Yuichiro Tada
Curriculum Vitae

466-0833 Nagoya, Japan
15-10-4A Hayato, Showa
H +81-80-9566-9181
B tada.yuichiro.y8@f.mail.nagoya-u.ac.jp
Í https://nekomammat.github.io
1st January 1989

       

Employment & Fellowship
Apr. 2022– Associate Researcher, KEK, Ibaraki, Japan.
Present Theory Center
Apr. 2021– Designated Assistant Professor, Nagoya University, Nagoya, Japan.
Present Institute for Advanced Research & Department of Physics, Cosmology group
Apr. 2019– Part-time Lecturer, Daido University, Nagoya, Japan.
Mar. 2021 Classical mechanics 1, 2
Apr. 2018– JSPS Fellow PD, Nagoya University, Nagoya, Japan.
Mar. 2021 Department of Physics, Cosmology group
Apr. 2017– Post-Doctoral Researcher, Institut d’Astrophysique de Paris, Paris, France.
Mar. 2018 Dr. Sébastien Renaux-Petel’s Group
Apr. 2015– JSPS Fellow DC2, The University of Tokyo, Chiba, Japan.
Mar. 2017 Kavli IPMU & ICRR
Oct. 2012– ALPS Fellow, The University of Tokyo, Chiba, Japan.
Mar. 2017 Kavli IPMU & ICRR

Education
23rd Mar. Ph.D. in physics, The University of Tokyo, Chiba, Japan.
2017 Department of Physics. Advisor: Masahiro Kawasaki, Hitoshi Murayama
24th Mar. Master of Science in physics, The University of Tokyo, Tokyo, Japan.
2014 Department of Physics. Advisor: Masahiro Kawasaki, Hitoshi Murayama
23rd Mar. Bachelor of Science in physics, The University of Tokyo, Tokyo, Japan.
2012 Department of Physics

Research Interest
Inﬂation- stochastic effect, δN formalism, non-Gaussianity- supergravity, metric-afﬁne gravity, Higgs inﬂation- curved target space

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Primordial Black Hole- dark matter, gravitational waves- precise abundance prediction

Helical Particle Production- inﬂationary magnetogenesis, helical gravitational waves, lepto/baryogenesis

Publications
2022
30. Effective inspiral spin distribution of primordial black hole binaries, Y. Koga,
T. Harada, Y. Tada, S. Yokoyama and C. M. Yoo, arXiv:2208.00696 [gr-qc].
29. Stochastic formalism for U(1) gauge ﬁelds in axion inﬂation, T. Fujita,
K. Mukaida and Y. Tada , arXiv:2206.12218 [astro-ph.CO].
28. Effective treatment of U(1) gauge ﬁeld and charged particles in axion inﬂation,
arXiv:2204.01180 [hep-ph], T. Fujita, J. Kume, K. Mukaida and Y. Tada .
27. Simulation of primordial black holes with large negative non-Gaussianity, JCAP
05, no.05, 012 (2022), arXiv:2202.01028 [astro-ph.CO], A. Escrivà, Y. Tada,
S. Yokoyama and C. M. Yoo.

2021
26. Statistics of coarse-grained cosmological ﬁelds in stochastic inﬂation, JCAP 02,
no.02, 021 (2022), arXiv:2111.15280 [astro-ph.CO], Y. Tada and V. Vennin.
25. On UV-completion of Palatini-Higgs inﬂation, JCAP 05, no.05, 035 (2022),
arXiv:2110.03925 [hep-ph], Y. Mikura and Y. Tada .
24. Primordial black holes in peak theory with a non-Gaussian tail, JCAP 10, 053(2021), arXiv:2109.00791 [astro-ph.CO], N. Kitajima, Y. Tada, S. Yokoyama andC. M. Yoo.
23. Minimal k-inﬂation in light of the conformal metric-afﬁne geometry, Phys. Rev.
D 103, no.10, L101303 (2021), arXiv:2103.13045 [hep-th], Y. Mikura, Y. Tadaand S. Yokoyama.
22. Revisiting non-Gaussianity in non-attractor inﬂation models in the light of thecosmological soft theorem, PTEP 2021, no.7, 073E02 (2021), arXiv:2101.10682[hep-th], T. Suyama, Y. Tada and M. Yamaguchi.

2020
21. Induced gravitational waves as a cosmological probe of the sound speed during the QCD phase transition, JCAP 06, 048 (2021), arXiv:2010.06193 [astroph.CO], K. T. Abe, Y. Tada and I. Ueda.
20. Local observer effect on the cosmological soft theorem, PTEP 2020, no.11,
113E01 (2020), arXiv:2008.13364 [astro-ph.CO], T. Suyama, Y. Tada andM. Yamaguchi.
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19. A manifestly covariant theory of multiﬁeld stochastic inﬂation in phase space,
JCAP 04, 048 (2021), arXiv:2008.07497 [astro-ph.CO], L. Pinol, S. Renaux-Peteland Y. Tada .
18. Conformal inﬂation in the metric-afﬁne geometry, EPL 132, no.3, 39001 (2020),
arXiv:2008.00628 [hep-th], Y. Mikura, Y. Tada and S. Yokoyama.
EPL 2020 Highlight

17. Escape from the swampland with a spectator ﬁeld, Phys. Rev. D 101, no.10,
103514 (2020), arXiv:2003.06753 [astro-ph.CO], K. Kogai and Y. Tada .

2019
16. Stochastic inﬂation with an extremely large number of e-folds, Phys. Lett. B
800, 135097 (2020), arXiv:1908.08694 [hep-ph], N. Kitajima, Y. Tada and
F. Takahashi.
15. Primordial black hole tower: Dark matter, earth-mass, and LIGO black holes,
Phys. Rev. D 100, no. 2, 023537 (2019), arXiv:1904.10298 [astro-ph.CO],Y. Tada and S. Yokoyama.

2018
14. Inﬂationary stochastic anomalies, Class. Quant. Grav. 36, no. 7, 07LT01 (2019),
arXiv:1806.10126 [gr-qc], L. Pinol, S. Renaux-Petel and Y. Tada .
CQG 2019–20 Highlight2017
13. O(10) M⊙ primordial black holes and string axion dark matter, Phys. Rev.
D 96, no. 12, 123527 (2017), arXiv:1709.07865 [astro-ph.CO], K. Inomata,
M. Kawasaki, K. Mukaida, Y. Tada and T. T. Yanagida.

12. Does the detection of primordial gravitational waves exclude low energy inﬂation?, Phys. Lett. B 778, 17 (2018), arXiv:1705.01533 [astro-ph.CO], T. Fujita,
R. Namba and Y. Tada .
11. Inﬂationary Primordial Black Holes as All Dark Matter, Phys. Rev. D 96, no.
4, 043504 (2017), arXiv:1701.02544 [astro-ph.CO], K. Inomata, M. Kawasaki,
K. Mukaida, Y. Tada and T. T. Yanagida.

2016
10. Inﬂationary primordial black holes for the LIGO gravitational wave events andpulsar timing array experiments, Phys. Rev. D 95, no. 12, 123510 (2017),
arXiv:1611.06130 [astro-ph.CO], K. Inomata, M. Kawasaki, K. Mukaida, Y. Tada
and T. T. Yanagida.
9. Squeezed Bispectrum in the δN Formalism: Local Observer Effect in Field Space,
JCAP 1702, no. 02, 021 (2017), arXiv:1609.08876 [astro-ph.CO], Y. Tada and
V. Vennin.
8. Primordial black holes as dark matter in supergravity inﬂation models, Phys. Rev.
D 94, no. 8, 083523 (2016), arXiv:1606.07631 [astro-ph.CO], M. Kawasaki,
A. Kusenko, Y. Tada and T. T. Yanagida.
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7. Revisiting constraints on small scale perturbations from big-bang nucleosynthesis, Phys. Rev. D 94, no. 4, 043527 (2016), arXiv:1605.04646 [astro-ph.CO],K. Inomata, M. Kawasaki and Y. Tada .

2015
6. Can massive primordial black holes be produced in mild waterfall hybrid inﬂation?, JCAP 1608, no. 08, 041 (2016), arXiv:1512.03515 [astro-ph.CO],M. Kawasaki and Y. Tada .
5. Consistent generation of magnetic ﬁelds in axion inﬂation models, JCAP 1505,
no. 05, 054 (2015), arXiv:1503.05802 [astro-ph.CO], T. Fujita, R. Namba,
Y. Tada, N. Takeda and H. Tashiro.
4. Primordial black holes as biased tracers, Phys. Rev. D 91, no. 12, 123534 (2015),
arXiv:1502.01124 [astro-ph.CO], Y. Tada and S. Yokoyama.

2014
3. Anisotropic CMB distortions from non-Gaussian isocurvature perturbations,
JCAP 1503, no. 03, 013 (2015), arXiv:1412.4517 [astro-ph.CO], A. Ota,
T. Sekiguchi, Y. Tada and S. Yokoyama.
2. Non-perturbative approach for curvature perturbations in stochastic δN formalism, JCAP 1410, no. 10, 030 (2014), arXiv:1405.2187 [astro-ph.CO], T. Fujita,
M. Kawasaki and Y. Tada .

2013
1. A new algorithm for calculating the curvature perturbations in stochastic
inﬂation, JCAP 1312, 036 (2013), arXiv:1308.4754 [astro-ph.CO], T. Fujita,
M. Kawasaki, Y. Tada and T. Takesako.
Ph.D. thesis Curvature Perturbations and Primordial Black Hole Formation in the Inﬂationary Universe.
Department of Physics, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
Kavli Institute for the Physics and Mathematics of the Universe (WPI), UTIAS, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8583, Japan
Institute for Cosmic Ray Research, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa,
Chiba 277-8582, Japan

Master thesis The stochastic approach to the inﬂationary universe (in Japanese).
Department of Physics, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
Kavli Institute for the Physics and Mathematics of the Universe (WPI), UTIAS, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8583, Japan

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Conferences2022
30th Mar. Primordial black holes and induced gravitational waves in light of the non2022 Gaussian tail, What is dark matter? 2022 - Comprehensive study of the huge
discovery space in dark matter, Kavli IPMU (online), K. T. Abe, A. Escrivà, N. Kitajima, R. Inui, Y. Tada, S. Yokoyama, C. M. Yoo.
oral, invited2021
9th Dec. Probability density functions of coarse-grained curvature and density perturba2021 tions in stochastic inﬂation, JGRG30, Waseda U. (online), Y. Tada and V. Vennin.
oral, refereed

19th Oct. Primordial black holes in peak theory with a non-Gaussian tail, The KEK-PH +2021 KEK-Cosmo joint workshop on “Primordial Black Holes”, KEK (online), N. Kitajima, Y. Tada, S. Yokoyama and C. M. Yoo.
oral, refereed

2nd–6th Aug. Probability density functions of coarse-grained curvature and density pertur2021 bations in stochastic inﬂation, COSMO’21, The University of Illinois (online),
Y. Tada and V. Vennin.
poster, refereed

21st Jul. Primordial black holes in peak theory with a non-Gaussian tail, 2021 NRF2021 JSPS Workshop in particle physics, cosmology, and gravitation, Alpensia Resort,
Pyeongchang, Korea / online, N. Kitajima, Y. Tada, S. Yokoyama, and C-M. Yoo.
oral, invited

2020
25th Nov. Manifestly covariant theory of stochastic inﬂation, Online JGRG Workshop
2020 2020, online, L. Pinol, S. Renaux-Petel, and Y. Tada .
poster, refereed, Outstanding Presentation Award Gold Prize

10th Nov. StocDeltaN: numerical approach to inﬂation in combination of the stochastic
2020 and delta N formalism , PBH & Stochastic inﬂation workshop, online, S. RenauxPetel, Y. Tada, and V. Vennin.
oral, invited

20th Aug. Manifestly covariant theory of stochastic inﬂation, The 14th International Confer2020 ence on Gravitation, Astrophysics and Cosmology (ICGAC14), National Central
University, Taiwan (online), L. Pinol, S. Renaux-Petel, Y. Tada, V. Vennin.
oral, refereed

2019
6th Dec. Primordial black hole tower: Dark matter, earth-mass, and LIGO black holes,
2019 Focus Week on Primordial Black Holes, Kavli IPMU, Y. Tada and S. Yokoyama.
oral, refereed

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27th Nov. Stochastic inﬂation with an extremely large number of e-folds, The 29th Work2019 shop on General Relativity and Gravitation in Japan (JGRG29), Kobe University,
N. Kitajima, Y. Tada, and F. Takahashi.
oral, refereed

19th Nov. Stochastic approach to non-Gaussianity, Theoretical aspects of non-Gaussianity
2019 from modern perspectives, Kyoto University, Y. Tada and V. Vennin.
oral, refereed

16th Oct. Primordial black hole tower: Dark matter, earth-mass, and LIGO black holes,
2019 Gravitational Wave Physics and Astronomy Workshop (GWPAW 2019), The University of Tokyo, Y. Tada and S. Yokoyama.
oral, refereed

4th Sep. Primordial black hole tower: Dark matter, earth-mass, and LIGO black holes,
2019 COSMO19, Aachen University, Y. Tada and S. Yokoyama.
poster, refereed

16th Aug. Primordial black hole tower: Dark matter, earth-mass, and LIGO black holes,
2019 15th Rencontres du Vietnam ”COSMOLOGY”, ICISE, Y. Tada and S. Yokoyama.
oral, invited

13th Jun. Stochastic formalism and curvature perturbation, 3-day workshop: INFLATION
2019 AND GEOMETRY, IAP, T. Fujita, L. Pinol, S. Renaux-Petel, Y. Tada, J. Tokuda, and
V. Vennin.
oral, invited

15th May PBH tower in multi-phase inﬂation, 2-day mini-workshop: Axion Cosmology,
2019 Kyoto University, Y. Tada and S. Yokoyama.
oral, refereed

3rd Apr. PBH tower in multi-phase inﬂation, Future Perspective in Cosmology and Gravity,
2019 Nagoya University, Y. Tada and S. Yokoyama.
oral, refereed

7th Mar. PBH tower in multi-phase inﬂation, Accelerating Universe in the Dark, Kyoto
2019 University, Y. Tada and S. Yokoyama.
oral, refereed

19th Feb. Aspects of primordial black hole as dark matter, FAPESP-JSPS Workshop on
2019 dark energy, dark matter, and galaxies, University of Sao Paulo, K. Inomata, M.
Kawasaki, A. Kusenko, K. Mukaida, Y. Tada, T. T. Yanagida, and S. Yokoyama.
oral, refereed, Young Representative Speaker2018
8th Nov. Stochastic formalism and curvature perturbations, The 28th Workshop on Gen2018 eral Relativity and Gravitation in Japan (JGRG28), Rikkyo University, T. Fujita,
L. Pinol, S. Renaux-Petel, Y. Tada, and J. Tokuda.
oral, refereed

10th Aug. Stochastic inﬂation in a general ﬁeld space, International Conference on Mod2018 iﬁed Gravity 2018 (MOGRA 2018), Nagoya University, T. Fujita, L. Pinol,
S. Renaux-Petel, Y. Tada, and J. Tokuda.
oral, refereed
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5th Jul. Stochastic inﬂation in a general ﬁeld space, Fifteenth Marcel Grosmann Meeting,2018 University of Rome “La Sapienza”, T. Fujita, L. Pinol, S. Renaux-Petel, Y. Tada, andJ. Tokuda.
oral, refereed

20th–21st Subtleties in stochastic formalism - Ito vs. Stratonovich, Infrared physics ofJan. 2018 gauge theories and quantum dynamics of inﬂation, Biwako Club, Shiga, L. Pinol,
S. Renaux-Petel, and Y. Tada .
oral, refereed

2017
28th Aug.– Stochastic Formalism in Curved Field Space, The 21st annual International Con1st Sep. ference on Particle Physics and Cosmology (COSMO-17), The Universite Paris
2017 Diderot site, Amphitheatre Buffon, L. Pinol, S. Renaux-Petel, and Y. Tada .
oral, refereed

27th May– Primordial Black Hole, Dark Matter, and Gravitational Wave, Gordon Research
2nd Jun. Conference & Seminars “String Theory & Cosmology”, Renaissance Tuscany Il2017 Ciocco, Lucca (Barga), Italy, K. Inomata, M. Kawasaki, A. Kusenko, K. Mukaida,
Y. Tada, and T. T. Yanagida.
poster, refereed

2016
24th–28th Squeezed Bispectrum in the delta N Formalism without Gauge Artifact, The 26th
Oct. 2016 Workshop on General Relativity and Gravitation in Japan (JGRG26), Osaka City
University, Y. Tada and V. Vennin.
oral, refereed

24th–28th PBH Dark Matter in Supergravity Inﬂation Models, RESCEU Summer School,
Aug. 2016 Gifu, M. Kawasaki, A. Kusenko, Y. Tada, and T. T. Yanagida.
oral, not refereed

2015
14th–18th Can massive primordial black holes be produced in mild waterfall hybrid inDec. 2015 ﬂation?, Second LeCosPA International Symposium “Everything About Gravity”,
National Taiwan University, M. Kawasaki and Y. Tada .
oral, refereed

7th–11th Sep. PRIMORDIAL BLACK HOLES AS BIASED TRACERS, International Conference on2015 Particle Physics and Cosmology (COSMO-15), The University of Warsaw, Y. Tadaand S. Yokoyama.
oral, refereed

2014
25th–29th Non-perturbative approach for curvature perturbations in stochastic-delta N
Aug. 2014 formalism, International Conference on Particle Physics and Cosmology (COSMO
2014), The Kavli Institute for Cosmological Physics (KICP), The University of
Chicago, T. Fujita, M. Kawasaki, and Y. Tada .
poster, refereed
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2013
30th Sep.– A new algorithm for calculating the curvature perturbations in stochastic in3rd Oct. ﬂation, KEK Theory Meeting on Particle Physics Phenomenology (KEK-PH2013
2013 FALL), KEK, T. Fujita, M. Kawasaki, Y. Tada, and T. Takesako.
oral, refereed

Seminars
2022
22nd Mar. Frontier of primordial black hole research — star ﬁrst or black hole ﬁrst? —,2022 YLC seminar, Nagoya U., Y. Tada .

2021
25th May Self-introduction, or a biased view of what theoretical cosmologists are recently
2021 interested in, Nagoya University (Online), Aichi, Y. Tada.
invited2020
11th Nov. Manifestly covariant theory of stochastic inﬂation, The University of Padua (On2020 line), Padua, L. Pinol, S. Renaux-Petel, Y. Tada, and V. Vennin.
22nd Oct. A manifestly covariant theory of multiﬁeld stochastic inﬂation in phase space,2020 JGRG Webinar Series, Online, L. Pinol, S. Renaux-Petel, and Y. Tada.
invited20th Oct. Manifestly covariant theory of stochastic inﬂation, KEK (Online), Ibaraki, L.
2020 Pinol, S. Renaux-Petel, Y. Tada, and V. Vennin.
7th Oct. Manifestly covariant theory of stochastic inﬂation, IBS (Online), Daejeon, L.
2020 Pinol, S. Renaux-Petel, Y. Tada, and V. Vennin.
invited2019
7th Jun. Aspects of primordial black holes and implication to multi-phase inﬂation, IRAP,2019 Toulouse, K. Inomata, M. Kawasaki, A. Kusenko, K. Mukaida, Y. Tada, T. T.
Yanagida, and S. Yokoyama.
23rd May Aspects of primordial black holes and implication to multi-phase inﬂation, To2019 hoku University, Miyagi, K. Inomata, M. Kawasaki, A. Kusenko, K. Mukaida, Y.
Tada, T. T. Yanagida, and S. Yokoyama.
invited2018
26th Jun. Stochastic inﬂation in a general ﬁeld space, Laboratoire Astroparticule et Cos2018 mologie, Paris, T. Fujita, L. Pinol, S. Renaux-Petel, Y. Tada, and J. Tokuda.

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2017
20th Sep. Stochastic Formalism in Curved Field Space, Nagoya University, Aichi, L. Pinol,2017 S. Renaux-Petel, and Y. Tada.
19th Sep. Stochastic Formalism in Curved Field Space, Kobe University, Hyogo, L. Pinol, S.
2017 Renaux-Petel, and Y. Tada.
4th Sep. Stochastic Formalism in Curved Field Space, RESCEU, Tokyo, L. Pinol, S. Renaux2017 Petel, and Y. Tada.
20th Apr. Primordial Black Hole, Dark Matter, and LIGO’s Gravitational Wave Event, In2017 stitut Astrophysique de Paris, Paris, K. Inomata, M. Kawasaki, A. Kusenko, K.
Mukaida, Y. Tada, and T. T. Yanagida.

2016
16th Dec. Primordial Black Hole, Dark Matter, and LIGO’s Gravitational Wave Event,2016 Waseda University, Tokyo, K. Inomata, M. Kawasaki, A. Kusenko, K. Mukaida,
Y. Tada, and T. T. Yanagida.
invited22nd Jun. Stochastic-delta N formalism and massive primordial black hole formation in hy2016 brid inﬂation, Institute of Cosmology and Gravitation, Portsmouth, M. Kawasaki
and Y. Tada.
18th Apr. Stochastic-delta N formalism and massive primordial black holes in hybrid inﬂa2016 tion, The University of Toyko, Tokyo, M. Kawasaki and Y. Tada.
invited29th Mar. Stochastic-delta N formalism and massive primordial black holes in hybrid inﬂa2016 tion, Kyoto University, Kyoto, M. Kawasaki and Y. Tada.
29th Feb. Can massive primordial black holes be produced in mild waterfall hybrid inﬂa2016 tion?, RESCEU, Tokyo, M. Kawasaki and Y. Tada.
invited27th Jun. Stochastic-delta N formalism and massive primordial black holes in hybrid inﬂa2016 tion, KEK, Ibaraki, M. Kawasaki and Y. Tada.

2015
14th–18th Stochastic-deltaN formalism and primordial black holes in hybrid inﬂation, The
Sep. 2015 University of Padua, Padua, M. Kawasaki and Y. Tada.
21th Sep. Stochastic-deltaN formalism and primordial black holes in hybrid inﬂation, In2015 stitut Astrophysique de Paris, Paris, M. Kawasaki and Y. Tada.
16th Feb. Primordial black holes as biased tracers, Joint seminar of gravity and cosmology
2015 @ IPMU, Chiba, Y. Tada and S. Yokoyama.

2014
19th Aug. Stochastic-δN formalism, Helsinki University, Helsinki, T. Fujita, M. Kawasaki, Y.
2014 Tada, and T. Takesako.

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Activities
1st Oct.– Study abroad, Helsinki University, Prof. Enqvist group.
22 Dec. coursework of ALPS fellowship
2014
Peer review.
European Physical Journal C (EPJC), Journal of Cosmology and Astroparticle Physics(JCAP), Monthly Notices of the Royal Astronomical Society (MNRAS), Modern Physics
Letters A (MPLA), Physical Review D (PRD), Physical Review Letters (PRL), Progress ofTheoretical and Experimental Physics (PTEP), Universe

Science member, International Research Network Extragalactic astrophysics andCosmology (NECO), The Physical Society of Japan.

Awards and Honors
2021 2019–20 Highlights of Classical and Quantum Gravity, Inﬂationary stochastic
anomalies, L. Pinol, S. Renaux-Petel and Y. Tada, Class. Quant. Grav. 36, no. 7,
07LT01 (2019) [arXiv:1806.10126 [gr-qc]].
2021 2020 Highlights of EPL, Conformal inﬂation in the metric-afﬁne geometry,
Y. Mikura, Y. Tada and S. Yokoyama.
EPL 132, no.3, 39001 (2020) [arXiv:2008.00628 [hep-th]]

27th Nov. Outstanding Presentation Award Gold Prize, Online JGRG Workshop 2020,
2020 Manifestly covariant theory of stochastic inﬂation, L. Pinol, S. Renaux-Petel, Y.
Tada.
Feb. 2019 Young representative speaker, FAPESP-JSPS Workshop on dark energy, dark matter, and galaxies, Aspects of primordial black hole as dark matter, K. Inomata, M.
Kawasaki, A. Kusenko, K. Mukaida, Y. Tada, T. T. Yanagida, and S. Yokoyama.
24th Mar. Director’s Award, ICRR Master and Doctor Thesis Workshop, Institute for Cosmic
2017 Ray Research, The University of Tokyo.

Funding
1st Apr. JSPS Grant-in-Aid for Early-Career Scientists, Inﬂationary universe in light of
2021–31st stochastic calculus, primordial black holes, and gravitational waves.
Mar. 2024 No. 21K13918, Principal Investigator, ¥4,680,000
1st Apr. JSPS Grant-in-Aid for Early-Career Scientists, Aspects of gravity and quantum
2019–31st theory in the stochastic formalism.
Mar. 2021 No. 19K14707, Principal Investigator, ¥1,560,000
25th Apr. Grant-in-Aid for JSPS Fellows, Curvature Perturbations and Primordial Black Hole2018–31st Formation in the Inﬂationary Universe.
Mar. 2021 No. 18J01992, JSPS Fellow (PD), ¥3,640,000

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