Waseda Institute for Advanced Study (WIAS)Waseda University

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KIMURA, Rampei

Name

KIMURA, Rampei

Degree

Ph.D. in Science

Status

Assistant Professor

HP(URL)

Monthly Spotlight

[Monthly Spotlight] is focusing on a researcher to introduce his/her research.
Exploring a New Gravitational Theory ~ Exploring the Origin of the Accelerating Expansion of the Universe ~ Rampei Kimura, Assistant Professor

Research Topic

Comprehensive studies of cosmology based on gravitational theories

The fact that the universe is undergoing a phase of an accelerated expansion raises the most challenging problem in the golden era of the precision cosmology, and a number of attempts to explain the origin of the present cosmic acceleration have been proposed over the past decade. My research lies at comprehensive studies of gravitational theories and its application to theoretical and observational cosmology.

Education and Academic Employment

2012 Ph.D. in Science (Hiroshima University)
2013 Research Fellowship for Young Scientists of Japan Society for the Promotion of Science  (Hiroshima UniversityUniversity of Tokyo)
2013-2014 Research Fellowship for Young Scientists of Japan Society for the Promotion of Science (Research Center for the Early Universe, University of Tokyo)
2014-2016 Postdoctoral Fellowships for Research abroad of Japan Society for the Promotion of Science(Center for Cosmology and Particle Physics, New York University)
2016-2018 Postdoctoral Researcher, Tokyo Institute of Technology
2018-present lecturer, Waseda Institute for Advanced Study, Waseda University

Fields of Research Interests

Cosmology, Gravitational theories, Dark energy, Dark matter

Academic Publications
  1. Rampei Kimura, Yuki Sakakihara, Masahide Yamaguchi, “Ghost free boson-fermion co-existence system”, Physical Review D, 96, 044015, (2017)
  2. Rampei Kimura, Atsushi Naruko, Daisuke Yoshida, “Extended vector-tensor theories”, Journal of Cosmology and Astroparticle Physics, 01, 002, (2017)
  3. Rampei Kimura, Takahiro Tanaka, Kazuhiro Yamamoto, Yasuho Yamashita, “Constraint on ghost-free bigravity from gravitational Cherenkov radiation”, Physical Review D, 94, 064059, (2016)
  4. Gregory Gabadadze, Rampei Kimura, David Pirtskhalava, “Vainshtein Solutions Without Superluminal Modes”, Physical Review D, 91, 124024, (2015)
  5. Lavinia Heisenberg, Rampei Kimura, Kazuhiro Yamamoto, “Cosmology of the proxy theory to massive gravity”, Physical Review D, 89, 103008, (2014)
  6. Gregory Gabadadze, Rampei Kimura, David Pirtskhalava, “Selfacceleration with Quasidilaton”, Physical Review D, 90, 024029, (2014)
  7. Rampei Kimura, Daisuke Yamauchi, “Derivative interactions in de Rham-Gabadadze-Tolley massive gravity”, Physical Review D, 88, 084025, (2013)
  8. Rampei Kimura, Kazuhiro Yamamoto, “Constraints on general second-order scalar-tensor models from gravitational Cherenkov radiation”, Journal of Cosmology and Astroparticle Physics, 07, 050, (2012)
  9. Rampei Kimura, Tsutomu Kobayashi, Kazuhiro Yamamoto, “Vainshtein screening in a cosmological background in the most general second-order scalar-tensor theory”, Physical Review D, 85, 024023, (2012)
  10. Rampei Kimura, Tsutomu Kobayashi, Kazuhiro Yamamoto, “Observational Constraints on Kinetic Gravity Braiding from the Integrated Sachs-Wolfe Effect”, Physical Review D, 85, 123503, (2012)
  11. Tatsuya Narikawa, Rampei Kimura, Tatsunosuke Yano, Kazuhiro Yamamoto, “Halo models in modified gravity theories with self-accelerated expansion”, International Journal of Modern Physics D, 20, 2383-2397, (2011)
  12. Rampei Kimura, Gen Nakamura, Kazuhiro Yamamoto, “Quantum Larmor radiation in a conformally flat universe”, Physical Review D, 83, 45015, (2011)
  13. Rampei Kimura, Kazuhiro Yamamoto, “Large Scale Structures in Kinetic Gravity Braiding Model That Can Be Unbraided”, Journal of Cosmology and Astroparticle Physics, 04, 025, 2011
Other Interests

Music, Cooking

Affiliated Academic Organizations

The Physical Society of Japan

Awards

“Outstanding Presentation Award Gold Prize”, RESCEU symposium on general relativity and gravitation JGRG 22, University of Tokyo, November 2012

Related articles

LIM, Hyunjung
AIZAWA, Toshiaki
XU, Alison
MUTO, Kei
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