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  1. Y. Sakurai, E. I., Vorobyov, T. Hosokawa, N. Yoshida, K. Omukai & H. W. Yorke (2016)
    gSupermassive star formation via episodic accretion: protostellar disc instability and radiative feedback efficiencyh
    Monthly Notices of the Royal Astronomical Society, 459, 1137
  2. R. Valiante, R. Schneider, M. Volonteri & K. Omukai (2016)
    gFrom the first stars to the first black holes
    h
    Monthly Notices of the Royal Astronomical Society, 457, 3356
  3. K. Sugimura, C. M. Coppola, K. Omukai, D. Galli, & F. Palla (2016)
    gRole of the H_2^+ channel in the primordial star formation under strong radiation field and the critical intensity for the supermassive star formation
    h
    Monthly Notices of the Royal Astronomical Society, 457, 3356
  4. T. Inoue & K. Omukai (2015)
    gThermal Instability and Multi-phase Interstellar Medium in the First Galaxiesh
    The Astrophysical Journal, 805, id.73, 11pp.
  5. S. Hirano, T. Hosokawa, N. Yoshida, K. Omukai & H. W. Yorke (2015)
    gPrimordial star formation under the influence of far ultraviolet radiation: 1540 cosmological haloes and the stellar mass distribution
    h
    Monthly Notices of the Royal Astronomical Society, 448, 568-587
  6. H. Susa, K. Doi & K. Omukai (2015)
    gDissipation of Magnetic Fields in Star-forming Clouds with Different Metallicities
    h
    The Astrophysical Journal, 801, id.13, 12pp.
  7. G. Chiaki, S. Marassi, T. Nozawa, N. Yoshida, R. Schneider, K. Omukai, M. Limongi & A. Chieffi (2015)
    gSupernova dust formation and the grain growth in the early universe: the critical metallicity for low-mass star formation
    h
    Monthly Notices of the Royal Astronomical Society, 446, 2659-2672
  8. K. Inayoshi, K. Omukai & E. Tasker (2014)
    gFormation of an embryonic supermassive star in the first galaxy
    h
    Monthly Notices of the Royal Astronomical Society, 445, L109-L113
  9. K. Sugimura, K. Omukai & A. K. Inoue (2014)
    gThe critical radiation intensity for direct collapse black hole formation: dependence on the radiation spectral shape
    h
    Monthly Notices of the Royal Astronomical Society, 445, 544-553
  10. S. Marassi, G. Chiaki, R. Schneider, M. Limongi, K. Omukai, K., T. Nozawa, A. Chieffi, A. & N. Yoshida (2014)
    gThe Origin of the Most Iron-poor Star
    h
    The Astrophysical Journal, 794, id.100, 12pp.
  11. D. Nakauchi, K. Inayoshi & K. Omukai (2014)
    gConditions for HD cooling in the first galaxies revisited: interplay between far-ultraviolet and cosmic ray feedback in Population III star formation
    h
    Monthly Notices of the Royal Astronomical Society, 442, 2667-2679
  12. G. Chiaki,  R. Schneider, T. Nozawa, K. Omukai, M. Limongi, N. Yoshida, & A. Chieffi (2014)
    gDust grain growth and the formation of the extremely primitive star SDSS J102915+172927
    h
    Monthly Notices of the Royal Astronomical Society, 439, 3121-3127
  13. K. E. I. Tanaka & K. Omukai (2014)
    gGravitational instability in
     protostellar discs at low metallicitiesh
    Monthly Notices of the Royal Astronomical Society, 439, 1884-1896
  14. S. Hirano, T. Hosokawa, N. Yoshida, H. Umeda, K. Omukai, G. Chiaki, & H. W. Yorke (2014)
    gOne Hundred First Stars: Protostellar Evolution and the Final Massesh
    The Astrophysical Journal, 781, 60, id.60, 22pp.
  15. T. Hosokawa, H. W. Yorke, K. Inayoshi, K. Omukai, & N. Yoshida (2013)
    gFormation of Primordial Supermassive Stars by Rapid Mass Accretionh
    The Astrophysical Journal, 778, 178, id.178, 13 pp.
  16. K. E. I. Tanaka, T. Nakamoto, & K. Omukai (2013)     
    gPhotoevaporation of Circumstellar Disks Revisited: The Dust-free Caseh
    The Astrophysical Journal, 773, 155
  17. K. Inayoshi, T. Hosokawa, & K. Omukai (2013)
    gPulsational instability of supergiant protostars: do they grow supermassive by accretion?h
    Monthly Notices of the Royal Astronomical Society, 431, 3036
  18. T. Hosokawa, N. Yoshida, K. Omukai, & H. W. Yorke (2012)
    gProtostellar Feedback and Final Mass of the Second-Generation Primordial Starsh
    The Astrophysical Journal, 760, L37
  19. K. Omukai (2012)
    gDo the environmental conditions affect the dust-induced fragmentation in low-metallicity clouds ?:
    Effect of pre-ionization and far-ultraviolet/cosmic-ray fieldsh
    Publications of the Astronomical Society of Japan, 64, 114 (9pages)
  20. T. Hosokawa, K. Omukai, & H. W. Yorke (2012)
    gRapidly Accreting Supergiant Protostars: Embryos of Supermassive Black Holes?h
    The Astrophysical Journal, 756, id.93
  21. R. Smith, T. Hosokawa, K. Omukai, S. O. C. Glover, & R. S. Klessen (2012)
    g
    Variable Accretion Rates and Fluffy First Starsh
    Monthly Notices of the Royal Astronomical Society, 424, 457-463
  22. R. Schneider, K. Omukai, M. Limongi, A. Ferrara, R. Salvaterra, A. Chieffi, & S. Bianchi (2012)
    gThe formation of the extremely primitive star SDSS J102915+172927 relies on dusth
    Monthly Notices of the Royal Astronomical Society, 424, L60-L64
  23. K. Inayoshi, & K. Omukai (2012)
    g
    Supermassive black hole formation by the cold accretion shocks in the first galaxiesh
    Monthly Notices of the Royal Astronomical Society, 422, 2539-2546
  24. R. Schneider, K. Omukai, B. Simone, & R. Valiante (2012)
    gThe first low-mass stars: critical metallicity or dust-to-gas ratio?h
     Monthly Notices of the Royal Astronomical Society, 419, 1566-1575
  25. T. Hosokawa, K. Omukai, N. Yoshida, & H. W. Yorke (2011)
    gProtostellar Feedback Halts the Growth of the First Stars in the Universeh
    Science, 334, 1250-1253
  26. K. Inayoshi, & K. Omukai (2011)
    gEffect of cosmic ray/X-ray ionization on supermassive black hole formationh
    Monthly Notices of the Royal Astronomical Society, 416, 2748-2759
  27. K. Omukai, T. Hosokawa, & N. Yoshida (2010)
    gLow-Metallicity Star Formation: Prestellar Collapse and Protostellar Accretion in the Spherical Symmetryh
    The Astrophysical Journal, 722, 1793-1815
  28. T. Hosokawa, H. W. Yorke, & K. Omukai (2010)
    gEvolution of Massive Protostars via Disk Accretionh
    The Astrophysical Journal, 721, 478-492
  29. R. Schneider, & K. Omukai (20P0)
    gMetals, dust and the cosmic microwave background: fragmentation of high-redshift star-forming cloudsh
    Monthly Notices of the Royal Astronomical Society, 402, 429-435
  30. T. Nagakura, T. Hosokawa, & K. Omukai (2009)
    gStar formation triggered by supernova explosions in young galaxiesh
    Monthly Notices of the Royal Astronomical Society, 399, 2183-2194
  31. H. Hirashita & K. Omukai (2009)
    gDust coagulation in star formation with different metallicitiesh
    Monthly Notices of the Royal Astronomical Society, 399, 1795-1801
  32. M. N. Machida, K. Omukai, T. Matsumoto, & S. Inutsuka (2009)
    h Binary formation with different metallicities: dependence on initial conditionsh
    Monthly Notices of the Royal Astronomical Society, 399, 1255-1263
  33. M. N. Machida, K. Omukai,@& T. Matsumoto (2009)
    h Star Formation in Relic H II Regions of the First Stars: Binarity and Outflow Drivingh
    The Astrophysical Journal, 705, 64-67
  34. T. Hosokawa,& K. Omukai (2009)
    h
    Low-Metallicity Protostars and the Maximum Stellar Mass Resulting from Radiative Feedback: Spherically Symmetric Calculationsh
    The Astrophysical Journal, 703, 1810-1818
  35. T. Hosokawa,& K. Omukai (2009)
    hEvolution of Massive Protostars with High Accretion Ratesh
    The Astrophysical Journal, 691, 823-846
  36. K. Omukai, R. Schneider, & Z. Haiman (2008)
    hCan Supermassive
    @Black Holes Form in the Metal-Enriched High-redshift Protogalaxies?h
    The Astrophysical Journal, 686,801-814
  37. N. Yoshida, K. Omukai, & L. Hernquist (2008)
    hProtostar Formation in the Early Universeh
    Science, 321, 669-671
  38. M. N. Machida, K. Omukai, T. Matsumoto, & S. Inutsuka (2008)
    hConditions for the Formation of First-Star Binariesh
    The Astrophysical Journal, 677, 813-827
  39. T. Tsuribe & K. Omukai (2008)
    h Physical Mechanism for the Intermediate Characteristic Stellar Mass in the Extremely Metal-Poor Environmentsh
    The Astrophysical Journal, 676, L45-48
  40. S. Inoue, K. Omukai, & B. Ciardi (2007)
    hThe radio to infrared emission of very high redshift gamma-ray bursts:
    probing early star formation through molecular and atomic absorption linesh
    Monthly Notices of the Royal Astronomical Society, 380, 1715-1728
  41. N. Yoshida, K. Omukai, & L. Hernquist, (2007)
    hFormation of Massive Primordial Stars in a Reionized Gash
    The Astrophysical Journal, 667, L117-L120
  42. K. Omukai (2007)
    hObservational Characteristics of the First Protostellar Coresh
    Publications of the Astronomical Society of Japan, 59, 589-606
  43. M. Yamada, H. Koyama, K. Omukai, & S. Inutsuka (2007)
    hSynthetic Observations of Carbon Lines of Turbulent Flows in Diffuse Multiphase Interstellar Mediumh
    The Astrophysical Journal, 657, 849-859
  44. N. Yoshida, K. Omukai, L. Hernquist, & T. Abel (2006)
    hFormation of Primordial Stars in a CDM Universeh
    The Astrophysical Journal, 652, 6-25
  45. M. N. Machida, K. Omukai, T. Matsumoto, & S. Inutsuka (2006)
    hThe First Jets in the Universe: Protostellar Jets from the First Starsh
    The Astrophysical Journal, 647, L1-L4
  46. R. Schneider, K. Omukai, A. K. Inoue, & A. Ferrara (2006)
    "Fragmentation of star-forming clouds enriched with the first dust"
    Monthly Notices of the Royal Astronomical Society, 369, 1437-1444
  47. T. Tsuribe, & K. Omukai (2006)
    "Dust-cooling--induced Fragmentation of Low-metallicity Clouds"
    The Astrophysical Journal, 642, L61-L64
  48. T. Nagakura, & K. Omukai (2005)
    " Formation of Population III Stars in Fossil HII Regions: Significance of HD"
    Monthly Notices of the Royal Astronomical Society, 364, 1378-1386
  49. H. Mizusawa, K. Omukai, & R. Nishi (2005)
    " Primordial Molecular Emission in Population III Galaxies"
    Publications of Astronomical Society of Japan, 57, 951-967
  50. K. Omukai, T. Tsuribe, R. Schneider, & A. Ferrara (2005)
    "Thermal and Fragmentation Properties of Star-Forming Clouds in Low-Metallicity Environments"
    The Astrophysical Journal, 626, 627-643
  51. H. Mizusawa, R. Nishi, & K. Omukai (2004)
    " H2 Line Emission Associated with the Formation of the First Stars"
    Publications of Astronomical Society of Japan, 56, 487-495
  52. K. Omukai, & Y. Yoshii (2003)
    "The Mass Spectrum of Metal-free Stars Resulting from Photodissociation Feedback:
    A Scenario for the Formation of Low-Mass Population III Stars "
    The Astrophysical Journal, 599, 746-758
  53. K. Omukai, & T. Kitayama (2003)
    "Observing H2 Emission in Forming Galaxies"
    The Astrophysical Journal, 599, 738-745
  54. K. Omukai, & F. Palla (2003)
    "Formation of the First Stars by Accretion"
    The Astrophysical Journal, 589, 677-687
  55. R. Schneider, A. Ferrara, R. Salvaterra, K. Omukai, & V. Bromm (2003)
    "Low-mass Relics of Early Star Formation"
    Nature, 442, 869-871
  56. R. Schneider, A. Ferrara, P. Natarajan, & K. Omukai (2002)
    "First Stars, Very Massive Black Holes, and Metals"
    The Astrophysical Journal, 571, 30-39
  57. K. Omukai, & S. Inutsuka (2002)
    "An Upper Limit on the Mass of a Primordial Star due to the Formation of an HII Region:
    The Effect of Ionizing Radiation Force"
    Monthly Notices of the Royal Astronomical Society, 332, 59-64
  58. K. Omukai, & F. Palla (2001)
    "On the Formation of Massive Primordial Stars"
    The Astrophysical Journal 561, L55-L58
  59. K. Omukai (2001)
    "Primordial Star Formation under Far-Ultraviolet Radiation"
    The Astrophysical Journal 546, 635-651
  60. K. Omukai (2000)
    "Protostellar Collapse with Various Metallicities"
    The Astrophysical Journal 534, 809-824
  61. K. Omukai, & R. Nishi (1999)
    "Photodissociative Regulation of Star Formation in Metal-Free Pregalactic Clouds"
    The Astrophysical Journal 518, 64-68
  62. K. Omukai, & R. Nishi (1998)
    "Formation of Primordial Protostars"
    The Astrophysical Journal 508, 141-150
  63. R. Nishi, H. Susa, H. Uehara, M. Yamada, & K. Omukai (1998)
    "Thermal and Dynamical Evolution of Primordial Gas Clouds
    --- On the Formation of First Luminous Objects ---"
    Progress of Theoretical Physics, 100, 881-903 (Invited Review)
  64. K. Omukai, R. Nishi, H. Uehara, & H. Susa (1998)
    "Evolution of Primordial Protostellar Clouds ---Quasi-Static Analysis---"
    Progress of Theoretical Physics, 99, 747-761