- Tomohiro Harada, “Primordial black holes, their formation and a recent topic”,
16th May 2025, Strong Group Meeting Talk, Niels Bohr Institute, Copenhagen, Denmark
- Tomohiro Harada, “Revisiting compaction functions”,
10th May 2023, Early Universe and Ali CPT Forum run by the Particle Cosmology Group at University of Science and Technology in China, (online, invited)
- Tomohiro Harada, “Particle creation by horizonless compact
objects”, 14th October 2019,
Kobe University, Kobe, Japan
- Tomohiro Harada, “Primordial black hole formation”, 2nd
September 2019, Osaka City University, Japan
- 原田知広、「基礎物理学特別講義IA」(集中講義「原始ブラックホールの
形成」10コマ)、2019年9月2日-4日、大阪市立大学
- Tomohiro Harada, “A Brief Introduction to Traversable
Wormholes”, as an invited talk for KMI Interdisciplinary
Seminars, 22nd July 2019, Nagoya University, Japan
- Tomohiro Harada, “Formation of primordial black holes”,
as invited lectures for International KEK-Cosmo and APCosPA Winter School 2019
“Primordial Black Hole”, 22nd - 24th January 2019, KEK,
Tsukuba, Japan
- Tomohiro Harada, “Formation of primordial black holes from
primordial fluctuations”, 21 November 2017, Nagoya University, Japan.
- Tomohiro Harada, “Lecture on the analytic formula for
primordial black hole formation”, 21 November 2017, Nagoya University, Japan.
- Tomohiro Harada,
“Primordial black holes formed in the matter-dominated phase of the
Universe”,
19 October 2017, CENTRA, Instituto Superior Tecnico, University of
Lisbon, Portugal
- Tomohiro Harada,
“Primordial black hole formation from cosmological fluctuations”,
29 January 2016, Department of Physics, Yamaguchi University, Japan
- Tomohiro Harada,
“Primordial black hole formation from cosmological fluctuations”,
27 November 2015, Department of Physics, Waseda University, Tokyo, Japan
- Tomohiro Harada,
“Primordial black hole formation from cosmological fluctuations”,
20 October 2015, Department of Physics, Nagoya University, Japan
- Tomohiro Harada,
“Primordial black hole formation from cosmological fluctuations”,
16 October 2015, Department of Physics, Hokkaido University, Sapporo, Japan
- Tomohiro Harada,
“Black holes as particle accelerators: a brief review”,
15 October 2014, Department of Physics, Kobe University, Japan
- Tomohiro Harada,
“Kantowski-Sachs, Black Holes and Wormholes I”,
18 July 2014, Department of Physics, Rikkyo University, Tokyo, Japan
- Tomohiro Harada,
“Threshold of primordial black hole formation”,
30 May 2014, Department of Physics, Rikkyo University, Tokyo, Japan
- Tomohiro Harada,
“Threshold of primordial black hole formation”,
14 March 2014, Department of Physics, Osaka City University, Japan
- Tomohiro Harada,
“Kantowski-Sachs, Black Holes and Wormholes”,
6 March 2014, Graduate School of Mathematics, Nagoya University,
Japan
- Tomohiro Harada,
“Particles from high-energy collision near a maximally rotating black hole
and a maximally charged black hole”
5 July 2013, Department of Physics, Waseda University,
Tokyo, Japan
- Tomohiro Harada,
“High-velocity collision of particles around a Kerr black hole and its
implications”, 7 Feb 2013, Centre for Theoretical Physics, Jamia
Millia Islamia, New Delhi, India
- Tomohiro Harada,
“Singularities and Self-Similarity in Gravitational Collapse”, 6 Feb
2013, Centre for Theoretical Physics, Jamia Millia Islamia, New Delhi, India
- Tomohiro Harada,
“High-velocity collision of particles around a Kerr black hole”,
15 June 2012, DAMTP Friday GR Seminar, DAMTP, University of Cambridge, UK
- Tomohiro Harada,
“High-velocity collision of particles around a Kerr black hole”,
2 May 2012, London Relativity and Cosmology Seminar, Queen Mary, University of London, UK
- Tomohiro Harada,
“High-velocity collision of particles around a Kerr black hole”,
6 Mar 2012, College of Science and Technology, Hirosaki University, Japan
- Tomohiro Harada,
“High-velocity collision of particles around a Kerr black hole”,
21 Feb 2012, Department of Physics, Tokyo Institute of Technology, Japan
- Tomohiro Harada,
“High-velocity collision of particles around a Kerr black hole”,
8 Feb 2012, College of Science and Technology, Nihon University, Funabashi, Japan
- Tomohiro Harada,
“High-velocity collision of particles around a Kerr black hole”,
13 Jan 2012, Department of Physics, Waseda University, Tokyo, Japan
- Tomohiro Harada, “High-velocity collision of objects around a rotating black hole”,
12 Apr 2011, Department of Physics, Rikkyo University, Tokyo, Japan
- Tomohiro Harada, “High-velocity collision of objects around a
rapidly rotating black hole”,
14 Nov 2010, Department of Physics, Rikkyo University, Tokyo, Japan
- Tomohiro Harada, “Black hole candidates and the Kerr bound”,
19 Apr 2010, Department of Physics, Rikkyo University, Tokyo, Japan
- Tomohiro Harada, “Einstein-Rosen waves and the
self-similarity hypothesis in cylindrical symmetry”, 10 Mar
2010, School of Mathematical Sciences, Queen Mary University of London, UK
- Tomohiro Harada, “Loop quantum gravity: an insight into
spacetime singularity”, 9 Nov 2009, Yukawa Institute for
Theoretical Physics, Kyoto University, Japan
- Tomohiro Harada, “Einstein-Rosen waves and the
self-similarity hypothesis in cylindrical symmetry”, 30 Oct
2009, Department of Physics, Osaka City University, Japan
- Tomohiro Harada, “Einstein-Rosen waves and the self-similarity hypothesis in cylindrical symmetry”, 9 Oct 2009, Department of Physics, Waseda University, Tokyo, Japan
- Tomohiro Harada, “Einstein-Rosen waves and the self-similarity hypothesis in cylindrical symmetry”, 1 Jun 2009, Department of Physics, Rikkyo University, Tokyo, Japan
- Tomohiro Harada, “Spherical dust collapse from the perspective of loop quantum gravity”, 5 Nov 2008, Centro de Estudios Cientificos, Valdivia, Chile
- Tomohiro Harada, “Singularities and self-similarity in gravitational collapse”, 3 Nov 2008, Centro de Estudios Cientificos, Valdivia, Chile
- Tomohiro Harada, “Spherical dust collapse from the perspective of loop quantum gravity”, 16 Dec 2008, Department of Physics, Osaka City University, Japan
- Tomohiro Harada, “Self-similar black holes in an accelerated universe”, 23 June 2008, Department of Physics, Rikkyo University, Tokyo, Japan.
- Tomohiro Harada, “Self-similar black holes in an accelerated universe”, 6 June 2008, Department of Physics, Waseda University, Tokyo, Japan.
- Tomohiro Harada, “Singularities and Self-Similarity in Gravitational Collapse”, 5 December 2006, Department of Physics, Rikkyo University, Tokyo, Japan.
- Tomohiro Harada, “Thermodynamical Minimum Mass of Black Holes”, 1 November 2006, School of Mathematical Sciences, Queen Mary, University of London, UK
- Tomohiro Harada, “Black Holes in Scalar/Quitessence Cosmology”, 20 October 2006, Department of Physics, Waseda University, Tokyo, Japan
- Tomohiro Harada, “Is there a black hole minimum mass?”, 18 October 2006, Department of Physics, Rikkyo University, Tokyo, Japan
- Tomohiro Harada, “Black Holes in Scalar/Quitessence Cosmology”, 19 April 2006, Department of Physics, Rikkyo University, Tokyo, Japan
- Tomohiro Harada, “The Growth of Primordial Black Holes”, 20
Oct 2005, Department of Physics, University of Tokyo, Japan
- Tomohiro Harada, “The Growth of Primordial Black Holes”, 14 Oct 2005, Department of Physics, Waseda University, Tokyo, Japan
- Tomohiro Harada, “The Growth of Primordial Black Holes”, 15 Oct 2005, Department of Physics, Tokyo Institute of Technology, Japan
- Tomohiro Harada, “The Growth of Primordial Black Holes”, 29 Jul 2005, Department of Physics, Osaka City University, Osaka, Japan
- Tomohiro Harada, “The Growth of Primordial Black Holes”, 12 May 2005, Department of Physics, Kyoto University, Japan
- Tomohiro Harada, “Primordial Black Holes with a Massless Scalar Field”, 24 Feb 2005, Department of Physics, National Central University, Jhongli (Chungli), Taiwan
- Tomohiro Harada, “Border of spacetime, – a window into new physics beyond Einstein gravity –”, 27 Sep 2004, Max-Planck-Institut fuer Gravitationsphysik (Albert-Einstein-Institut), Golm bei Potsdam, Germany
- Tomohiro Harada, “Self-Similar Solutions, Critical Behaviour and Convergence to Attractor in Gravitational Collapse”, 13 Jan 2004, Tata Institute of Fundamental Research, Mumbai, India
- Tomohiro Harada, “Computing gravitational waves from slightly nonspherical stellar collapse”, 5 Dec 2003, Department of Physics and Astronomy, Cardiff University of Wales, Cardiff, UK
- Tomohiro Harada, “Self-Similar Solutions, Critical Behaviour and Convergence to Attractor in Gravitational Collapse”, 10 Nov 2003, Department of Mathematics, University of York, York, UK
- Tomohiro Harada, “Computing gravitational waves from slightly nonspherical stellar collapse”, 6 Nov 2003, Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, UK
- Tomohiro Harada, “Stability of self-similar solutions: kink mode perturbation”, 24 Oct 2003, Centre for Mathematical Sciences, University of Cambridge, Cambridge, UK
- Tomohiro Harada, “Computing gravitational waves from slightly nonspherical stellar collapse”, 9 Oct 2003, Department of Mathematics, University of Southampton, Southampton, UK
- Tomohiro Harada, “Gravitational radiation during the collapse of a supermassive star”, 21 Feb 2003, Department of Physics, Waseda University, Tokyo, Japan
- Tomohiro Harada, “Convergence and criticality in Newtonian gravity”, 24 Oct 2002, Department of Physics, University of Tokyo, Tokyo, Japan