grains in the protosolar disk
Geochimica et Cosmochimica Acta, Aug. 2025
[Reviewed] - Feilin Cheng; Abdulkareem Alasli; Ryohei Fujita; Ai Ueno; Takuya Ishizaki; Naoya Sakatani; Rie Endo; Sota Arakawa; Tsuyoshi Nishi; Taizo Kobayashi; Akira Tsuchiyama; Hosei Nagano; Satoshi Tanaka
Thermal Diffusivity, Thermal Conductivity and Thermal Inertia of Individual Lunar Regolith Grains: Case Study of Sample 70161 from Apollo 17
International Journal of Thermophysics, 28 Jul. 2025
46, 10
[Reviewed] - Noriyuki Kawasaki; Sota Arakawa; Yushi Miyamoto; Naoya Sakamoto; Daiki Yamamoto; Sara S. Russell; Hisayoshi Yurimoto
Solar System’s earliest solids as tracers of the accretion region of Ryugu and Ivuna-type carbonaceous chondrites
Communications Earth & Environment, 16 Jul. 2025
[Reviewed] - Sota Arakawa; Mikito Furuichi; Daisuke Nishiura
Numerical investigation on the compressive behavior of hierarchical granular piles
Earth, Planets and Space, 18 Jun. 2025
[Reviewed]
Lead, Corresponding - Mikito Furuichi; Jian Chen; Daisuke Nishiura; Sota Arakawa; Ryuta Arai; Dye S.K. Sato; Satoshi Ide
Energy budget analysis of fault motion in a granular rock box simulation
Tectonophysics, Jun. 2025
908, 230764, 230764 - S. Arakawa; S. Kamata; H. Genda
Low Rock Mass Fraction Within Trans‐Neptunian Objects Inferred From the Spin–Orbit Evolution of Orcus–Vanth and Salacia–Actaea
Journal of Geophysical Research: Planets, Apr. 2025
[Reviewed]
Lead, Corresponding - Sota Arakawa; Hidekazu Tanaka; Eiichiro Kokubo; Satoshi Okuzumi; Misako Tatsuuma; Daisuke Nishiura; Mikito Furuichi
On the elastoplastic behavior in collisional compression of spherical dust aggregates
Granular Matter, Nov. 2024
26, 4
[Reviewed]
Lead, Corresponding - Sebastiaan Krijt; Sota Arakawa; Mark Oosterloo; Hidekazu Tanaka
A closer look at individual collisions of dust aggregates: material mixing and exchange on microscopic scales
Monthly Notices of the Royal Astronomical Society, 04 Oct. 2024
[Reviewed] - Kazuaki A Homma; Satoshi Okuzumi; Sota Arakawa; Ryota Fukai
Isotopic variation of non-carbonaceous meteorites caused by dust leakage across the Jovian gap in the solar nebula
Publications of the Astronomical Society of Japan, 03 Oct. 2024
[Reviewed] - Sota Arakawa; Daiki Yamamoto; Lily Ishizaki; Tamami Okamoto; Noriyuki Kawasaki
Oxygen Isotope Exchange between Dust Aggregates and Ambient Nebular Gas
The Astrophysical Journal, 01 Oct. 2024
[Reviewed]
Lead, Corresponding - Yuji Matsumoto; Kosuke Kurosawa; Sota Arakawa
Chondrule Destruction via Dust Collisions in Shock Waves
The Astrophysical Journal, 01 May 2024
[Reviewed] - Sota Arakawa; Misako Tatsuuma; Hidekazu Tanaka; Mikito Furuichi; Daisuke Nishiura
Interparticle normal force in highly porous granular matter during compression
Physical Review E, 27 Feb. 2024
[Reviewed]
Lead, Corresponding - Sota Arakawa
Root Mean Squares of Distance and Geodesic between Two Constituent Particles within Fractal Aggregates Prepared by BCCA, DLA, and GSAW Procedures
Journal of the Physical Society of Japan, 15 Feb. 2024
93, 024401
[Reviewed]
Lead, Corresponding - Sota Arakawa; Shigeru Wakita
Survivability of amorphous ice in comets depends on the latent heat of crystallization of impure water ice
Publications of the Astronomical Society of Japan, 07 Feb. 2024
76, 1, 130, 141
[Reviewed]
Lead, Corresponding - Sota Arakawa; Daiki Yamamoto; Takayuki Ushikubo; Hiroaki Kaneko; Hidekazu Tanaka; Shigenobu Hirose; Taishi Nakamoto
Oxygen isotope exchange between molten silicate spherules and ambient water vapor with nonzero relative velocity: Implication for chondrule formation environment
Icarus, Nov. 2023
405, 115690, 115690
[Reviewed]
Lead, Corresponding - Sota Arakawa; Satoshi Okuzumi; Misako Tatsuuma; Hidekazu Tanaka; Eiichiro Kokubo; Daisuke Nishiura; Mikito Furuichi; Taishi Nakamoto
Size Dependence of the Bouncing Barrier in Protoplanetary Dust Growth
The Astrophysical Journal Letters, 01 Jul. 2023
951, 1, L16, L16
[Reviewed]
Lead, Corresponding - Yuji Matsumoto; Sota Arakawa
Igneous Rim Accretion on Chondrules in Low-velocity Shock Waves
The Astrophysical Journal, 01 May 2023
948, 2, 73, 73
[Reviewed] - Doris Arzoumanian; Sota Arakawa; Masato I.N. Kobayashi; Kazunari Iwasaki; Kohei Fukuda; Shoji Mori; Yutaka Hirai; Masanobu Kunitomo; Nanda Kumar; Eiichiro Kokubo
Insights on the Sun Birth Environment in the Context of Star Cluster Formation in Hub–Filament Systems
The Astrophysical Journal Letters, 01 Apr. 2023
947, 2, L29, L29
[Reviewed] - Sota Arakawa; Daisuke Nishiura; Mikito Furuichi
Interpebble contact radius in a comet nucleus
Monthly Notices of the Royal Astronomical Society, 31 Mar. 2023
521, 4, 4927, 4935
[Reviewed]
Lead, Corresponding - Sota Arakawa; Hidekazu Tanaka; Eiichiro Kokubo; Daisuke Nishiura; Mikito Furuichi
Threshold velocity for the collisional growth of porous dust aggregates consisting of cohesive frictionless spheres
Astronomy & Astrophysics, 22 Feb. 2023
670, L21, L21
[Reviewed]
Lead, Corresponding - Sota Arakawa; Eiichiro Kokubo
Number of stars in the Sun’s birth cluster revisited
Astronomy & Astrophysics, 13 Feb. 2023
670, A105, A105
[Reviewed]
Lead, Corresponding - Sota Arakawa; Hidekazu Tanaka; Eiichiro Kokubo
Collisional Growth Efficiency of Dust Aggregates and Its Independence of the Strength of Interparticle Rolling Friction
The Astrophysical Journal, 01 Nov. 2022
939, 2, 100, 100
[Reviewed]
Lead, Corresponding - Sota Arakawa; Hidekazu Tanaka; Eiichiro Kokubo
Impacts of Viscous Dissipation on Collisional Growth and Fragmentation of Dust Aggregates
The Astrophysical Journal, Jul. 2022
933, 2, 144, 144
[Reviewed]
Lead, Corresponding - Naoya Sakatani; Satoshi Tanaka; Sota Arakawa
Development of a Small-Sized Line Heat Source Apparatus for the Thermal Conductivity Measurement of Extraterrestrial Soils
International Journal of Thermophysics, Jun. 2022
43, 6
[Reviewed] - Sota Arakawa; Ryota Fukai; Kazuaki Homma
Planet formation history revealed by the isotopic heterogeneity in the solar nebula
Planetary People - The Japanese Society for Planetary Sciences, Mar. 2022
31, 1, 50, 67
[Reviewed], [Invited]
Lead, Corresponding - Sota Arakawa; Hiroaki Kaneko; Taishi Nakamoto
Fine-grained Rim Formation via Kinetic Dust Aggregation in Shock Waves Around Evaporating Icy Planetesimals
The Astrophysical Journal, 01 Mar. 2022
927, 2, 188, 188
[Reviewed]
Lead, Corresponding - Hiroaki Kaneko; Sota Arakawa; Taishi Nakamoto
Dependence of the initial internal structure of chondrule rim on dust size distribution
Icarus, Mar. 2022
374, 114726, 114726
[Reviewed] - Sota Arakawa; Ryuki Hyodo; Daigo Shoji; Hidenori Genda
Tidal Evolution of the Eccentric Moon around Dwarf Planet (225088) Gonggong
The Astronomical Journal, 01 Dec. 2021
162, 6, 226, 226
[Reviewed]
Lead, Corresponding - Sota Arakawa; Yuji Matsumoto; Mitsuhiko Honda
On the Crystallinity of Silicate Dust in Evolving Protoplanetary Disks due to Magnetically Driven Disk Winds
The Astrophysical Journal, 01 Oct. 2021
920, 1, 27, 27
[Reviewed]
Lead, Corresponding - Sota Arakawa; Sebastiaan Krijt
On the Stickiness of CO2 and H2O Ice Particles
The Astrophysical Journal, 01 Apr. 2021
910, 2, 130, 130
[Reviewed]
Lead, Corresponding - Fukai, Ryota; Arakawa, Sota
Assessment of Cr Isotopic Heterogeneities of Volatile-rich Asteroids Based on Multiple Planet Formation Models
The Astrophysical Journal, Feb. 2021
908, 1, 64, 64
[Reviewed] - Sota Arakawa; Kazumasa Ohno
Thermal inertias of pebble-pile comet 67P/Churyumov–Gerasimenko
Monthly Notices of the Royal Astronomical Society, 01 Sep. 2020
497, 1, 1166, 1180
[Reviewed]
Lead, Corresponding - Sota Arakawa
Revisiting sticking property of submillimetre-sized aggregates
Monthly Notices of the Royal Astronomical Society, 11 Aug. 2020
[Reviewed]
Lead, Corresponding - 荒川 創太; 兵頭 龍樹; 庄司 大悟; 玄田 英典
太陽系外縁天体の衛星形成と潮汐進化
遊星人（日本惑星科学会誌）, 2020
29, 104, 114
[Reviewed]
Lead, Corresponding - Sota Arakawa
Photophoresis in the circumjovian disk and its impact on the orbital configuration of the Galilean satellites
Astronomy & Astrophysics, Sep. 2019
[Reviewed]
Lead, Corresponding - Arakawa, Sota; Takemoto, Masaki; Nakamoto, Taishi
Geometrical structure and thermal conductivity of dust aggregates formed via ballistic cluster-cluster aggregation
Progress of Theoretical and Experimental Physics, Sep. 2019
2019, 9
[Reviewed]
Lead, Corresponding - Sota Arakawa
Early formation of moons around large trans-Neptunian objects via giant impacts
Nature Astronomy, 24 Jun. 2019
[Reviewed]
Lead, Corresponding - Arakawa, Sota; Nakamoto, Taishi
Compound Chondrule Formation in Optically Thin Shock Waves
The Astrophysical Journal, Jun. 2019
877, 2
[Reviewed]
Lead, Corresponding - Arakawa, Sota; Tatsuuma, Misako; Sakatani, Naoya; Nakamoto, Taishi
Thermal conductivity and coordination number of compressed dust aggregates
Icarus, May 2019
324, 8, 14
[Reviewed]
Lead, Corresponding - Sota Arakawa; Hidekazu Tanaka; Akimasa Kataoka; Taishi Nakamoto
Thermal conductivity of porous aggregates
Astronomy & Astrophysics, Dec. 2017
608
[Reviewed]
Lead, Corresponding - Sota Arakawa
Ejection of Chondrules from Fluffy Matrices
The Astrophysical Journal, 08 Sep. 2017
846, 2, 118, 118
[Reviewed]
Lead, Corresponding - Sota Arakawa; Taishi Nakamoto
ROCKY PLANETESIMAL FORMATION VIA FLUFFY AGGREGATES OF NANOGRAINS
The Astrophysical Journal Letters, 01 Dec. 2016
832, 2
[Reviewed]
Lead, Corresponding - Sota Arakawa; Taishi Nakamoto
Compound chondrule formation via collision of supercooled droplets
Icarus, Sep. 2016
276, 102, 106
[Reviewed]
Lead, Corresponding
Misc.
- Sota Arakawa; Taishi Nakamoto
Compound Chondrule Formation in Optically Thin Shock Waves (vol 877, 84, 2019)
ASTROPHYSICAL JOURNAL, Aug. 2022
935, 2
