日本語のページ


Referred Papers

  1. "Insights on the Sun birth environment in the context of star-cluster formation in hub-filament systems"
    Doris Arzoumanian, Sota Arakawa, Masato I. N. Kobayashi, Kazunari Iwasaki, Kohei Fukuda, Shoji Mori, Yutaka Hirai, Masanobu Kunitomo, M. S. Nanda Kumar, and Eiichiro Kokubo, accepted for ApJL
  2. "A Constraint on the Amount of Hydrogen from the CO Chemistry in Debris Disks"
    Kazunari Iwasaki, Hiroshi Kobayashi, Aya E. Higuchi, Yuri Aikawa
    Accepted for The Astrophysical Journal
  3. "Three-dimensional Simulations of Magnetospheric Accretion in a T Tauri Star: Accretion and Wind Structures Just Around Star"
    Shinsuke Takasao, Kengo Tomida, Kazunari Iwasaki, Takeru K. Suzuki
    The Astrophysical Journal, Volume 941, Issue 1, id.73, 29 pp (12/2022).
  4. "Universal Properties of Dense Clumps in Magnetized Molecular Clouds Formed through Shock Compression of Two-phase Atomic Gases"
    Kazunari Iwasaki and Kengo Tomida
    The Astrophysics Journal, Volume 934, Issue 2, article id. 174 (08/2022)
  5. "Nature of Supersonic Turbulence and Density Distribution Function in the Multiphase Interstellar Medium"
    Masato Kobayashi, Tsuyoshi Inoue, Kengo Tomida, Kazunari Iwasaki, Hiroki Nakatsugawa
    The Astrophysics Journal, Volume 930, Number 1 (05/2021)
  6. "Revealing the diverse magnetic field morphologies in Taurus dense cores with sensitive sub-millimeter polarimetry"
    Chakali Eswaraiah et al. (including Kazunari Iwasaki)
    The Astrophysical Journal Letters, Volume 912, Issue 2, id.L27, 15 pp. (03/2021)
  7. "Dust polarized emission observations of NGC 6334. BISTRO reveals the details of the complex but organized magnetic field structure of the high-mass star-forming hub-filament network"
    Doris Arzuomanian, R. Furuya, T. Hasegawa, M. Tahani, S. Sadavoy, C. L. H. Hull, D. Johnstone, D., P. M. Koch, S. Inutsuka, Y. Doi, T. Hoang, T. Onaka, Kazunari Iwasaki et al.
    Astronomy & Astrophysics, Volume 647, id.A78, 29 pp. (3/2021)
  8. "Observations of Magnetic Fields Surrounding LkHα 101 Taken by the BISTRO Survey with JCMT-POL-2"
    Nguyen Bich Ngoc et al. ( including Kazunari Iwasaki)
    The Astrophysical Journal, Volume 908, Issue 1, id.10, 20 pp. (2/2021)
  9. "Bimodal Behavior and Convergence Requirement in Macroscopic Properties of the Multiphase Interstellar Medium Formed by Atomic Converging Flows"
    Masato Kobayashi, Tsuyoshi Inoue, Shu-ichiro Inutsuka, Kengo Tomida, Kazunari Iwasaki, Kei E. I. Tanaka
    The Astrophysics Journal, Volume 905, Number 2 (12/2020)
  10. "The JCMT BISTRO Survey: Magnetic Fields Associated with a Network of Filaments in NGC 1333"
    Yasuo Doi ( including Kazunari Iwasaki)
    The Astrophysical Journal, Volume 899, Issue 1, id.28 (8/2020)
  11. "First sub-arcsecond Submillimeter-wave [C I] Image of 49 Ceti with ALMA"
    Aya E. Higuchi, Kazuya Saigo, Hiroshi Kobayashi, Kazunari Iwasaki, Munetake Momose, Nami Sakai, Kang Lou Soon, Masanobu Kunitomo, Daisuke Ishihara, and Satoshi Yamamoto
    The Astrophysics Journal, Volume 883, Issue 2, article id. 180, 8 pp. (10/2019)
  12. "Giant protostellar flares: accretion-driven accumulation and reconnection-driven ejection of magnetic flux in protostars"
    Shinsuke Takasao, Kengo Tomida, Kazunari Iwasaki, Takeru K. Suzuki
    The Astrophysical Journal Letters, Volume 878, Number 1 (06/2019)
  13. "The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-forming Region"
    Simon Coudé et al. (including Kazunari Iwasaki)
    The Astrophysical Journal, Volume 877, Issue 2, article id. 88, 17 pp, (06/2019)
  14. "The JCMT BISTRO Survey: The Magnetic Field in the Starless Core ρ Ophiuchus C"
    Junhao Liu et al. (including Kazunari Iwasaki)
    The Astrophysical Journal, Volume 877, Issue 1, article id. 43, 17 pp. (05/2019).
  15. "JCMT BISTRO survey: Magnetic Fields within the Hub-Filament Structure in IC 5146"
    Jia-Wei, Wang et al. (including Kazunari Iwasaki)
    The Astrophysical Journal, Volume 876, Issue 1, article id. 42, 19 pp. (05/2019)
  16. "The Early Stage of Molecular Cloud Formation by Compression of Two-phase Atomic Gases"
    Kazunari Iwasaki, Kengo Tomida, Tsuyoshi Inoue, and Shu-ichiro Inutsuka
    The Astrophysical Journal, Volume 873, Issue 1, article id. 6, 21 pp. (03/2019). (arxiv: 1806.03824)
  17. "Does Misalignment between Magnetic Field and Angular Momentum Enhance or Suppress Circumstellar Disk Formation?"
    Yusuke Tsukamoto, Satoshi Okuzumi, Kazunari Iwasaki, Masahiro N. Machida, and Shu-ichiro Inutsuka
    The Astrophysical Journal, Volume 868, Issue 1, article id. 22, 19 pp. (11/2018) (arXiV:1811.06675)
  18. "Magnetic Fields toward Ophiuchus-B Derived from SCUBA-2 Polarization Measurements"
    Archana Soam et al. (including Kazunari Iwasaki)
    The Astrophysical Journal, Volume 861, Issue 1, article id. 65, 13 pp., (07/2018) (arXiV:1805.06131)
  19. "A First Look at BISTRO Observations of The $\rho$ Oph-A core"
    Jungmi Kwon et al. (including Kazunari Iwasaki)
    The Astrophysical Journal, Volume 859, Issue 1, article id. 4, 22 pp., (05/2018) (arXiV:1804.09313)
  20. "The Formation of Massive Molecular Filaments and Massive Stars behind a MHD Shock Wave"
    Tsuyoshi Inoue, Patrick Hennebelle, Yasuo Fukui, Tomoaki Matsumoto, Kazunari Iwasaki, and Shu-ichiro Inutsuka
    Publications of the Astronomical Society of Japan, Volume 70, Issue suppl_2, id. S53, (05/2018) (arXiv:1707.02035)
  21. A Three-Dimensional Simulation of a Magnetized Accretion Disk: Fast Funnel Accretion onto a Weakly Magnetized Star"
    Shinsuke Takasao, Kengo Tomida, Kazunari Iwasaki, Takeru K. Suzuki
    The Astrophysical Journal, Volume 857, Issue 1 (04/2018) (arXiV:1801.07245)
  22. "The impact of the Hall effect during cloud core collapse: implications for circumstellar disk evolution"
    Yusuke Tsukamoto, Satoshi Okuzumi, Kazunari Iwasaki, Masahiro N. Machida, and Shu-ichiro Inutsuka
    Publications of the Astronomical Society of Japan, Volume 69, Issue 6, id.95 (arXiv:1706.04363)
  23. "First results from BISTRO -- a SCUBA-2 polarimeter survey of the Gould Belt"
    D. Ward-Thompson et al. (including Kazunari Iwasaki),
    The Astrophysical Journal, Volume 842, Issue 1, article id. 66, 10pp (06/2017)
  24. "Detection of submillimeter-wave [C I] emission in gaseous debris disks of 49 Ceti and β Pictoris"
    Aya E. Higuchi, Aki Sato, Takashi Tsukagoshi, Nami Sakai, Kazunari Iwasaki, Munetake Momose, Hiroshi Kobayashi, Daisuke Ishihara, Sakae Watanabe, Hidehiro Kaneda, and Satoshi Yamamoto
    The Astrophysical Journal Letters, Volume 839, Issue 1, article id. L14, 6pp. (04/2017)
  25. "Minimizing dispersive errors in smoothed particle magnetohydrodynamics for strongly magnetized medium"
    Kazunari Iwasaki
    Journal of Computational Physics, Volume 302, pp. 359-373, (12/2015)
  26. "Bimodality of Circumstellar Disk Evolution Induced by the Hall Current"
    Yusuke Tsukamoto, Kazunari Iwasaki, Satoshi Okuzumi, Masahiro N. Machida, Shu-ichiro Inutsuka
    The Astrophysical Journal Letters, Volume 810, Issue 2, article id. L26, 5 pp., (09/2015)
  27. "Effects of Ohmic and ambipolar diffusion on the formation and evolution of the first core, protostar and circumstellar disc"
    Yusuke Tsukamoto, Kazunari Iwasaki, Satoshi Okuzumi, Masahiro N. Machida, Shu-ichiro Inutsuka
    Monthly Notices of the Royal Astronomical Society, Volume 452, Issue 1. pp.278-288, (09/2015)
  28. The Formation and Destruction of Molecular Clouds and Galactic Star Formation:
    An Origin for The Cloud Mass Function and Star Formation Efficiency"
    Shu-ichiro Inutsuka, Tsuyoshi Inoue, Kazunari Iwasaki, Takashi Hosokawa
    Astronomy & Astrophysics, Volume 452, id. A49 (08/2015)
  29. "Self-Sustained Turbulence without Dynamical Forcing:
    A Two-Dimensional Study of a Bistable Interstellar Medium"
    Kazunari Iwasaki and Shu-ichiro Inutsuka
    The Astrophysical Journal, Volume 784, Issue 2, article id. 115 (04/2014). (arXiv:1309.7139)
  30. "An explicit scheme for ohmic dissipation with smoothed particle magnetohydrodynamics"
    Yusuke Tsukamoto, Kazunari Iwasaki, Shu-ichiro Inutsuka
    Monthly Notices of the Royal Astronomical Society, Volume 434, Issue 3, pp.2593-2599 (09/2013) (arXiv:1305.4436)
  31. "Structure of dynamical condensation fronts in the interstellar medium"
    Kazunari Iwasaki and Shu-ichiro Inutsuka
    Monthly Notices of the Royal Astronomical Society, Volume 428, Issue 4, pp. 3638-3645 (07/2012) (arXiv:1204.5532)
  32. "Smoothed particle magnetohydrodynamics with a Riemann solver and the method of characteristics"
    Kazunari Iwasaki, Shu-ichiro Inutsuka
    Monthly Notices of the Royal Astronomical Society, Volume 418, Issue 3, pp. 1668-1688 (12/2011)
  33. "Alfven Wave Amplification and Self-Containment of Cosmic-Rays Escaping from a Supernova Remnant"
    Yutaka Fujita, Fumio Takahara, Yutaka Ohira, and Kazunari Iwasaki
    Monthly Notices of the Royal Astronomical Society, Volume 415, Issue 4, pp. 3434-3438 (08/2011)
  34. "Gravitational Fragmentation of Expanding Shells. II. Three-dimensional Simulations"
    Kazunari Iwasaki, Shu-ichiro Inutsuka, Toru Tsuribe
    The Astrophysical Journal, Volume 733, Issue 1, article id. 17 (05/2011)
  35. "Gravitational Fragmentation of Expanding Shells. I. Linear Analysis"
    Kazunari Iwasaki, Shu-ichiro Inutsuka, and Toru Tsuribe
    The Astrophysical Journal, Volume 733, Issue 1, article id. 16 (05/2011)
  36. "Fragmentation of a dynamically condensing radiative layer"
    Kazunari Iwasaki and Toru Tsuribe
    Astronomy & Astrophysics, Volume 508, Issue 2, pp.725-735 (12/2009)
  37. "Self-Similar solutions for the dynamical condensation of a radiative gas layer"
    Kazunari Iwasaki and Toru Tsuribe
    Monthly Notices of the Royal Astronomical Society, Volume 387, Issue 4, pp.1554 (07/2008)
  38. "Gravitational Instability of Shocked Interstellar Gas Layers"
    Kazunari Iwasaki and Toru Tsuribe
    Publications of the Astronomical Society of Japan, Volume 60, No.1, pp.125-136 (02/2008)

International Conferences

2019

  • (invited) Kazunari Iwasaki, Kengo Tomida, Tsuyoshi Inoue, Shu-ichiro Inutsuka
    “Roles of Magnetic fields in Formation and Evolution of Molecular Clouds and Cloud Cores” Polarimetry in the ALMA era: a new crossroads of astrophysics, NAOJ, Tokyo, March 26-29, 2019
  • Kazunari Iwasaki, Tomida Kengo, Shinsuke Takasao, Satoshi Okuzumi, Takeru K. Suzuki
    "Global Non-ideal MHD Simulations of Protoplanetary Disks: Inner Boundaries of Dead Zones"
    Athena++ Users Meeting
    Las Vegas, Nevada, USA, 2019年3月20日-22日

2018

  • Kazunari Iwasaki
    "The phase transition dynamics and the formation of magnetized molecular clouds in the interstellar medium" (invited)
    2nd Asia-Pacific Conference on Plasma Physics
    Kanazawa, Japan, November 12-17, 2018
  • Kazunari Iwasaki, Tsuyoshi Inoue, Shu-ichiro Inutsuka
    "The Formation of Filamentary Molecular Clouds by Shock Compression" (invited)
    Interstellar Filament Paradigm
    Nagoya, Japan, November 5-9, 2018
  • Kazunari Iwasaki, Kengo Tomida, Tsuyoshi Inoue, Shu-ichiro Inutsuka
    "The formation of molecular clouds by compression of two-phase atomic gases"
    "The Wonders of Star Formation"
    Edinburgh, Scotland, September 2-9, 2018

2017

2016

2015

  • Kazunari Iwasaki and Hiroshi Kobayashi
    "Developement of an SPH scheme to simulate planet-disk interactions in protoplanetary disks"
    International Conference "Protoplanetary Disk Dynamics and Planet Formation", JUMSTEC, Yokoyama, 29 Sep. - 2 Oct. (poster)

    • 2014

    2011

    • Kazunari Iwasaki, Shu-ichiro Inutsuka, Toru Tsuribe
      "Gravitational Fragmentation of Expanding Shells" (oral talk)
      Winter School and Workshop on Star Formation @ NAOJ Feb. 21-25, 2011

    2010