Akihisa Koizumi

(小泉昭久)

Profile Information

Affiliation: Associate Professor, Graduate School of Science, University of Hyogo

Degree: 博士（理学）(岡山大学)

J-GLOBAL ID: 200901062593359879
researchmap Member ID: 5000022858

Research Interests

Research Areas

Natural sciences / Magnetism, superconductivity, and strongly correlated systems / 放射光、コンプトン散乱、磁気コンプトン散乱、X線磁気吸収、イメージング測定、重い電子系

Research History

Oct, 2007 - Present

Assocoate Professor, Graduate School of Material Science, University of Hyogo
Apr, 2004 - Sep, 2007

Graduate School of Material Science, University of Hyogo
1992 - Mar, 2004

Himeji Institute of Technology

Education

- 1992

Okayama University

Papers

Visual Indication of Electronic Structures in CeIn3 Depending on Temperature: A Compton Scattering Study

Akihisa Koizumi, Satoshi Tsutsui, Jumaeda Jatmika, Naruki Tsuji, Maki Tokii, Makoto Matsumoto, Takao Ebihara

Journl of the Physical Society of Japan, 94 034704-1-034704-6, Mar, 2025 Peer-reviewedLead author
Visualizing the Kondo lattice crossover in YbRh2Si2 with Compton scattering

M. Güttler, K. Kummer, K. Kliemt, C. Krellner, S. Seiro, C. Geibel, C. Laubschat, Y. Kubo, Y. Sakurai, D. V. Vyalikh, A. Koizumi

Physical Review B, 103(11), Mar 15, 2021 Peer-reviewedLast author
Change of Electronic Structure Associated with Hidden Order Transition in URu2Si2 Studied by Compton Scattering Experiment

Akihisa Koizumi, Gaku Motoyama, Yasunori Kubo, Tomoo Yamamura, Yoshiharu Sakurai

Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019), 30 011170, Mar 19, 2020 Peer-reviewedLead author
Electronic structure in heavy fermion compound Upd<inf>2</inf>Al<inf>3</inf> through directional Compton profile measurement

Akihisa Koizumi, Yasunori Kubo, Etsuji Yamamoto, Yoshinori Haga, Yoshiharu Sakurai

Journal of the Physical Society of Japan, 88(3), 2019 Peer-reviewedLead author
How the electronic structure in URu<inf>2</inf>Si<inf>2</inf> changes with temperature: A high-resolution Compton scattering study

Akihisa Koizumi, Yasunori Kubo, Gaku Motoyama, Tomoo Yamamura, Yoshiharu Sakurai

Journal of the Physical Society of Japan, 87(6), 2018 Peer-reviewedLead author

Misc.

24pDE-4 Application of Polarized Gamma-ray by Laser Compton Scattering Source III

Miyamoto S., Yamaguchi M., Takemoto A., Kotaka T., Minamiyama Y., Amano S., Hashimoto S., Sakai N., Koizumi A., Hayakawa T., Date S., Ohkuma H., Bernard D., Gros P., Wang S., Frotin M., Geerebaer Y., Delbart A., Attie D., Sizun P.

Meeting Abstracts of the Physical Society of Japan, 70 557-557, 2015
8aPS-102 Change of momentum density distribution on the Hidden order transition in URu_2Si_2

Koizumi A., Sato I., Motoyama G., Yamaguchi A., Sumiyama A., Oda Y., Itou M., Sakurai Y., Kubo Y., Yamamura T.

Meeting Abstracts of the Physical Society of Japan, 69 381-381, 2014
28aPS-51 Electronic state of hidden order phase in URu_2Si_2 viewed in terms of electron momentum density distribution

Koizumi A., Yamamura T., Sato I., Tomiishi T., Motoyama G., Yamaguchi A., Sumiyama A., Oda Y., Itou M., Sakurai Y., Kubo Y.

Meeting Abstracts of the Physical Society of Japan, 69 605-605, 2014
27aPS-96 Temperature dependence of 5f electronic state in URu_2Si_2 studied by Compton scattering experiment

Koizumi A., Itou M., Sakurai Y., Kubo Y., Yamamura T., Sato I., Sakata Y., Inoue R., Yasuda A., Kano A., Motoyama G., Yamaguchi A., Sumiyama A., Oda Y.

Meeting Abstracts of the Physical Society of Japan, 68 632-632, 2013
20aPSA-11 Change in electronic state of URu_2Si_2 with temperature observed by Compton scattering experiment

Koizumi A., Kubo Y., Yamamura T., Sato I., Kawabata K., Tsuchiya Y., Motoyama G., Yamaguchi A., Sumiyama A., Oda Y., Itou M., Sakurai Y.

Meeting Abstracts of the Physical Society of Japan, 67 509-509, 2012

Presentations

Compton Scattering Imaging Method by Using Coded Aperture Mask on BL08W at SPring-8

日本放射光学会, Jan 11, 2025
Development of ImagingMethod by Applying Coded Aperture Mask;for High Energy;X-ray Compton Scattering

A. Koizumi, Y. Ohtsuka, Y. Mizuno, N. Tsuji

Sep 16, 2024
18pC200-3 Review of experimental studies by using high resolution and magnetic Compton scattering

A. Koizumi

Sep, 2023 Invited
24pPSH-48 Electronic structure of superconducting state in heavy fermion compound CeCoIn5 studied by Compton scattering experiment

A.Koizumi, S.Tsutsui, N.Tsuji, T.Ebihara

Mar, 2023
16pPSH-61 Electronic structure of non-Fermi liquid state in heavy fermion compound CeCoIn5 studied by Compton scattering experiment

A. Koizumi, R. Omori, H. Kobayashi, N. Tsuji, S. Tsutsui, T. Ebihara

Mar, 2022

Professional Memberships

Works

放射光・中性子・電子線を用いた軌道自由度観測技術の開発

2000 - 2002

Research Projects

符号化開口マスクを用いた（磁気）コンプトン散乱イメージング測定法の開発

技術研究助成, 公益財団法人ＪＦＥ21 世紀財団, Jan, 2024 - Dec, 2025

小泉昭久, 辻成希, 水野勇希
コンプトン散乱と角度分解光電子分光の相補利用で検証する銅酸化物のフェルミ面

科学研究費助成事業, 日本学術振興会, Apr, 2020 - Mar, 2024

山瀬博之, 吉田鉄平, 小泉昭久, 辻成希, 櫻井吉晴
Study of electronic structure in heavy fermion Ce compounds through Compton scattering experiment

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2023
Elucidation of 5f Electronic State in Uranium Heavy Fermion Compound through Compton Scattering Experiment

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2012 - Mar, 2015

KOIZUMI Akihisa
Development and Application of Direct Fermi-Surface Mapping Method for Strongly Correlated Materials

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, 2006 - 2009

SAKURAI Yoshiharu, ITOU Masayoshi, KOIZUMI Akihisa, YAMAGUCHI Masuhiro, KUBO Yasunori

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