Cosmology

Superstring Theory

Theoretical Particle Physics

Computer Simulation

Terahertz

Free Electron Laser

Light Source Technologies

LINAC

Natural sciences, Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics, Particle/Nuclear/Cosmic ray/Astro physics

Energy, Quantum beam science, Quantum beam science

Apr. 2022 - Present
Nihon University, College of Science and Technology, Associate Professor

Apr. 2020 - Mar. 2022
Nihon University, College of Science and Technology, Assistant Professor

Apr. 2017 - Mar. 2020
Nihon University, College of Science and Technology, Assistant

Apr. 2016 - Mar. 2017
High Energy Accelerator Research Organization (KEK), Accelerator Laboratory, Research Associate

Jan. 2014 - Mar. 2016
High Energy Accelerator Research Organization (KEK), Institute of Particle and Nuclear Studies, Postdoctoral Fellow

Jan. 2014 - Mar. 2016
High Energy Accelerator Research Organization (KEK), Institute of Particle and Nuclear Studies, Postdoctoral Fellow

Jan. 2013 - Dec. 2013
The Hong Kong University of Science and Technology (Hong Kong), Department of Physics, Institute for Advanced Study, Research Assistant Professor, IAS Junior Fellow

Aug. 2011 - Dec. 2012
The Hong Kong University of Science and Technology (Hong Kong), Institute for Advanced Study, IAS Postdoctoral Fellow

Nov. 2009 - Aug. 2011
Tata Institute of Fundamental Research (India), Department of Theoretical Physics, Postdoctral Fellow

Mar. 2009 - Oct. 2009
University of Wisconsin, Madison (USA), Department of Physics, Nishina Foundation Fellowship

Apr. 2006 - Mar. 2009
The Graduate University for Advanced Studies, School of High Energy Accelerator Science, Department of Particle and Nuclear Physics

Apr. 2004 - Mar. 2006
Chiba University, 自然科学研究科, 理化学専攻

Apr. 2000 - Mar. 2004
Chiba University, Faculty of Science, Department of Physics

Apr. 2022 - Present

Apr. 2023 - Mar. 2024

Apr. 2022 - Mar. 2023
令和4年度専門調査員, ⽂部科学省 科学技術・学術政策研究所 科学技術予測センター

Apr. 2021 - Mar. 2022
令和3年度専門調査員, ⽂部科学省 科学技術・学術政策研究所 科学技術予測センター

Jun. 2023
一般社団法人日本赤外線学会, 論文賞
日本大学電子線利用研究施設におけるコヒーレントエッジ放射の光源開発
境武志、早川恭史、住友洋介、清紀弘

Particle Accelerator Society of Japan (PASJ), 15th PASJ Presentation Award
Simulation of Zero-Detuning Oscillation from Dynamical Phase Modulation at Nihon U. Oscillator FEL, Japan society

The Graduate University for Advanced Studies, Nagakura Research Incentive Award
M理論に存在する膜の有効理論についての研究, Others

The Graduate University for Advanced Studies, The SOKENDAI Research Award
M理論に存在する膜の有効理論についての研究, Others

A Ground Experimental Approach Toward Understanding Mysterious Astrophysical Fast Radio Bursts
Y. Sumitomo; T. Asai; S. Kisaka; H. Koguchi; K. Kusaka; R. Yanagi; Y. Onishi; Y. Hayakawa; D. Kobayashi; S. Kumagai; T. Sakai; T. Seki
JACoW LINAC2022 (2022) THPOJO22, Oct. 2022, Not refereed, Not invited
Lead

Degradation of Lignin by Infrared Free Electron Laser
Takayasu Kawasaki; Heishun Zen; Takeshi Sakai; Yoske Sumitomo; Kyoko Nogami; Ken Hayakawa; Toyonari Yaji; Toshiaki Ohta; Takashi Nagata; Yasushi Hayakawa
Polymers, Jun. 2022, Refereed

Toward THz coherent undulator radiation experiment with a combination of velocity bunchings
Y. Sumitomo; T. Sakai; N. Sei; K. Hayakawa; Y. Hayakawa; K. Nogami; T. Tanaka
Proceedings of the 12th International Particle Accelerator Conference, Aug. 2021, Not refereed, Not invited
Lead

Design and Construction of an Intense Terahertz-Wave Source based on Coherent Cherenkov Radiation Matched to Circle Plane Wave
N. Sei; H. Ogawa; Y. Hayakawa; T. Sakai; Y. Sumitomo; T. Tanaka; K. Hayakawa; K. Nogami; Y. Takahashi; T. Takahashi
Proceedings of the 12th International Particle Accelerator Conference, Aug. 2021, Not refereed, Not invited

Toward Understanding of Astrophysical Fast Radio Bursts from An Accelerator and Plasma Experiment
Yoske Sumitomo; Tomohiko Asai; Shota Kisaka; Takeshi Sakai; Yasushi Hayakawa; Shiomi Kumagai; Daichi Kobayashi; Taichi Seki; Shigeru Inagaki; Norita Kawanaka; Haruhisa Koguchi; Norihiro Sei
Proceedings of the 18th Annual Meeting of Particle Accelerator Society of Japan, Aug. 2021, Not refereed, Not invited
Lead

Toward Mid-IR FEL Pulse Stacking for Peak Power Enhancement
Yoske Sumitomo; Takeshi Sakai; Yasushi Hayakawa; Keigo Kawase; Ryoichi Hajima
Proceedings of the 18th Annual Meeting of Particle Accelerator Society of Japan, Aug. 2021, Not refereed, Not invited
Lead

Observation of terahertz coherent edge radiation amplified by infrared free-electron laser oscillations
Norihiro Sei; Takeshi Sakai; Yasushi Hayakawa; Yoske Sumitomo; Kyoko Nogami; Toshinari Tanaka; Ken Hayakawa
Scientific Reports 11, 3433 (2021), Feb. 2021, Refereed, Not invited

Development of coherent THz quasi-monochromatic undulator radiations at Nihon University
Yoske Sumitomo; Takeshi Sakai; Norihiro Sei; Ken Hayakawa; Yasushi Hayakawa; Ayumu Kurosawa; Kyoko Nogami; Hiroki Okazaki; Toshinari Tanaka
PASJ2020 WEPP61, Sep. 2020, Not refereed, Not invited
Lead

Laser Processing of Fiber Biopolymers by using Infrared Free Electron Laser Combined with ESI-MS Analysis
T. Kawasaki; T. Sakai; Y. Sumitomo; K. Hayakawa; K. Nogami; H. Zen; A. Irizawa; Y. Hayakawa
ASMS2020 Reboot Kawasaki0616, Jun. 2020, Not refereed, Not invited

Cellulose Degradation by Infrared Free Electron Laser
Takayasu Kawasaki; Takeshi Sakai; Heishun Zen; Yoske Sumitomo; Kyoko Nogami; Ken Hayakawa; Toyonari Yaji; Toshiaki Ohta; Koichi Tsukiyama; and Yasushi Hayakawa
ACS Energy & Fuels 2020 34 (7), 9064-9068, May 2020, Refereed, Not invited

Research and Development of Attosecond VUV and X-ray Sources Driven by Mid-Infrared FEL Oscillators
Ryoichi Hajima; Ryoji Nagai; Keigo Kawase; Hideaki Ohgaki; Heishun Zen; Yasushi Hayakawa; Takeshi Sakai; Yoske Sumitomo; Miho Shimada; Tsukasa Miyajima
OSA High-brightness Sources and Light-driven Interactions Congress 2020 (EUVXRAY, HILAS, MICS), 2020

Coherent edge radiation sources in Linac-based infrared free-electron laser facilities
N. Sei; H. Ogawa; T. Tanaka; Y. Hayakawa; T. Sakai; Y. Sumitomo; K. Hayakawa; K. Nogami; H. Ohgaki; H. Zen
Proceedings of the 29th Linear Accelerator Conference, LINAC 2018, 2020, Not refereed, Not invited

Simulation of Short-Pulse Generation from A Dynamically Detuned IR-FEL Oscillator and Pulse Stacking at An External Cavity
Yoske Sumitomo; Ryoichi Hajima; Yasushi Hayakawa; Takeshi Sakai
Journal of Physics: Conference Series, Dec. 2019, Refereed, Not invited
Lead

Development of An Enhancement Cavity for Pulse Stacking from IR-FEL Oscillator
Y. Sumitomo; K. Kawase; R. Hajima; A. Kurosawa; Y. Hayakawa; T. Sakai
PASJ2019 THPI023, Jul. 2019, Not refereed, Not invited
Lead

Electron Driven Positron Source for International Linear Collider
M. Kuriki; T. Okugi; T. Omori; M. Satoh; Y. Seimiya; J. Urakawa; K. Yokoya; H. Nagoshi; K. Negishi; Y. Sumitomo; T. Takahashi
IPAC2019 MOPMP008, May 2019, Not refereed, Not invited

Simulation of Electric and Thermal Behavior of Cryogenic Three-cell Copper Accelerating Cavity for High Gradient Experiments
T. Tanaka; K. Hayakawa; Y. Hayakawa; K. Nogami; T. Sakai; Y. Sumitomo; Y. Takahashi
IPAC2019 MOPTS052, May 2019, Not refereed, Not invited

Research of Coherent Edge Radiation Generated by Electron Beams Oscillating Free-Electron Lasers
N. Sei; H. Ogawa; K. Hahayaka; Y. Hayakawa; K. Nogami; T. Sakai; Y. Sumitomo; Y. Takahashi; T. Tanaka; H. Ohgaki; H. Zen
IPAC2019 TUPRB039, May 2019, Not refereed, Not invited

Development of Coherent Terahertz Wave Sources and Transport Systems at LEBRA Linac
T. Sakai; K. Hayakawa; Y. Hayakawa; K. Nogami; Y. Sumitomo; T. Tanaka; H. Ogawa; N. Sei
IPAC2019 TUPRB040, May 2019, Not refereed, Not invited

Performance of K-edge subtraction tomography as an application of parametric x-ray radiation
Y. Hayakawa; K. Hayakawa; K. Nogami; T. Sakai; I. Sato; Y. Sumitomo; Y. Takahashi; and T. Tanaka
Phys. Rev. Accel. Beams 22, 024701, Feb. 2019, Refereed, Not invited

Application of infrared Fel oscillators for producing isolated attosecond X-ray pulses via high-harmonic generation in rare gases
R. Hajima; R. Nagai; K. Kawase; H. Ohgaki; H. Zen; Y. Hayakawa; T. Sakai; Y. Sumitomo; M. Shimada; T. Miyajima
Proceedings of the 39th International Free-Electron Laser Conference, FEL 2019, 2019, Not refereed, Invited

Simulation for THz coherent undulator radiation from combination of velocity bunchings
Yoske Sumitomo; Ken Hayakawa; Yasushi Hayakawa; Kyoko Nogami; Takeshi Sakai; Yumiko Takahashi and Toshinari Tanaka
J. Phys.: Conf. Ser. 1067 032017 (2018), Oct. 2018, Refereed, Not invited
Lead

Development of High Power Coherent Terahertz Wave Sources at Lebra 125 MeV Linac in Nihon University
T. Sakai; K. Hayakawa; Y. Hayakawa; K. Nogami; Y. Sumitomo; Y. Takahashi; T. Tanaka; H. Ogawa; N. Sei
LINAC2018 MOPO024, Sep. 2018, Not refereed, Not invited

Simulation for Combination of Velocity Bunchings and Coherent THz Undulator Radiation
Y. Sumitomo; K. Hayakawa; Y. Hayakawa; K. Nogami; T. Sakai; Y. Takahashi; T. Tanaka
IRMMW-THz 2018 18227501, Sep. 2018, Not refereed, Not invited
Lead

High Power Coherent Terahertz Wave Sources at LEBRA Linac in Nihon University
T. Sakai; N. Sei; T. Tanaka; Y. Hayakawa; Y. Sumitomo; K. Hayakawa; K. Nogami; H. Ogawa
IRMMW-THz 2018 18227267, Sep. 2018, Not refereed, Not invited

Project of an Intense Terahertz-Wave Source based on Coherent Cherenkov Radiation Matched to Circle Plane Wave
N. Sei; T. Sakai; T. Tanaka; Y. Hayakawa; Y. Sumitomo; Y. Takahashi; K. Hayakawa; K. Nogami
IRMMW-THz 2018 18241937, Sep. 2018, Not refereed, Not invited

The Effect of Energy Fluctuation on the Multi-bunch Acceleration in E-driven ILC Positron Source
M. Kuriki; H. Nagoshi; S. Kashiwagi; K. Negishi; T. Okugi; T. Omori; M. Satoh; Y. Seimiya; J. Urakawa; K. Yokoya; Y. Sumitomo; T. Takahashi
LINAC2018 THPO127, Aug. 2018, Not refereed, Not invited

Simulation of Zero-Detuning Oscillation from Dynamical Phase Modulation at Nihon U. Oscillator FEL
Yoske Sumitomo; Yasushi Hayakawa; Ken Hayakawa; Kyoko Nogami; Takeshi Sakai; Yumiko Takahashi; Toshinari Tanaka
PASJ2018 THP027, Aug. 2018, Not refereed, Not invited
Lead

Simulation of Pulsed Temperature Rise in Cryogenic Copper RF Cavity Achieving a Very High Accelerating Field
T. Tanaka; K. Hayakawa; Y. Hayakawa; K. Nogami; T. Sakai; Y. Sumitomo
IPAC2018 THPAL061, Jun. 2018, Not refereed, Not invited

A Design Study of the Electron-driven ILC Positron Source Including Beam Loading Effect
Hisayasu Nagoshi; Shigeru Kashiwagi; Masao Kuriki; Kentaro Negishi; Tsunehiko Omori; Masanori Satoh; Yuji Seimiya; Yoske Sumitomo; Tohru Takahashi; Junji Urakawa
IPAC2018 MOPMF077, Jun. 2018, Not refereed, Not invited

日本大学電子線利用研究施設における近赤外自由電子レーザー開発と利用
田中俊成; 境武志; 早川建; 早川恭史; 野上杏子; 住友洋介
J. Jpn. Soc. Infrared Science & Technology, Jan. 2018, Refereed, Not invited

Simulation of velocity bunching optimization for bright THz light source from oscillator FEL
Yoske Sumitomo; Ken Hayakawa; Yasushi Hayakawa; Kyoko Nogami; Takeshi Sakai; Toshinari Tanaka
PASJ2017 TUP034, Aug. 2017, Not refereed, Not invited
Lead

A Simulation for Bright THz Light Source from Wiggler Radiation at KEK LUCX
Yoske Sumitomo; Sakae Araki; Alexander Aryshev; Abhay Deshpande; Masafumi Fukuda; Mikhail Shevelev; Nobuhiro Terunuma; Junji Urakawa
NA-PAC2016 THPOA52, Jan. 2017, Not refereed, Not invited
Lead

Improvement of X-ray Generation by Using Laser Compton Scattering in Laser Undulator Compact X-ray Source (LUCX)
Masafumi Fukuda; Sakae Araki; Yosuke Honda; Kazuyuki Sakaue; Yoske Sumitomo; Nobuhiro Terunuma; Junji Urakawa; Masakazu Washio
NA-PAC2016 THPOA51, Jan. 2017, Not refereed, Not invited

De Sitter vacua from a D-term generated racetrack potential in hypersurface Calabi-Yau compactifications
Andreas P. Braun; Markus Rummel; Yoske Sumitomo; Roberto Valandro
JOURNAL OF HIGH ENERGY PHYSICS, Dec. 2015, Refereed, Not invited

Accidental Kahler moduli inflation
Anshuman Maharana; Markus Rummel; Yoske Sumitomo
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Sep. 2015, Refereed, Not invited

De Sitter vacua from a D-term generated racetrack uplift
Yoske Sumitomo; Markus Rummel
JOURNAL OF HIGH ENERGY PHYSICS, Jan. 2015, Refereed, Not invited

Probability of Vacuum Stability in Type IIB Multi-Kahler Moduli Models
Markus Rummel; Yoske Sumitomo
JHEP 1312 (2013) 003, Dec. 2013, Refereed, Not invited

Statistical distribution of the vacuum energy density in racetrack Kahler uplift models in string theory
Yoske Sumitomo; S. -H. Henry Tye; Sam S. C. Wong
JOURNAL OF HIGH ENERGY PHYSICS, Jul. 2013, Refereed, Not invited

Preference for a vanishingly small cosmological constant in supersymmetric vacua in a Type IIB string theory model
Yoske Sumitomo; S. -H. Henry Tye
PHYSICS LETTERS B, Jun. 2013, Refereed, Not invited

A stringy mechanism for a small cosmological constant - multi-moduli cases
Yoske Sumitomo; S. -H. Henry Tye
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Feb. 2013, Refereed, Not invited

Stringy mechanism for a small cosmological constant
Yoske Sumitomo; S. -H. Henry Tye
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Aug. 2012, Refereed, Not invited

A global view on the search for de Sitter vacua in (Type IIA) string theory
Xingang Chen; Gary Shiu; Yoske Sumitomo; S. -H. Henry Tye
JOURNAL OF HIGH ENERGY PHYSICS, Apr. 2012, Refereed, Not invited

Stability constraints on classical de Sitter vacua
Gary Shiu; Yoske Sumitomo
JOURNAL OF HIGH ENERGY PHYSICS, Sep. 2011, Refereed, Not invited

Axions as quintessence in string theory
Sudhakar Panda; Yoske Sumitomo; Sandip P. Trivedi
PHYSICAL REVIEW D, Apr. 2011, Refereed, Not invited

Non-supersymmetric infrared perturbations to the warped deformed conifold
Paul McGuirk; Gary Shiu; Yoske Sumitomo
NUCLEAR PHYSICS B, Jan. 2011, Refereed, Not invited

Holographic gauge mediation via strongly coupled messengers
Paul McGuirk; Gary Shiu; Yoske Sumitomo
PHYSICAL REVIEW D, Jan. 2010, Refereed, Not invited

Scaling limit of N=6 superconformal Chern-Simons theories and Lorentzian Bagger-Lambert theories
Yoshinori Honma; Satoshi Iso; Yoske Sumitomo; Sen Zhang
PHYSICAL REVIEW D, Nov. 2008, Refereed, Not invited

Generalized Conformal Symmetry and Recovery of SO(8) in Multiple M2 and D2 Branes
Yoshinori Honma; Satoshi Iso; Yoske Sumitomo; Hiroshi Umetsu; Sen Zhang
Nucl.Phys.B816:256-277,2009, Jul. 2008, Refereed, Not invited

Janus field theories from multiple M2 branes
Yoshinori Honma; Satoshi Iso; Yoske Sumitomo; Sen Zhang
PHYSICAL REVIEW D, Jul. 2008, Refereed, Not invited

Holography of rotating dual giant Wilson loops
Akitsugu Miwa; Yoske Sumitomo; Kentaroh Yoshida
INTERNATIONAL JOURNAL OF MODERN PHYSICS A, Jun. 2008, Refereed, Not invited

A tunneling picture of dual giant Wilson loop
Akitsugu Miwa; Yoske Sumitomo; Kentaroh Yoshida
JOURNAL OF HIGH ENERGY PHYSICS, May 2008, Refereed, Not invited

STATUS OF 125 MeV ELECTRON LINAC AND LIGHT SOURCE AT LEBRA IN NIHON UNIVERSITY
野上杏子; 早川恭史; 境武志; 住友洋介; 高橋由美子; 早川建; 田中俊成; 清紀弘; 小川博嗣; 古川和朗; 道園真一郎; 土屋公央; 吉田光宏; 諏訪田剛; 福田茂樹; 榎本收志; 大澤哲; 山本樹; 新冨孝和
日本加速器学会年会(Web), 2021

STATUS REPORT OF 125 MeV ELECTRON LINAC AND LIGHT SOURCE DEVELOPMENT AT NIHON UNIVERSITY
野上杏子; 早川建; 田中俊成; 早川恭史; 境武志; 住友洋介; 高橋由美子; 清紀弘; 小川博嗣; 古川和朗; 道園真一郎; 土屋公央; 吉田光宏; 諏訪田剛; 福田茂樹; 榎本收志; 大澤哲; 山本樹; 新冨孝和
日本加速器学会年会(Web), 2020

日本大学125MeV電子線形加速器の現状
野上杏子; 早川建; 田中俊成; 早川恭史; 境武志; 住友洋介; 高橋由美子; 清紀弘; 小川博嗣; 古川和朗; 道園真一郎; 土屋公央; 吉田光宏; 諏訪田剛; 福田茂樹; 榎本收志; 大澤哲; 山本樹; 新冨孝和; 佐藤勇
日本加速器学会年会(Web), 2019

Study of coherent edge radiation for the measurement of the bunch length in an electron bunch
Sei Norihiro; Zen Heishun; Ohgaki Hideaki; Ogawa Hiroshi; Tanaka Toshinari; Hayamawa Yasushi; Sakai Takeshi; Sumitomo Yoske; Takahashi Yumiko; Hayakawa Ken; Nogami Kyoko
Meeting Abstracts of the Physical Society of Japan, 2018, Not refereed, Not invited

Current Status of Interaction Experiments with Plasma for realization of Astrophysical Fast Radio Burst on ground
住友 洋介; 浅井 朋彦; 小口 治久; 日下 和大; 井浦 空太; 早川 恭史; 小林 大地; 境 武志; 関 太一
The 20th Annual Meeting of Particle Accelerator Society of Japan, Sep. 2023, Not invited

Report on THz Undulator Radiation Experiment with Combination of Velocity Bunchings
住友 洋介,境 武志,早川 建; 早川 恭史
第19回日本加速器学会年会, Oct. 2022, 日本加速器学会, Not invited

A Ground Experimental Approach Toward Understanding Mysterious Astrophysical Fast Radio Bursts
Y. Sumitomo; T. Asai; S. Kisaka; H. Koguchi; K. Kusaka; R. Yanagi; Y. Onishi; Y. Hayakawa; D. Kobayashi; S. Kumagai; T. Sakai; T. Seki
31st International Linear Accelerator Conference 2022 (LINAC2022), Sep. 2022, Not invited

A Laboratory Astrophysical Project Toward Understanding Mysterious Fast Radio Bursts
Yoske Sumitomo; Tomohiko Asai; Shota Kisaka; Haruhisa Koguchi; Kazuhiro Kusaka; Ryotaro Yanagi; Yuma Onishi; Yasushi; Hayakawa; Daichi Kobayashi; Shiomi Kumagai; Takeshi Sakai; Taichi Seki
33rd International Symposium on Space Technology and Science, Mar. 2022, 33rd International Symposium on Space Technology and Science, Not invited

中赤外自由電子レーザーパルス高強度化のための外部蓄積実験に向けて
住友 洋介,境 武志,早川 恭史,川瀬 啓悟,羽島 良一
第18回日本加速器学会年会, Aug. 2021, 日本加速器学会, Not invited

加速器とプラズマを用いた宇宙高速電波バースト現象への実験室的挑戦
住友 洋介,浅井 朋彦,木坂 将太,境 武志,早川 恭史,熊谷 紫麻見,小林 大地,関 太一,稲垣 滋,川中 宣太,小口 治久,清 紀弘
第18回日本加速器学会年会, Aug. 2021, 日本加速器学会, Not invited

Toward THz coherent undulator radiation experiment with a combination of velocity bunchings
Y. Sumitomo; T. Sakai; N. Sei; K. Hayakawa; Y. Hayakawa; K. Nogami; T. Tanaka
12th International Particle Accelerator Conference, May 2021, 12th International Particle Accelerator Conference, Not invited

An Experimental Challenge with Accelerator and Plasma to Astrophysical Fast Radio Bursts
Yoske Sumitomo; Tomohiko Asai; Shota Kisaka; Yasushi Hayakawa; Shigeru Inagaki; Norita Kawanaka; Daichi Kobayashi; Haruhisa Koguchi; Shiomi Kumagai; Takeshi Sakai; Norihiro Sei; Taichi Seki
Optics&Photonics International Congress 2021 / High Energy Density Science 2021, Apr. 2021, OPTICS & PHOTONICS International Council, Invited

Development of coherent THz quasi-monochromatic undulator radiations at Nihon University
Yoske Sumitomo
PASJ2020, Sep. 2020, Particle Accelerator Society of Japan, Not invited

Development of An Enhancement Cavity for Pulse Stacking from IR-FEL Oscillator
Yoske Sumitomo
PASJ2019, Jul. 2019, Particle Accelerator Society of Japan (PASJ), Not invited

Simulation of Short-Pulse Generation from a Dynamically Detuned IR-FEL Oscillator and Pulse Stacking at an External Cavity
Yoske Sumitomo
The 10th International Particle Accelerator Conference (IPAC'19), May 2019, Not invited

Simulation of a short and high peak power radiation from the oscillator FEL with the dynamical phase modulation at Nihon U.
Yoske Sumitomo
JPS 2019 Annual(74th) Meeting, Mar. 2019, JPS, Not invited

日大共振器型FEL低・高電荷運転における動的変調完全同期長発振シミュレーション
住友洋介
JSR2019, Jan. 2019, JSSRR, Not invited

Simulation For Combination Of Velocity Bunchings And Coherent THz Undulator Radiation
Yoske Sumitomo
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2018), Sep. 2018, Not invited

Simulation of Zero-Detuning Oscillation from Dynamical Phase Modulation at Nihon U. Oscillator FEL
Yoske Sumitomo
PASJ2018, Aug. 2018, Not invited

Simulation for THz Coherent Undulator Radiation from Combination of Velocity Bunchings
Yoske Sumitomo
The 9th International Particle Accelerator Conference (IPAC'18), Apr. 2018, Not invited

Simulation for THz coherent undulator radiation from combined velocity bunching
Yoske Sumitomo
JPS 73rd Annual Meeting (2018), Mar. 2018, Not invited

組み合わせ速度集群とFEL THz光源シミュレーション
住友 洋介、早川 建、早川 恭史、野上 杏子、境 武志、田中 俊成
第31回日本放射光学会年会・放射光科学合同シンポジウム, Jan. 2018, Not invited

Simulation of Velocity
住友 洋介
PASJ2017, Aug. 2017, Not invited

A Start to End Simulation of E-driven Positron Source for ILC
Yoske Sumitomo
International Workshop on Future Linear Colliders (LCWS2016), Dec. 2016, Not invited

A Simulation for Bright THz Light Source from Wiggler Radiation at KEK LUCX
Yoske Sumitomo
2016 North American Particle Accelerator Conference (NAPAC16), Oct. 2016, Not invited

De Sitter vacua from a D-term generated racetrack potential in hypersurface Calabi-Yau compactifications
KEK Theory Workshop 2015 Dec, Dec. 2015, Not invited

De Sitter Vacua from a D-term Generated Racetrack Uplift in Type IIB String Theory Compactifications
住友 洋介
新学術領域「何故宇宙は加速するのか？-徹底的救命と将来への挑戦-」発足シンポジウム, Sep. 2015, Not invited

Accidental Kähler Moduli Inflation
住友 洋介
日本物理学会2015年秋季大会, Sep. 2015, Not invited

Accidental Kӓhler Moduli Inflation
Yoske Sumitomo
String Phenomenology 2015, Jun. 2015, Not invited

Accidental Kӓhler Moduli Inflation
Yoske Sumitomo
Gordon Research Conference 'String Theory & Cosmology', May 2015, Not invited

IIB超弦理論のD項によるレーストラック構造を用いたドシッター真空
住友 洋介
日本物理学会第70回年次大会, Mar. 2015, Not invited

De Sitter Vacua from a D-term Generated Racetrack Uplift
Yoske Sumitomo
The 24th Workshop on General Relativity and Gravitation (JGRG24), Nov. 2014, Not invited

De-Sitter Vacua from a Multi-Kahler Moduli Uplift
Yoske Sumitomo
String Phenomenology 2014, Jul. 2014, Not invited

Probability of Vacuum Stability in Type IIB Multi-Kahler Moduli Models
Yoske Sumitomo
IAS Workshop on “New Perspectives on Cosmology”, May 2014, Invited

IIB型超弦理論の模型における安定真空の存在確率とその比較
住友 洋介
日本物理学会第69回年次大会, Mar. 2014, Not invited

Comments on Racetrack Kahler Uplift
Yoske Sumitomo
String Phenomenology 2013, Jul. 2013, Not invited

Statistical properties of type IIB stringy vacua for a small cosmological constant
Yoske Sumitomo
TJ2012: Japan-Thai Workshop in Cosmology, Dec. 2012, Not invited

A Stringy Mechanism for a Small Cosmological Constant
Yoske Sumitomo
The 3rd UTQuest workshop, “ExDiP 2012 Superstring Cosmophysics”, Aug. 2012, Invited

A Stringy Mechanism for A Small Cosmological Constant
Yoske Sumitomo
String Phenomenology 2012, Jun. 2012, Not invited

Toward Dark Energy in String Theory
Yoske Sumitomo
KITPC Program "String Phenomenology and Cosmology", Sep. 2011, Not invited

Comments on Stable dS vacua and No-go theorem
Yoske Sumitomo
String Phenomenology 2011, Aug. 2011, Not invited

Axion Quintessence in String Theory
Yoske Sumitomo
第4回 超弦理論と宇宙, Feb. 2011, Invited

Axion Monodromy Quintessence
Yoske Sumitomo
IAS Research Program “Cosmology and String Theory Program”, Jan. 2011, Not invited

Axion Monodromy Quintessence
Yoske Sumitomo
Primordial Features and Non-Gaussianities (PFNG), Dec. 2010, Not invited

Axion Monodromy Quintessence
Focus Week on String Cosmology, Oct. 2010, Not invited

Axion Monodromy Quintessence
Yoske Sumitomo
Horiba International Conference "COSMO/CosPa 2010", Sep. 2010, Not invited

SUSY Breaking Backgrounds and Holographic Gauge Mediation
住友 洋介
KEK理論研究会2010, Mar. 2010, Not invited

Non-SUSY infrared perturbations to the warped deformed conifold and Holographic Gauge Meditation
Yoske Sumitomo
National Strings Workshop, Feb. 2010, Not invited

SUSY Breaking Backgrounds and Holographic Gauge Mediation
Yoske Sumitomo
The 4th Asian Winter School on Strings, Particles and Cosmology, Jan. 2010, Not invited

The Holographic Principle and its Physical Applications
Yoske Sumitomo
Frontiers of Knowledge seminar “String Theory and the Quantum Universe”,, Aug. 2009, Invited

Squashing 変換と一般化されたBMPV Black Hole
住友 洋介
理研シンポジウム 「場と弦の理論の新展開に向けて」, Dec. 2008, Not invited

Multiple M2-branes, Generalized Conformal Symmetry and SO(8)
住友 洋介
KEK workshop "Heterotic string and M theory", Dec. 2008, Not invited

Scaling limit of N=6 superconformal Chern-Simons theories and Lorentzian Bagger-Lambert theories
住友 洋介
日本物理学会2008年秋季大会, Sep. 2008, Not invited

Janus field theories from multiple M2 branes
住友 洋介
基研研究会「量子場理論と弦理論の発展」, Jul. 2008, Not invited

D0-brane 解における球対称性の自発的破れの解析
住友 洋介
日本物理学会第63回年次大会, Mar. 2008, Not invited

局所演算子挿入されたDual Giant Wilson loops のホログラフィ
住友 洋介
日本物理学会第62回年次大会, Sep. 2007, Not invited

A Deformation of Dual Giant Wilson loops
住友 洋介
基研研究会「弦理論と場の理論 --- 量子と時空の最前線」, Aug. 2007, Not invited

Sep. 2023 - Present

Apr. 2023 - Present

Sep. 2022 - Present

Apr. 2022 - Present

Apr. 2022 - Present

Apr. 2022 - Present

Apr. 2022 - Aug. 2022

Apr. 2020 - Aug. 2022

物理学応用
千葉工業大学工学部

物理学基礎
千葉工業大学工学部

力と運動の物理学Ⅰ演習
日本大学理工学部

力と運動の物理学Ⅱ演習
日本大学理工学部

物理学Ⅰ演習
日本大学理工学部

物理学II演習
日本大学理工学部

2017 - Present
The Japanese Society for Synchrotron Radiation Research

2017 - Present
Particle Accelerator Society of Japan

2007 - Present
The Physical Society of Japan

An Experimental Challenge with Accelerator and Plasma to Astrophysical Fast Radio Bursts
Nihon University College of Science and Technology, 理工学研究所プロジェクト研究助成金, Apr. 2021 - Mar. 2023
Yoske Sumitomo; Tomohiko Asai; Shiomi Kumagai; Yasushi Hayakawa; Takeshi Sakai

平面波コヒーレントチェレンコフ放射に基づく高強度テラヘルツ光源の開発
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Apr. 2019 - Mar. 2022
Norihiro Sei; Takeshi Sakai; Toshinari; Tanaka; Hiroshi Ogawa; Yoske Sumitomo

Research and Development of A HIgh Peak Power Quasi-Monochromatic THz Light Source with Combination of Velocity Bunchings
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Apr. 2019 - Mar. 2022
Yoske Sumitomo

自由電子レーザーで駆動する高繰り返しアト秒光源のための基礎基盤技術の研究
MEXT, MEXT Quantum Leap Flagship Program (MEXT Q-LEAP), Nov. 2018
藤井 輝夫

間接検証可能な超弦理論インフレーションに向けて
日本学術振興会, 科学研究費助成事業, 01 Apr. 2016 - 31 Mar. 2018
住友 洋介

Quest for the Ultimate Theory in terms of rich cosmophysical phenomena caused by fields and particles in the hidden sector
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Jun. 2014 - Mar. 2018
Hideo Kodama

Random Analysis Approach to Hierarchy Problem in String Theory
UGC - Research Infrastructure Grant (The Hong Kong University of Science and Technology), Research Grants Council / University Grants Committee Grant, Oct. 2013 - Dec. 2013
Yoske Sumitomo

日本大学理工学部オープンラボ、"加速器科学体験学習「加速器を見て、学んで、作ってみよう！」"の企画
lecturer
日本大学理工学部, オープンラボ, 日本大学理工学部船橋キャンパス, 03 Aug. 2019 - 04 Aug. 2019

日本大学理工学部オープンラボ、"加速器科学体験学習「加速器を見て、学んで、作ってみよう！」"の企画
lecturer
日本大学理工学部, オープンラボ, 日本大学理工学部船橋キャンパス, 04 Nov. 2018 - 04 Nov. 2018

高校生向け講演「宇宙の始まりへの思考旅行」
lecturer
大阪府立北野高校、高エネルギー加速器研究機構, 大阪府立北野高校, 12 Sep. 2015 - 12 Sep. 2015

芸術祭「真鶴まちなーれ」における講演「宇宙の始まりと超弦理論」
lecturer
真鶴町, 芸術祭「真鶴まちなーれ」, 神奈川県足柄下郡真鶴町, 31 Aug. 2014 - 31 Aug. 2014