Research Activity


参加した研究会、口頭・ポスター発表など

M1
2012/02/21-23　研究会 第五回 超弦理論と宇宙(@大分)
2012/03/01-04　Asia Pacific School/Workshop on Cosmology and Gravitation(@YITP)
M2
2012/07/26-27　YITP International Molecule-type Workshop Nonlinear massive gravity theory and its observational test(@YITP)
2012/08/01-04　第42回天文・天体物理夏の学校(@福井)　口頭発表 "Bimetric Gravityにおけるinflation"
2012/08/21___　meeting　"inflation in bimetric gravity"
2012/09/11-14　日本物理学会 秋季大会(@京都産業大)　口頭発表 "Bimetric gravityにおけるinflation"
2012/09/24-26　中間発表会(夏)　"スカラー場入りのbimetric gravityの話"
2012/10/12___　コロキウム
2012/11/12-16　RESCEU Symposium on General Relativity and Gravitaion[JGRG22](@東大)　Oral "inflation in bimetric gravity"
2013/02/04___　修論発表会
2013/02/12-14　GCOEシンポジウム(@京大)　ポスター発表 "Inflation in bimetric gravity"
2013/02/25-27　中間発表会(春)　"Bigravityにおけるinflation"
2013/03/01___　paper 1 published
2013/03/26-29　日本物理学会 第68回年次大会(@広島大)　口頭発表 "Bimetric gravityにおけるCosmic no-hairとHiguchi boundについて"(2013/03/29)
D1
2013/07/07-13　The 20th International Conference on General Relativity and Gravitation[GR20](@Warsaw, Poland) Oral "The stability of de Sitter solutions in bimetric gravity"(2013/07/09)
2013/08/26-28　中間発表会(夏)　"Bimetric gravityの話(BF boundに関連して)"
2013/12/25-27　第26回理論懇シンポジウム(@東大柏)　ポスター発表 "Bimetric gravityにおけるインフレーション"
2014/01/10___　コロキウム
2014/02/12-15　中間発表会(春)　"bimetric gravityにおけるtensor spectrum"
2014/03/27-30　日本物理学会 第69回年次大会(@東海大湘南)　口頭発表 "Bimetric gravityにおける初期重力波について"(2014/03/27)
D2
2014/07/04___　コロキウム
2014/08/20-22　中間発表会(夏)　"Bimetric gravityにおけるinflation"
2014/09/08-17　Relativistic Cosmology(@YITP)　Oral "Primordial gravitational wave in bimetric gravity"
2014/11/07___　in/around nonlinear massive gravity(@名古屋大)　Oral "Tensor Spectrum in Bimetric Gravity"
2014/11/10-14　The 24th Workshop on General Relativity and Gravitation[JGRG24](@IPMU)　Oral "Tensor Spectrum in Bimetric Gravity"
2014/12/24-26　第27回理論懇シンポジウム(@三鷹)　ポスター発表 "Bigravityにおけるインフレーション中の重力波について"
2015/01/08-10　新学術領域「重力波天体」A04-05班合同合宿(@新潟)　口頭発表 "Bigravityにおける初期重力波"
2015/02/19-21　B-mode Cosmology -Intermediate Scale Inflation and Hidden Sector-(@KEK)
2015/03/04-06　中間発表会(春)　"bimetric gravityでのreheating期について"
2015/03/21-24　日本物理学会 第70回年次大会(@早稲田大)　口頭発表 "Bimetric Gravityにおけるインフレーション中のテンソル摂動"(2015/03/22)
2015/03/21-24　International School of Gravitational Wave Physics(@YITP)　Poster "Primordial Gravitational Wave in Bigravity"
D3
2015/04/30___　宇宙論セミナー(@東工大)　"Inflation in Bimetric Gravity"
2015/06/03-15　アメリカ出張(6/3-6/9 @Case Western Reserve University, Cleveland, 6/9-6/14 @New York University, New York)
2015/07/03___　コロキウム
2015/07/12-18　The 14th Marcel Grossmann Meeting(@Roma) Oral "Inflationary background and primordial gravitational waves in bimetric gravity"(2015/07/17)
2015/09/02___　paper 2 published
2015/12/07-11　The 25th Workshop on General Relativity and Gravitation[JGRG25](@YITP)　Oral "Scalar perturbations in Bimetric Gravity"(2015/12/10)
2015/12/23-25　第28回理論懇シンポジウム(@阪大) 口頭発表 "Bimetric gravityにおいてインフレーション中に生成される曲率ゆらぎ"(2015/12/23)
PD
2016/08/24-28　APCosPa-Planet2 RESCEU Summer School(@高山、岐阜) 口頭発表 "Primordial fluctuations in bimetric gravity"(2016/08/27)
2016/09/19___　paper 3 published
2016/10/24-28　The 26th Workshop on General Relativity and Gravitation[JGRG26](@Osaka City Univ.)　Oral(10min+5min) "Production of gravitons and cosmology in bimetric gravity"(2016/10/26)
2016/12/26-28　Symposium on "New development in astrophysics through multimessenger observations of gravitational wave sources"(@YITP, Kyoto) Poster(w/ 1min talk) "Cosmic evolution with bigravity"(2016/12/27)
2017/01/25-28　Testing Gravity 2017(@SFU, Vancouver, Canada) Short Talk(4min)+Poster "Cosmology with bigravity theory"(2017/01/26)
2017/07/19___　神戸大学宇宙論研究室　セミナー発表 ""
2017/08/11___　paper 4 published
2017/09/12-15　日本物理学会 2017年秋季大会(@宇都宮大)　口頭発表 "ボソン-フェルミオン微分相互作用の構成法について"(2017/09/13)
2017/11/27-12/01　Stefano Ansoldi, Eduardo I. Guendelman, Hideki Ishihara, Yuki Sakakihara, "Dynamics in f(R) gravity with bounded curvature'', 「The 27th Workshop on General Relativity and Gravitation in Japan」, Higashi Hiroshima Arts and Culture Hall (organized by Hiroshima University) (2017/11/29).
2018/01/29-03/09　Rampei Kimura, Yuki Sakakihara, Masahide Yamaguchi,「On fermionic ghosts and the removal from scalar-fermion systems」, 『Gravity and Cosmology 2018』, Yukawa Institute for Theoretical Physics (2018/02/09).
2018/06/18-21　Rampei Kimura, Yuki Sakakihara, Masahide Yamaguchi,「Degenerate scalar-fermion theories」, 『Essential next steps for gravity and cosmology』, Tohoku University (Oral, 2018/06/19).
2018/08/28___　paper 5 published
2019/01/28-31　Rampei Kimura, Yuki Sakakihara, Masahide Yamaguchi,「Derivative couplings including fermions」, 『The 2nd Korea-Japan bilateral workshop on String Axion Cosmology』, Unzen, Nagasaki (Oral, 2019/01/29).
2019/02/02-10　Ghost Freeness of Boson-Fermion Systems, 『Cosmology Group Meeting』, McGill University, Montreal, Canada (Seminar, 2019/02/06).
2018/02/18-20　Stefano Ansoldi, Eduardo I. Guendelman, Hideki Ishihara, Yuki Sakakihara,「Cosmological solutions in bounded curvature models」, 『FAPESP-JSPS Workshop on Dark Energy, Dark Matter and Galaxies』, University of Sao Paulo, Sao Paulo, Brazil (Oral, 2019/02/20).
2019/04/17___　Ghost Freeness of Boson-Fermion Systems, 『Group meeting of Xian Gao's group』, Sun Yat-sen University.
2019/09/02-04　Accelerating Universe with a stable extra dimension
 in cuscuton gravity,『Chuukan Happyou-kai Workshop』, Kyoto University (oral 2019/09/02).
2019/09/23___　paper 6 published

海外滞在記録
2013/07/07-13　Warsaw, Poland for The 20th International Conference on General Relativity and Gravitation[GR20].
2015/06/03-15　06/03-06/09 Case Western Reserve University, Cleveland, US to see Claudia;06/09-06/14 New York University, New York, US to see Gregory.
2015/07/12-18　Rome, Italy for The 14th Marcel Grossmann Meeting[MG14].
2017/01/25-28　SFU, Vancouver, Canada for Testing Gravity 2017.
2019/02/02-10　McGill University, Montreal, Canada to see Robert.
2019/02/17-21　University of Sao Paulo, Brazil for FAPESP-JSPS Workshop on Dark Energy, Dark Matter and Galaxies.
2019/04/12-22　Sun Yat-sen University, Guangzhou, China, to see Xian.