Masashi Kimura's web page

木村匡志 e-mail

I am an assistant professor at Institute of Theoretical Physics, Department of Physics, Rikkyo University.
My research interests are general relativity, four and higher-dimensional black holes, cosmology, high-energy phenomena around black holes.

2019-present : Assistant professor, Institute of Theoretical Physics, Department of Physics, Rikkyo University.
2016-2019 : Post-Doc (ERC Fellow), CENTRA, Instituto Superior Tecnico, Universidade de Lisboa (University of Lisbon).
2014-2016 : JSPS postdoc, DAMTP, University of Cambridge.
2011-2014 : JSPS postdoc, Yukawa Institute for Theoretical Physics, Kyoto University.
2010-2014 : Part-time lecturer, Osaka Sangyo University.
2010-2011 : Postdoc, Osaka City University Advanced Mathematical Institute.
2008-2010 : JSPS Research Fellow(DC2), Osaka City University.
2007-2010 : PhD, Osaka City University, Osaka, Japan.

photo 


Publication list

  1. Ryan McManus, Emanuele Berti, Caio F. B. Macedo, Masashi Kimura, Andrea Maselli, Vitor Cardoso,
    "Parametrized black hole quasinormal ringdown II: Coupled equations and quadratic corrections for nonrotating black holes",
    arXiv:1906.05155 [gr-qc].

  2. Vitor Cardoso, Masashi Kimura, Andrea Maselli, Emanuele Berti, Caio F. B. Macedo, Ryan McManus,
    "Parametrized black hole quasinormal ringdown I: Decoupled equations for nonrotating black holes",
    Phys.Rev.D.99,104077,2019,
    arXiv:1901.01265 [gr-qc].

  3. Masashi Kimura, Takahiro Tanaka,
    "Stability analysis of black holes by the S-deformation method for coupled systems",
    Class.Quant.Grav.36:055005,2019,
    arXiv:1809.00795 [gr-qc].

  4. Vitor Cardoso, Masashi Kimura, Andrea Maselli, Leonardo Senatore,
    "Black holes in an Effective Field Theory extension of GR",
    Phys.Rev.Lett.121.251105,2018,
    arXiv:1808.08962 [gr-qc],
    see also https://centra.tecnico.ulisboa.pt/network/grit/news/?id=5271.

  5. Masashi Kimura,
    "Stability analysis of Schwarzschild black holes in dynamical Chern-Simons gravity",
    Phys.Rev.D.98,024048,2018,
    arXiv:1807.05029 [gr-qc].

  6. Leor Barack et al, [including Masashi Kimura],
    "Black holes, gravitational waves and fundamental physics: a roadmap",
    Class.Quant.Grav.36:143001,2019,
    arXiv:1806.05195 [gr-qc].

  7. Masashi Kimura, Takahiro Tanaka,
    "Robustness of S-deformation method for black hole stability analysis",
    Class.Quant.Grav.35:195008,2018,
    arXiv:1805.08625 [gr-qc].

  8. Vitor Cardoso, Tsuyoshi Houri, Masashi Kimura,
    "General first-order mass ladder operators for Klein-Gordon fields",
    Class.Quant.Grav.35:015011,2017,
    arXiv:1707.08534 [hep-th].

  9. Vitor Cardoso, Tsuyoshi Houri, Masashi Kimura,
    "Mass Ladder Operators from Spacetime Conformal Symmetry",
    Phys.Rev.D.96,024044,2017,
    arXiv:1706.07339 [hep-th].

  10. Masashi Kimura,
    "A simple test for stability of black hole by S-deformation",
    Class.Quant.Grav.34:235007,2017,
    arXiv:1706.01447 [gr-qc].

  11. Takeshi Chiba, Masashi Kimura,
    "A Note on Geodesics in Hayward Metric",
    Prog.Theor.Exp.Phys.2017,043E01,
    arXiv:1701.04910 [gr-qc].

  12. Hideki Ishihara, Masashi Kimura, Ken Matsuno,
    "Charged black strings in a five-dimensional Kasner universe",
    Phys.Rev.D.93,024037,2016,
    arXiv:1511.01913 [hep-th].

  13. Mandar Patil, Tomohiro Harada, Ken-ichi Nakao, Pankaj S. Joshi, and Masashi Kimura,
    "Infinite efficiency of the collisional Penrose process: Can a overspinning Kerr geometry be the source of ultrahigh-energy cosmic rays and neutrinos?",
    Phys.Rev.D.93,104015,2016,
    arXiv:1510.08205 [gr-qc].

  14. Ken Matsuno, Hideki Ishihara and Masashi Kimura,
    "A pair of extremal charged black holes on Kerr-Taub-bolt space",
    Class.Quant.Grav.32:215008,2015,
    arXiv:1504.04203 [hep-th].

  15. Mandar Patil, Pankaj S. Joshi, Ken-ichi Nakao, Masashi Kimura, Tomohiro Harada,
    "Timescale for trans-Planckian collisions in Kerr spacetime,"
    EPL(Europhysics Letters),110(2015),30004,
    arXiv:1503.08331 [gr-qc].

  16. Tomohiro Harada and Masashi Kimura,
    "Black holes as particle accelerators: a brief review,"
    Class.Quant.Grav.31:243001,2014,
    arXiv:1409.7502 [gr-qc].

  17. Ryo Shiose, Masashi Kimura and Takeshi Chiba,
    "Motion of Charged Particles around a Weakly Magnetized Rotating Black Hole."
    Phys.Rev.D.90,124016,2014,
    arXiv:1409.3310 [gr-qc].

  18. Yuki Kanou, Hideki Ishihara, Masashi Kimura, Ken Matsuno and Takamitsu Tatsuoka,
    "Charged Black Holes in a Five-dimensional Kaluza-Klein Universe,"
    Phys.Rev.D.90,084004,2014,
    arXiv:1408.2956 [hep-th].

  19. Masashi Kimura, Hideki Ishihara, Ken Matsuno and Takahiro Tanaka,
    "A simple diagnosis of non-smoothness of black hole horizon: Curvature singularity at horizons in extremal Kaluza-Klein black holes,"
    Class.Quant.Grav.32:015005,2015,
    arXiv:1407.6224 [gr-qc].

  20. Ken-ichi Nakao, Masashi Kimura, Tomohiro Harada, Mandar Patil, Pankaj S. Joshi,
    "How small can an over-spinning body be in general relativity?"
    Phys.Rev.D.90.124079,2014,
    arXiv:1406.6798 [gr-qc].

  21. Naoki Tsukamoto, Masashi Kimura, Tomohiro Harada,
    "High Energy Collision of Particles in the Vicinity of Extremal Black Holes in Higher Dimensions: Banados-Silk-West Process as Linear Instability of Extremal Black Holes,"
    Phys.Rev.D.89.024020,2014,
    arXiv:1310.5716 [gr-qc].

  22. Ken-ichi Nakao, Masashi Kimura, Mandar Patil, Pankaj S. Joshi,
    "Ultra-high energy collision with neither black hole nor naked singularity,"
    Phys.Rev.D.87.104033,2013,
    arXiv:1301.4618 [gr-qc].

  23. Ken Matsuno, Hideki Ishihara, Masashi Kimura, Takamitsu Tatsuoka,
    "Charged rotating Kaluza-Klein multi-black holes and multi-black strings in five-dimensional Einstein-Maxwell theory, "
    Phys.Rev.D.86.104054,2012,
    arXiv:1208.5536 [hep-th].

  24. Ken Matsuno, Hideki Ishihara, Masashi Kimura, Takamitsu Tatsuoka,
    "Kaluza-Klein vacuum multi-black holes in five-dimensions,"
    Phys.Rev.D.86.044036,2012,
    arXiv:1206.4818 [hep-th].

  25. Takahisa Igata, Tomohiro Harada, Masashi Kimura,
    "Effect of a Weak Electromagnetic Field on Particle Acceleration by a Rotating Black Hole,"
    Phys.Rev.D.85.104028,2012,
    arXiv:1202.4859 [gr-qc].

  26. Takamitsu Tatsuoka, Hideki Ishihara, Masashi Kimura, Ken Matsuno,
    "Extremal Charged Black Holes with a Twisted Extra Dimension,"
    Phys.Rev.D.85.044006,2012,
    arXiv:1110.6731 [hep-th].

  27. Tomohiro Harada, Masashi Kimura,
    "Collision of an object in the transition from adiabatic inspiral to plunge around a Kerr black hole,"
    Phys.Rev.D.84.124032,2011,
    arXiv:1109.6722 [gr-qc].

  28. Mandar Patil, Pankaj S. Joshi, Masashi Kimura, Ken-ichi Nakao,
    "Acceleration of particles and shells by Reissner-Nordstrom naked singularities,"
    PhysRevD.86.084023,2012,
    arXiv:1108.0288 [gr-qc].

  29. Tomohiro Harada, Masashi Kimura,
    "Collision of two general geodesic particles around a Kerr black hole,"
    Phys.RevD.83.084041,2011,
    arXiv:1102.3316 [gr-qc].

  30. Masashi Kimura, Ken-ichi Nakao and Hideyuki Tagoshi,
    "Acceleration of colliding shells around a black hole: Validity of the test particle approximation in the Banados-Silk-West process,"
    Phys.RevD.83.044013,2011,
    arXiv:1010.5438 [gr-qc].

  31. Yohsuke Takamori, Ken-ichi Nakao, Hideki Ishihara, Masashi Kimura and Chul-Moon Yoo,
    "Perturbative Analysis of a Stationary Magnetosphere in an Extreme Black Hole Spacetime : On the Meissner-like Effect of an Extreme Black Hole,"
    Mon.Not.R.Astron.Soc.412,2417,2011,
    arXiv:1010.4104 [gr-qc].

  32. Tomohiro Harada, Masashi Kimura,
    "Collision of an innermost stable circular orbit particle around a Kerr black hole,"
    Phys.Rev.D83.024002,2011,
    arXiv:1010.0962 [gr-qc].

  33. Ryusuke Nishikawa, Masashi Kimura,
    "Stability analysis of squashed Kaluza-Klein black holes with charge,"
    Class.Quant.Grav.27:215020,2010,
    arXiv:1005.1367 [hep-th].

  34. Masashi Kimura, Hideki Ishihara, Shinya Tomizawa, Chul-Moon Yoo,
    "Topology Changing Process of Coalescing Black Holes on Eguchi-Hanson Space,"
    Phys.Rev.D80.064030,2009,
    arXiv:0906.4681 [gr-qc].

  35. Chul-Moon Yoo, Hideki Ishihara, Masashi Kimura, Sugure Tanzawa,
    "Hoop Conjecture and the Horizon Formation Cross-Section in Kaluza-Klein Spacetimes,"
    Phys.Rev.D81.024020,2010,
    arXiv:0906.0689 [gr-qc].

  36. Masashi Kimura,
    "Dynamical Black Rings with a Positive Cosmological Constant,"
    Phys.Rev.D80:044012,2009,
    arXiv:0904.4311 [gr-qc].

  37. Sugumi Kanno, Masashi Kimura, Jiro Soda, Shuichiro Yokoyama,
    "Anisotropic Inflation from Vector Impurity,"
    JCAP08(2008)034,
    arXiv:0806.2422 [hep-ph].

  38. Masashi Kimura,
    "Analyticity of Event Horizons of Five-Dimensional Multi-Black Holes with Non-Trivial Asymptotic Structure,"
    Phys.Rev.D78:047504,2008,
    arXiv:0805.1125 [gr-qc].

  39. Hideki Ishihara, Masashi Kimura, Roman A. Konoplya, Keiju Murata, Jiro Soda and Alexander Zhidenko,
    "Evolution of perturbations of squashed Kaluza-Klein black holes: escape from instability,"
    Phys.Rev.D77:084019,2008,
    arXiv:0802.0655 [hep-th].

  40. Masashi Kimura, Keiju Murata, Hideki Ishihara and Jiro Soda,
    "Stability of Squashed Kaluza-Klein Black Holes,"
    Phys.Rev.D77:064015,2008,
    arXiv:0712.4202 [hep-th].

  41. Chul-Moon Yoo, Hideki Ishihara, Masashi Kimura, Ken Matsuno and Shinya Tomizawa,
    "Horizons of Coalescing Black Holes on Eguchi-Hanson Space,"
    Class.Quant.Grav.25:095017,2008,
    arXiv:0708.0708 [gr-qc].

  42. Ken Matsuno, Hideki Ishihara, Masashi Kimura and Shinya Tomizawa,
    "Coalescence of Rotating Black Holes on Eguchi-Hanson Space,"
    Phys.Rev.D76:104037,2007,
    arXiv:0707.1757 [hep-th].

  43. Shinya Tomizawa, Hideki Ishihara, Masashi Kimura and Ken Matsuno,
    "Supersymmetric black rings on Eguchi-Hanson space,"
    Class.Quant.Grav.24:5609-5626,2007,
    arXiv:0705.1098 [hep-th].

  44. Daisuke Ida, Hideki Ishihara, Masashi Kimura, Ken Matsuno, Yoshiyuki Morisawa and Shinya Tomizawa,
    "Cosmological black holes on Taub-NUT space in five-dimensional Einstein-Maxwell theory,"
    Class.Quant.Grav.24:3141-3150,2007,
    arXiv:hep-th/0702148.

  45. Hideki Ishihara, Masashi Kimura and Shinya Tomizawa,
    "Topology Change of Coalescing Black Holes on Eguchi-Hanson Space,"
    Class.Quant.Grav.23:L89,2006,
    arXiv:hep-th/0609165,
    selected as "Classical and Quantum Gravity Research Highlights of 2006/2007."

  46. Hideki Ishihara, Masashi Kimura, Ken Matsuno and Shinya Tomizawa,
    "Black Holes on Eguchi-Hanson Space in Five-Dimensional Einstein-Maxwell Theory,"
    Phys.Rev.D74:047501,2006,
    arXiv:hep-th/0607035.

  47. Hideki Ishihara, Masashi Kimura, Ken Matsuno and Shinya Tomizawa,
    "Kaluza-Klein Multi-Black Holes in Five-Dimensional Einstein-Maxwell Theory,"
    Class.Quant.Grav.23:6919-6926,2006,
    arXiv:hep-th/0605030,
    selected as "Classical and Quantum Gravity Research Highlights of 2006/2007."

INSPIRE publication list
INSPIRE

Reviews [written in Japanese]

  1. Tomohiro Harada and Masashi Kimura,
    "Do black holes act as natural particle accelerators?"
    BUTSURI(The Physical Society of Japan),Vol68,No.2,2013,pp102,
    [日本物理学会誌 2013年2月号 pp102-106],
    pdf file.

Award

  1. OCAMI (Osaka City University Advanced Mathematical Institute) Association Special Prize (Mar, 2017).

  2. EPL(Europhysics Letters) awards for the best presentation at the Asia Pacific School/Workshop (Feb, 2013).

Link

    Universidade de Lisboa (University of Lisbon) >> Instituto Superior Tecnico >> CENTRA >> Gravitation in Tecnico (GRIT) group

    University of Cambridge >> DAMTP >> DAMTP Relativity & Gravitation Group, Centre for Theoretical Cosmology(CTC)

    Kyoto University >> Yukawa Institute for Theoretical Physics >> YITP Cosmology Group

    Osaka City University >> Department of Physics >> Research Group for Theoretical Astrophysics




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