Profile
Research area
素粒子論Main lectures
医用物理学
自然科学演習
物理学実験Graduating school
京都大学理学部(2000年)Final Education
京都大学大学院理学系研究科(2005年)Previous workplace
大阪大学(2007年10月~2008年3月)
名古屋大学(2008年4月~2011年3月)
京都産業大学(2011年4月~2012年3月)Study abroad experience
SISSA(イタリア)(2005年10月~2007年10月)Main academic activities
日本物理学会Main research topic
超対称大統一理論
余剰次元模型
Paper
- Grand gauge-Higgs unification on T2/Z3 via the diagonal embedding method
Kentaro Kojima; Kazunori Takenaga; Toshifumi Yamashita
Physical Review D, Aug. 2023, Reviewed
108(3), 10.1103/physrevd.108.035031 - On representation matrices of boundary conditions in SU(n) gauge theories compactified on two-dimensional orbifolds
Yoshiharu Kawamura; Eiji Kodaira; Kentaro Kojima; Toshifumi Yamashita
Journal of High Energy Physics, Apr. 2023, Reviewed
2023(4), 10.1007/jhep04(2023)113 - Dirac gaugino from grand gauge-Higgs unification
Hiroaki Nakano; Masamichi Sato; Osamu Seto; Toshifumi Yamashita
Progress of Theoretical and Experimental Physics, Feb. 2022, Reviewed
2022(3), 10.1093/ptep/ptac031 - Charged lepton mass relations in a SUSY scenario
Yoshio Koide; Toshifumi Yamashita
Physics Letters B, Dec. 2018, Reviewed
787, 171, 174, 10.1016/j.physletb.2018.10.058 - The standard model gauge symmetry from higher-rank unified groups in grand gauge-Higgs unification models
Kentaro Kojima; Kazunori Takenaga; Toshifumi Yamashita
JOURNAL OF HIGH ENERGY PHYSICS, Jun. 2017, Reviewed, No invitation
(6), 10.1007/JHEP06(2017)018 - Gauge symmetry breaking patterns in an SU(5) grand gauge-Higgs unification model
Kentaro Kojima; Kazunori Takenaga; Toshifumi Yamashita
Physical Review D, Jan. 2017, Reviewed
95(1), 10.1103/physrevd.95.015021 - $\mu$ term and supersymmetry breaking from 6D theory
Y. Adachi; N. Haba; T. Yamashita
Progress of Theoretical and Experimental Physics, Jun. 2014, Reviewed
2014(6), 63B05, 10.1093/ptep/ptu074 - Higgs sector as a probe of supersymmetric grand unification with the Hosotani mechanism
Mitsuru Kakizaki; Shinya Kanemura; Hiroyuki Taniguchi; Toshifumi Yamashita
PHYSICAL REVIEW D, Apr. 2014, Reviewed, No invitation
89(7), 10.1103/PhysRevD.89.075013 - Family gauge bosons with an inverted mass hierarchy
Yoshio Koide; Toshifumi Yamashita
PHYSICS LETTERS B, May 2012, Reviewed, No invitation
711(5), 384, 389, 10.1016/j.Physletb.2012.04.028 - Doublet-triplet splitting in an SU(5) grand unification
Toshifumi Yamashita
PHYSICAL REVIEW D, Dec. 2011, Reviewed, No invitation
84(11), 10.1103/PhysRevD.84.115016 - Heterotic E-6 GUTs and partition functions
Motoharu Ito; Shogo Kuwakino; Nobuhiro Maekawa; Sanefumi Moriyama; Keijiro Takahashi; Kazuaki Takei; Shunsuke Teraguchi; Toshifumi Yamashita
JOURNAL OF HIGH ENERGY PHYSICS, Dec. 2011, Reviewed, No invitation
(12), 10.1007/JHEP12(2011)100 - Grand gauge-Higgs unification
Kentaro Kojima; Kazunori Takenaga; Toshifumi Yamashita
PHYSICAL REVIEW D, Sep. 2011, Reviewed, No invitation
84(5), 10.1103/PhysRevD.84.051701 - E-6 grand unified theory with three generations from heterotic string theory
Motoharu Ito; Shogo Kuwakino; Nobuhiro Maekawa; Sanefumi Moriyama; Keijiro Takahashi; Kazuaki Takei; Shunsuke Teraguchi; Toshifumi Yamashita
PHYSICAL REVIEW D, May 2011, Reviewed, No invitation
83(9), 10.1103/PhysRevD.83.091703 - Minimal supersymmetric SU(5) model with nonrenormalizable operators - Seesaw mechanism and violation of flavour and CP
Francesca Borzumati; Toshifumi Yamashita
Progress of Theoretical Physics, Nov. 2010, Reviewed, No invitation
124(5), 761, 868, 10.1143/PTP.124.761 - Tree-level unitarity in gauge-Higgs unification
Naoyuki Haba; Yutaka Sakamura; Toshifumi Yamashita
JOURNAL OF HIGH ENERGY PHYSICS, Mar. 2010, Reviewed, No invitation
(3), 10.1007/JHEP03(2010)069 - Gauge-Higgs dark matter
Naoyuki Haba; Shigeki Matsumoto; Nobuchika Okada; Toshifumi Yamashita
JOURNAL OF HIGH ENERGY PHYSICS, Mar. 2010, Reviewed, No invitation
(3), 10.1007/JHEP03(2010)064 - Weak boson scattering in gauge-Higgs unification
Naoyuki Haba; Yutaka Sakamura; Toshifumi Yamashita
JOURNAL OF HIGH ENERGY PHYSICS, Jul. 2009, Reviewed, No invitation
(7), 10.1088/1126-6708/2009/07/020 - Effective potential of Higgs field in warped Gauge-Higgs unification
Naoyuki Haba; Shigeki Matsumoto; Nobuchika Okada; Toshifumi Yamashita
Progress of Theoretical Physics, Jul. 2008, Reviewed, No invitation
120(1), 77, 98, 10.1143/PTP.120.77 - iGUT (GUT on interval)
Naoyuki Haba; Yutaka Sakamura; Toshifumi Yamashita
Journal of High Energy Physics, Jun. 2008, Reviewed
2008(06), 044, 044, 10.1088/1126-6708/2008/06/044 - Multi-Higgs mass spectrum in gauge-Higgs unification
Kentaro Kojima; Kazunori Takenaga; Toshifumi Yamashita
PHYSICAL REVIEW D, Apr. 2008, Reviewed, No invitation
77(7), 10.1103/PhysRevD.77.075004 - Two loop finiteness of Higgs mass and potential in the Gauge-Higgs unification
Yutaka Hosotani; Nobuhito Maru; Kazunori Takenaga; Toshifumi Yamashita
Progress of Theoretical Physics, Dec. 2007, Reviewed, No invitation
118(6), 1053, 1068, 10.1143/PTP.118.1053 - A novel washout effect in the flavored leptogenesis
Tetsuo Shindou; Toshifumi Yamashita
JHEP0709:043,2007, Mar. 2007, Reviewed, No invitation
10.1088/1126-6708/2007/09/043 - Two-loop calculation of Higgs mass in gauge-Higgs unification: 5D massless QED compactified on S(1)
Nobuhito Maru; Toshifumi Yamashita
NUCLEAR PHYSICS B, Oct. 2006, Reviewed, No invitation
754(1-2), 127, 145, 10.1016/j.nuclphysb.2006.07.023 - Low scale gravity mediation with warped extra dimension and collider phenomenology on the hidden sector
Hideo Itoh; Nobuchika Okada; Toshifumi Yamashita
PHYSICAL REVIEW D, Sep. 2006, Reviewed, No invitation
74(5), 10.1103/PhysRevD.74.055005 - Effective theoretical approach of Gauge-Higgs unification model and its phenomenological applications
Naoyuki Haba; Shigeki Matsumoto; Nobuchika Okada; Toshifumi Yamashita
JHEP 0602 (2006) 073, Nov. 2005, Reviewed, No invitation
10.1088/1126-6708/2006/02/073 - Higgs mass in the gauge-Higgs unification
N Haba; K Takenaga; T Yamashita
PHYSICS LETTERS B, Jun. 2005, Reviewed, No invitation
615(3-4), 247, 256, 10.1016/j.physletb.2005.04.027 - Correct effective potential of supersymmetric Yang-Mills theory on M-4 x S1
N Haba; K Takenaga; T Yamashita
PHYSICAL REVIEW D, Jan. 2005, Reviewed, No invitation
71(2), 10.1103/PhysRevD.71.025006 - Partial gauge symmetry breaking via bare mass
N Haba; K Takenaga; T Yamashita
PHYSICS LETTERS B, Jan. 2005, Reviewed, No invitation
605(3-4), 355, 361, 10.1016/j.physletb.2004.11.039 - Correct effective potential of supersymmetric Yang-Mills theory on M4 x S1
Naoyuki Haba; Kazunori Takenaga; Toshifumi Yamashita
Physical Review D - Particles, Fields, Gravitation and Cosmology, 2005, Reviewed, No invitation
71(2), 1, 25006, 10.1103/PhysRevD.71.025006 - Vacuum structure in 5D SO(10) GUT on S-1/Z(2)
N Haba; T Yamashita
PHYSICS LETTERS B, Sep. 2004, Reviewed, No invitation
597(2), 166, 172, 10.1016/j.physletb.2004.07.015 - Dynamical symmetry breaking in gauge-Higgs unification on an orbifold
N Haba; Y Hosotani; Y Kawamura; T Yamashita
PHYSICAL REVIEW D, Jul. 2004, Reviewed, No invitation
70(1), 10.1103/PhysRevD.70.015010 - Dynamical symmetry breaking in Gauge-Higgs unification of 5D = 1 SUSY theory
Naoyuki Haba; Toshifumi Yamashita
Journal of High Energy Physics, Apr. 2004, Reviewed
2004(04), 016, 016, 10.1088/1126-6708/2004/04/016 - Horizontal symmetry in Higgs sector of GUT with U(1)_A symmetry
Nobuhiro Maekawa; Toshifumi Yamashita
JHEP 0407 (2004) 009, Apr. 2004, Reviewed, No invitation
10.1088/1126-6708/2004/07/009 - A general formula of the effective potential in 5D SU(N) gauge theory on orbifold
Naoyuki Haba; Toshifumi Yamashita
JHEP 0402:059,2004, Jan. 2004, Reviewed, No invitation
110(4), D73, D74, 10.1088/1126-6708/2004/02/059 - Sliding singlet mechanism reexamined
N Maekawa; T Yamashita
PHYSICAL REVIEW D, Sep. 2003, Reviewed, No invitation
68(5), 10.1103/PhysRevD.68.055001 - Flipped SO(10) model
N Maekawa; T Yamashita
PHYSICS LETTERS B, Aug. 2003, Reviewed, No invitation
567(3-4), 330, 338, 10.1016/j.physletb.2003.06.054 - Gauge coupling unification in grand unified theories with anomalous U(1) symmetry
N Maekawa; T Yamashita
PHYSICAL REVIEW LETTERS, Mar. 2003, Reviewed, No invitation
90(12), 10.1103/PhysRevLett.90.121801 - Simple E6 Unification with Anomalous U(1)A Symmetry
Nobuhiro Maekawa; Toshifumi Yamashita
Progress of Theoretical Physics, 2003, Reviewed, No invitation
110(1), 93, 105, 10.1143/PTP.110.93 - Two-loop analysis of gauge coupling unification with anomalous U(1) symmetry and proton decay
Nobuhiro Maekawa; Toshifumi Yamashita
Progress of Theoretical Physics, Oct. 2002, Reviewed, No invitation
108(4), 719, 735, 10.1143/PTP.108.719 - E6 unification, doublet-triplet splitting and anomalous U(1)A symmetry
Nobuhiro Maekawa; Toshifumi Yamashita
Progress of Theoretical Physics, Jun. 2002, Reviewed, No invitation
107(6), 1201, 1233, 10.1143/PTP.107.1201
MISC
- Family Gauge Bosons with an Inverted Mass Hierarchy
Yoshio Koide; Toshifumi Yamashita
GUT2012, 2012, Not reviewed, No invitation
1467, 15, 20, 10.1063/1.4742074 - 21pYB-3 Towards complete one-loop Higgs mass spectra in Gauge-Higgs unified models
Kojima Kentaro; Takenaga Kazunori; Yamashita Toshifumi
Meeting abstracts of the Physical Society of Japan, 21 Aug. 2007
62(2), 5, 5 - 高次元ゲージ理論におけるヒッグス粒子
竹永和典; 波場直之; 山下敏史
素粒子論研究, 20 Jun. 2005, Not reviewed, No invitation
111(3), C26, 10.24532/soken.111.3_C26 - Vacuum structure and dynamical symmetry breaking in gauge-Higgs unification models
Naoyuki Haba; Toshifumi Yamashita
24 Jan. 2004, Not reviewed, No invitation - Non-CKM induced flavor violation in "minimal" SUSY SU(5) models
Francesca Borzumati; Satoshi Mishima; Toshifumi Yamashita
Proceedings of Flavor in the Era of the LHC: 4th Workshop on the Interplay of Flavor and Collider Physics, Geneva, Switzerland, Oct. 2006 and 4th International Workshop on the CKM Unitarity Triangle (CKM2006), Nagoya, Japan, Dec. 2006, Not reviewed, No invitation - Neutrino masses and SUSY SU(5) GUT flavor predictions
Francesca Borzumati; Satoshi Mishima; Toshifumi Yamashita
Int. J. Mod. Phys. E 16, pp.1479-1487 (2007), Not reviewed, No invitation
10.1142/S0218301307006824
Research Themes
- 作成プロセスから見たレポートライティング教育の評価手法に関する研究
基盤研究(C)
愛知医科大学
01 Apr. 2024 - 31 Mar. 2027
仙石 昌也; 宮本 淳; 久留 友紀子; 橋本 貴宏; 山下 敏史; 平田 亜紀, 仙石 昌也; 宮本 淳; 久留 友紀子; 橋本 貴宏; 山下 敏史; 平田 亜紀, 日本学術振興会, 日本学術振興会 - Psychological measurement of collaborative learning
Grant-in-Aid for Scientific Research (C)
Aichi Medical University
01 Apr. 2020 - 31 Mar. 2023
宮本 淳; 仙石 昌也; 久留 友紀子; 橋本 貴宏; 山森 孝彦; 山下 敏史, 宮本 淳; 仙石 昌也; 久留 友紀子; 橋本 貴宏; 山森 孝彦; 山下 敏史, 日本学術振興会, Japan Society for the Promotion of Science - Grand Unified Theory indicated by Higgs Mass and Study of Proton Decay
Grant-in-Aid for Scientific Research (C)
Niigata University
01 Apr. 2019 - 31 Mar. 2023
中野 博章; 瀬戸 治; 山下 敏史, 中野 博章; 瀬戸 治; 山下 敏史, 日本学術振興会, Japan Society for the Promotion of Science - クラウドを利用した協働作業プロセスの定量的指標の開発と評価への応用
基盤研究(C)
愛知医科大学
01 Apr. 2019 - 31 Mar. 2023
仙石 昌也; 宮本 淳; 久留 友紀子; 橋本 貴宏; 山森 孝彦; 山下 敏史, 仙石 昌也; 宮本 淳; 久留 友紀子; 橋本 貴宏; 山森 孝彦; 山下 敏史, 日本学術振興会, 日本学術振興会 - U(3) Family Symmetry and TeV Scale Physics
Grant-in-Aid for Scientific Research (C)
Osaka University
01 Apr. 2019 - 31 Mar. 2022
小出 義夫; 山下 敏史, Koide Yoshio, 日本学術振興会, Japan Society for the Promotion of Science - TeV scale physics suggested by the charged lepton mass formula
Grant-in-Aid for Scientific Research (C)
Osaka University
01 Apr. 2016 - 31 Mar. 2019
小出 義夫; 山中 真人; 山下 敏史; 西浦 広幸, KOIDE Yoshio; NISHURA Hiroyuki, 日本学術振興会, Japan Society for the Promotion of Science - An Analysis of On-Cloud Collaborative Report Writing and Its Pedagogical Utilization
Grant-in-Aid for Scientific Research (C)
Aichi Medical University
01 Apr. 2016 - 31 Mar. 2019
仙石 昌也; 宮本 淳; 山森 孝彦; 久留 友紀子; 橋本 貴宏; 山下 敏史, SENGOKU Masaya, 日本学術振興会, Japan Society for the Promotion of Science - A study on Higgs particle and dark matter candidates in a SUSY model with a continuos R symmetry
Grant-in-Aid for Scientific Research (C)
Niigata University
01 Apr. 2014 - 31 Mar. 2017
中野 博章; 瀬戸 治; 谷本 盛光; 山下 敏史, NAKANO HIROAKI, 日本学術振興会, Japan Society for the Promotion of Science - Grand gauge-Higgs unification and its dynamics
Grant-in-Aid for Scientific Research (C)
Kumamoto Health Science University
01 Apr. 2012 - 31 Mar. 2015
竹永 和典; 宗 博人; 山下 敏史; 小島 健太郎, TAKENAGA KAZUNORI; SO Hiroto; YAMASHITA Toshifumi; KOJIMA Kentaro, 日本学術振興会, Japan Society for the Promotion of Science