Hirohito AIZAWA

Profile Information

Affiliation: Associate Professor, Basis of Technology Unit, Division of Basic Human Resources Development, Faculty of Human Resources Development, Polytechnic University

Degree: Ph. D(Mar, 2009, The University of Electro-Communications)

Researcher number: 90586231
J-GLOBAL ID: 201801013452210501
researchmap Member ID: 7000028176

External link: https://www.uitec.jeed.go.jp/schoolguide/teacher/t00145/index.html

Research Interests

Research Areas

Natural sciences / Magnetism, superconductivity, and strongly correlated systems /

Research History

Apr, 2022 - Present

Graduate School of Science Department of Physics, Osaka University
Apr, 2021 - Present

Associate Professor, Basis of Technology Unit, Division of Basic Human Resources Development, Faculty of Human Resources Development, Polytechnic University
Apr, 2013 - Mar, 2020

Assistant Professor, Institute of Physics, Kanagawa University
Apr, 2010 - Mar, 2013

Research Associate, Institute of Physics, Kanagawa University
Apr, 2009 - Mar, 2010

Faculty of Electro-Communications, The University of Electro-Communications
Apr, 2009 - Mar, 2010

博士研究員, 電気通信学研究科量子・物質工学専攻, 電気通信大学大学院

Education

Apr, 2006 - Mar, 2009

Department of Applied Physics and Chemistry, Graduate School of Electro-Communications, The University of Electro-Communications
Apr, 2004 - Mar, 2006

Department of Applied Physics and Chemistry, Graduate School of Electro-Communications, The University of Electro-Communications
Apr, 1999 - Mar, 2003

Department of Applied Physics and Chemistry, Faculty of Electro-Communications, The University of Electro-Communications

Papers

Ferrimagnetism Induced by Off-Site Coulomb Interaction in an Itinerant Electron System

Hirohito Aizawa

Journal of the Physical Society of Japan, 89(11) 114702-114702, Nov 15, 2020 Peer-reviewed
Electronic Structure Calculation and Superconductivity in λ-(BETS)₂GaCl₄

Hirohito Aizawa, Takashi Koretsune, Kazuhiko Kuroki, Hitoshi Seo

Journal of the Physical Society of Japan, 87(9) 093701-093701, Sep 15, 2018 Peer-reviewed
Phase diagram of the magnetic state obtained from a two-particle self-consistent analysis of the half-filled Hubbard model on a honeycomb lattice

Hirohito Aizawa

Journal of Physics: Conference Series, 969(1) 012095, Apr 19, 2018 Peer-reviewed
Microscopic theory of the superconducting gap in the quasi-one-dimensional organic conductor (TMTSF)₂ClO₄: Model derivation and two-particle self-consistent analysis

Hirohito Aizawa, Kazuhiko Kuroki

Physical Review B, 97(10) 104507, Mar 14, 2018 Peer-reviewed
Superconductivity in an effective model derived from Wannier orbitals for an organic conductor (TMTSF)₂ClO₄

Hirohito Aizawa, Kazuhiko Kuroki

PROCEEDINGS OF THE 28TH INTERNATIONAL SYMPOSIUM ON SUPERCONDUCTIVITY (ISS 2015), 81(2016) 21-24, 2016 Peer-reviewed
Enhancement of electron correlation due to the molecular dimerization in organic superconductors beta-(BDA-TTP)(2)X (X = I-3, SbF6)

Hirohito Aizawa, Kazuhiko Kuroki, Jun-ichi Yamada

PHYSICAL REVIEW B, 92(15) 155108, Oct, 2015 Peer-reviewed
Molecular Dependence of the Large Seebeck Effect in tau-Type Organic Conductors

Hirohito Aizawa, Kazuhiko Kuroki, Harukazu Yoshino, George A. Mousdis, George C. Papavassiliou, Keizo Murata

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 83(10) 104705, Oct, 2014 Peer-reviewed
Model construction and superconductivity analysis of organic conductors beta-(BDA-TTP)(2)MF6 (M = P, As, Sb and Ta) based on first-principles band calculation

H. Aizawa, K. Kuroki, S. Yasuzuka, J. Yamada

NEW JOURNAL OF PHYSICS, 14(11) 113045, Nov, 2012 Peer-reviewed
Small Fermi Pocket in Layered Organic Superconductor beta-(BDA-TTP)(2)SbF6

Syuma Yasuzuka, Hiroaki Koga, Yasuhisa Yamamura, Kazuya Saito, Shinya Uji, Taichi Terashima, Hirohito Aizawa, Kazuhiko Kuroki, Masahisa Tsuchiizu, Hiroki Akutsu …

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 81(3) 035006, Mar, 2012 Peer-reviewed
Study on spin and charge fluctuations in tau-type organic conductor

Hirohito Aizawa, Kazuhiko Kuroki

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 9, NO 5, 9(5) 1196-1198, 2012 Peer-reviewed
Theoretical study on the superfluid density of the superconducting MNCl (M=Hf, Zr)

SoonHo Choi, Hirohito Aizawa, Kazuhiko Kuroki

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 72(5) 376-379, May, 2011 Peer-reviewed
Competition of pairing symmetries and a mechanism for Berezinskii pairing in quasi-one-dimensional systems

Keisuke Shigeta, Yukio Tanaka, Kazuhiko Kuroki, Seiichiro Onari, Hirohito Aizawa

PHYSICAL REVIEW B, 83(14) 140509, Apr, 2011 Peer-reviewed
Pairing state competition in quasi-one-dimensional organic superconductors (TMTSF)₂X in a magnetic field

Hirohito Aizawa, Kazuhiko Kuroki, Yukio Tanaka

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 470(11) S596-S597, Dec, 2010 Peer-reviewed
Magnetic field effect on the pairing state competition in quasi-one-dimensional organic superconductors (TMTSF)₂X

H. Aizawa, K. Kuroki, Y. Tanaka

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 470(20) 1085-1088, Nov, 2010 Peer-reviewed
"Pudding mold"-type band as an origin of large thermopower in tau-type organic conductors

Hirohito Aizawa, Kazuhiko Kuroki, Harukazu Yoshino, Keizo Murata

PHYSICA B-CONDENSED MATTER, 405(11) S27-S29, Jun, 2010 Peer-reviewed
Magnetic field effect on the pairing competition in quasi-one-dimensional organic superconductors (TMTSF)₂X

Hirohito Aizawa, Kazuhiko Kuroki, Yukio Tanaka

PHYSICA B-CONDENSED MATTER, 405(11) S250-S252, Jun, 2010 Peer-reviewed
Thermoelectric figure of merit of tau-type conductors of several donors

H. Yoshino, H. Aizawa, K. Kuroki, G. C. Anyfantis, G. C. Papavassiliou, K. Murata

PHYSICA B-CONDENSED MATTER, 405(11) S79-S81, Jun, 2010 Peer-reviewed
Pairing Competition in a Quasi-One-Dimensional Model of Organic Superconductors (TMTSF)₂X in Magnetic Field

Hirohito Aizawa, Kazuhiko Kuroki, Yukio Tanaka

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(12) 124711-1-10, Dec, 2009 Peer-reviewed
Large triplet pairing mixing in the FFLO state of spin fluctuation mediated superconductivity in Q1D systems

H. Aizawa, K. Kuroki, T. Yokoyama, Y. Tanaka

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 469(15-20) 995-998, Aug, 2009 Peer-reviewed
Strong Parity Mixing in the Fulde-Ferrell-Larkin-Ovchinnikov Superconductivity in Systems with Coexisting Spin and Charge Fluctuations

Hirohito Aizawa, Kazuhiko Kuroki, Takehito Yokoyama, Yukio Tanaka

PHYSICAL REVIEW LETTERS, 102(1) 016403-1-4, Jan, 2009 Peer-reviewed

Misc.

Effects of anion-ordering potential on the superconducting gap in an organic conductor (TMTSF)₂ClO₄

Aizawa Hirohito, Kuroki Kazuhiko

Meeting Abstracts of the Physical Society of Japan, 71 1685-1685, 2016
17pAF-9 Relation between dimerization and electron correlation in organic conductors β-(BDA-TTP)₂X (X=I₃, SbF₆)

Aizawa Hirohito, Kuroki Kazuhiko, Yamada Jun-ichi

Meeting Abstracts of the Physical Society of Japan, 70 1579-1579, 2015
21aAS-4 An effective model of organic conductor (TMTSF)₂ClO₄ derived from maximally localized Wannier orbitals and its analysis of the superconducting state

Aizawa Hirohito, Kuroki Kazuhiko

Meeting Abstracts of the Physical Society of Japan, 70 1787-1787, 2015
9aBG-12 Pairing symmetry analysis of (TMTSF)₂ClO₄ based on an effective model derived from maximally localized Wannier orbitals

Aizawa Hirohito, Kuroki Kazuhiko

Meeting abstracts of the Physical Society of Japan, 69(2) 401-401, Aug 22, 2014
Ab initio band calculation and effective model construction of β"-(DODHT)₂XF₆(X=P,As)

Tanaka H., Suzuki K., Usui H., Aizawa H., Kuroki K.

Meeting abstracts of the Physical Society of Japan, 68(2) 745-745, Aug 26, 2013
26aXN-9 Anion dependence and orign of differences for the band structures in β-(BDA-TTP)₂X

Aizawa Hirohito, Kuroki Kazuhiko, Yamada Jun-ichi

Meeting abstracts of the Physical Society of Japan, 68(1) 902-902, Mar 26, 2013
26pBK-14 Pairing symmetry analysis of β-(BDA-TTP)₂MF₆ based on a model obtained from ab-initio band calculation

Aizawa Hirohito, Kuroki Kazuhiko, Yamada Jun-ichi

Meeting abstracts of the Physical Society of Japan, 67(1) 910-910, Mar 5, 2012
21aTQ-6 Ab-initio calculation and effective model on β-(BDA-TTP)₂MF₆(M=P, As, Sb, Ta)

Aizawa Hirohito, Kuroki Kazuhiko, Yamada Jun-ichi

Meeting abstracts of the Physical Society of Japan, 66(2) 840-840, Aug 24, 2011
25pTA-9 Temperature-independent resistivity in α-[(S, S)-DMDH-TTP]₂AuI₂ under uniaxial strain 2

Kuse T., Yokogawa K., Yoshino H., Ichikawa S., Yamada J., Aizawa H., Kuroki K., Murata K.

Meeting abstracts of the Physical Society of Japan, 66(1) 850-850, Mar 3, 2011
23pRB-15 Effect of band gap and electron interaction on magnetism in γ-type organic conductor

Aizawa Hirohito, Kuroki Kazuhiko

Meeting abstracts of the Physical Society of Japan, 65(2) 784-784, Aug 18, 2010
23aPS-10 Theoretical study on the superfluid density of the superconducting MNCl(M=Hf,Zr)

Choi S., Aizawa H., Kuroki K.

Meeting abstracts of the Physical Society of Japan, 65(2) 462-462, Aug 18, 2010
21pGT-12 Effective model for α-[(S,S)-DMDH-TTP]₂AuI₂ based on ab-initio calculation

Aizawa H., Kuroki K., Ichikawa S., Yamada J.

Meeting abstracts of the Physical Society of Japan, 65(1) 895-895, Mar 1, 2010
26aYC-10 "Pudding Mold"-type band as an origin of large thermopower in τ-type organic conductors

Aizawa H., Kuroki K., Yoshino H., Murata K.

Meeting abstracts of the Physical Society of Japan, 64(2) 747-747, Aug 18, 2009
27pYC-8 Pairing state competition in magnetic field on quasi-one-dimensional organic conductors (TMTSF)₂X

Aizawa H., Kuroki K., Tanaka Y.

Meeting abstracts of the Physical Society of Japan, 64(2) 776-776, Aug 18, 2009
26aYC-9 τ型有機導体の熱電性能指数Z II(κ型,輸送測定,中性-イオン性転移,領域7,分子性固体・有機導体)

吉野治一, 石田啓一, 相澤啓仁, 黒木和彦, Anyfantis G. C, Papavassiliou G. C, 村田惠三

一般社団法人日本物理学会日本物理学会講演概要集, 64 746-746, 2009
22aQE-13 Effect of triplet pairing component mixing on FFLO state of spin fluctuations mediated superconductivity

Aizawa H., Kuroki K., Yokoyama T., Tanaka Y.

Meeting abstracts of the Physical Society of Japan, 63(2) 542-542, Aug 25, 2008
24aWF-9 Strong magnetic field enhancement of spin triplet pairing arising from coexisting 2k_F spin and 2k_F charge fluctuations

Aizawa Hirohito, Kuroki Kazuhiko, Tanaka Yukio

Meeting abstracts of the Physical Society of Japan, 62(2) 647-647, Aug 21, 2007
19pRJ-14 The effect of magnetic field on the competition between singlet and triplet pairing in organic conductor (TMTSF)₂X

Aizawa Hirohito, Kuroki Kazuhiko, Tanaka Yukio

Meeting abstracts of the Physical Society of Japan, 62(1) 837-837, Feb 28, 2007
23pYF-16 The effect of dimerization on the density-wave and superconductivity phase in organic conductor (TMTSF)₂X

Aizawa Hirohito, Kuroki Kazuhiko, Tanaka Yukio

Meeting abstracts of the Physical Society of Japan, 61(2) 674-674, Aug 18, 2006
27aPS-102 The Effect of Interchain Interaction and Magnetic Anisotropy on the Superconducting Phase of (TMTSF)₂X

Aizawa Hirohito, Kuroki Kazuhiko, Tanaka Yukio

Meeting abstracts of the Physical Society of Japan, 61(1) 544-544, Mar 4, 2006

Books and Other Publications

物理学実験第2版 [第2版第1刷] (神奈川大学工学部物理学教室編)

共編, 相澤啓仁, 客野遥, 清水雄輝, 守屋元道, 山内大介, 山崎勝也 (Role: Editor)

学術図書出版社, Mar, 2019 (ISBN: 9784780600087)
理工系の物理学入門 (スタンダード版) [第1版第1刷]

大成逸夫, 田村忠久, 渡邊靖志, 相澤啓仁, 宇佐見義之, 有働慈治, 客野遥, 佐々木志剛, 清水雄輝, 多米田裕一郎, 西野晃徳, 松田和之, 山内大介 (Role: Editor)

裳華房, Nov, 2017 (ISBN: 9784785322595)

Presentations

教育訓練における裸眼立体視用ビュアーによる3D動画の活用

領木邦浩, 宮里裕二, 相澤啓仁, 川田吉弘, 寺田憲司, 渡邊一弘

第30回職業能力開発研究発表講演会, Nov 26, 2022
擬二次元τ型有機導体におけるオフサイト相互作用により誘起されるフェリ磁性

相澤啓仁

日本物理学会 2022年秋季大会, Sep 12, 2022
Effect of Off-site Interaction on Magnetism in a Quasi-Two-Dimensional τ-Type Organic Conductor

H. Aizawa

29th International Conference on Low Temperature Physics (LT29), Aug 19, 2022
Effect of Carrier Doping on the Pairing Competition in Strongly Correlated Organic Conductors κ-(BEDT-TTF)₂X

H. Aizawa, H. Seo

International Conference on Strongly Correlated Electron Systems 2019 (SCES2019), Sep 26, 2019
Pairing Competition in Carrier Doped Organic Conductors κ-(BEDT-TTF)₂X

H. Aizawa, H. Seo

The 13th International Symposium on Crystalline Organic Metals, Superconductors and Magnets (ISCOM2019), Sep 24, 2019
κ型分子性導体における超伝導状態へのキャリアドーピングの影響

相澤啓仁, 妹尾仁嗣

日本物理学会 2019年秋季大会, Sep 11, 2019
Anisotropic superconductivity in organic conductor λ-(BETS)₂GaCl₄

H. Aizawa, T. Koretsune, K. Kuroki, H. Seo

12th International Conference on Spectroscopies in Novel Superconductors (SNS 2019), Jun 20, 2019
Effect of carrier doping on the pairing competition in organicconductors κ-(BEDT-TTF)₂X

H. Aizawa, H. Seo

12th International Conference on Spectroscopies in Novel Superconductors (SNS 2019), Jun 17, 2019
Electronic Band Structure and Anisotropy of Superconducting Gap in Molecular Conductor λ-(BETS)₂GaCl₄

H. Aizawa, T. Koretsune, K. Kuroki, H. Seo

4th International Conference on Functional Materials Science 2018 (ICFMS 2018), Nov 14, 2018 Invited
有機導体λ-(BETS)₂GaCl₄のスピン揺らぎ媒介による超伝導ギャップの異方性Ⅱ

相澤啓仁, 是常隆, 黒木和彦, 妹尾仁嗣

日本物理学会 2018年秋季大会, Sep 12, 2018
Electronic Band Structure and Superconducting Gap Symmetry in Organic Conductor λ-(BETS)₂GaCl₄

H. Aizawa, T. Koretsune, K. Kuroki, H. Seo

12th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S-2018), Aug 20, 2018
Anisotropy of the Superconducting Gap in a Model for λ-(BETS)₂GaCl₄ Derived from First-Principles Calculation

H. Aizawa, T. Koretsune, K. Kuroki, H. Seo

12th International Symposium on Crystalline Organic Metals, Superconductors and Magnets (ISCOM2017), Sep 26, 2017
Two-particle self-consistent analysis for the magnetism and superconductivity in the honeycomb lattice Hubbard model

H. Aizawa

28th international conference on Low Temperature Physics (LT28), Aug 14, 2017
ハニカム格子ハバード模型における磁気相図と超伝導に関する二体自己無撞着法による解析

相澤啓仁

日本物理学会第72回年次大会, Mar 20, 2017
有機導体λ-(BETS)₂GaCl₄のスピン揺らぎ媒介による超伝導ギャップの異方性

相澤啓仁, 是常隆, 黒木和彦, 妹尾仁嗣

日本物理学会 2017年秋季大会, Mar 20, 2017
ハニカム格子ハバード模型におけるキャリアドープが磁性と超伝導に与える影響

相澤啓仁

第10回物性科学領域横断研究会 -凝縮系科学の最前線-, Dec 9, 2016
ハニカム格子ハバード模型におけるキャリアドープが引き起こす磁性と超伝導の二体自己無撞着法による解析

相澤啓仁

京都大学基礎物理学研究所研究会「超伝導研究の最先端: 多自由度、非平衡、電子相関、トポロジー」, Oct 11, 2016
有機導体(TMTSF)₂ClO₄の超伝導ギャップに対するアニオン秩序化ポテンシャルの影響

相澤啓仁, 黒木和彦

日本物理学会 2016年秋季大会, Sep 15, 2016
擬一次元有機導体(TMTSF)₂ClO₄における超伝導ギャップとアニオン秩序化ポテンシャルの関係

相澤啓仁, 黒木和彦

平成28年度物性研究所短期研究会「パイ電子系物性科学の最前線」, Aug 9, 2016
キャリアドープされたハニカム格子ハバード模型における磁性と超伝導の二体自己無撞着法による解析

相澤啓仁

日本物理学会第71回年次大会, Mar 21, 2016

Teaching Experience

Apr, 2022 - Present

Advanced Applied Physics (Polytechnic University)
Apr, 2021 - Present

Graduation Research (Polytechnic University)
Apr, 2021 - Present

Practice of Integrated System III (Polytechnic University)
Apr, 2021 - Present

Practice of Integrated System II (Polytechnic University)
Apr, 2021 - Present

Practice of Integrated System I (Polytechnic University)
Apr, 2021 - Present

Pre-Seminar on Graduation Thesis (Polytechnic University)
Apr, 2021 - Present

Physical and Chemical Experiment (Polytechnic University)
Apr, 2021 - Present

PhysicsⅡ (Polytechnic University)
Apr, 2021 - Present

PhysicsⅠ (Polytechnic University)
Apr, 2019 - Mar, 2020

Laboratory on Coordinated Engineering A (Kanagawa University)
Apr, 2017 - Mar, 2020

Information Technology Literacy (Kanagawa University)
Apr, 2014 - Mar, 2020

Laboratory Physics A (Kanagawa University)
Apr, 2013 - Mar, 2020

Physics B (Kanagawa University)
Apr, 2013 - Mar, 2020

Physics A (Kanagawa University)
Apr, 2018 - Mar, 2019

Laboratory on Coordinated Engineering C (Kanagawa University)
Apr, 2010 - Mar, 2015

Laboratory Physics I (Kanagawa University)

Professional Memberships

Jun, 2016 - Present

日本物理教育学会
Feb, 2006 - Present

日本物理学会

Research Projects

分子配列に起因するダイマー内自由度が量子現象に及ぼす影響

神奈川大学 2019年度科学研究費申請奨励研究費, Jun, 2019 - Mar, 2020
Electronic Band Structure and Superconducting Gap Symmetry in Organic Conductor λ-(BETS)₂GaCl₄

Apr, 2018 - Mar, 2019
キャリアドープされたハニカム格子ハバード模型の磁性と新奇超伝導

若手研究(B), 独立行政法人日本学術振興会平成28年度科学研究費助成事業-科研費- 若手研究(B), Apr, 2016 - Mar, 2019
λ型有機導体の第一原理計算による一電子有効模型の導出と超伝導状態の解析

公益財団法人横浜学術教育振興財団平成29年度研究助成, Apr, 2017 - Mar, 2018
低次元有機導体の超伝導状態とバンド構造の関係 -第一原理計算による有効模型を用いた解析-

特殊法人日本私立学校振興・共済事業団平成28年度学術研究振興資金(若手研究者奨励金), Apr, 2016 - Mar, 2017
擬一次元有機導体に対する有効模型の導出と超伝導の解析

公益財団法人日本科学協会平成28年度笹川科学研究助成, Apr, 2016 - Feb, 2017
An effective model of organic conductor (TMTSF)₂ClO₄ derived from maximally localized Wannier orbitals and its analysis of the superconducting state

Apr, 2015 - Mar, 2016
擬一次元有機導体における新奇超伝導の微視的理論

神奈川大学平成26年度科学研究費申請奨励研究費, Jun, 2014 - Mar, 2015
第一原理バンド計算を用いた有機超伝導体の有効模型構築と物性解析

公益財団法人横浜学術教育振興財団平成26年度研究助成, Apr, 2014 - Mar, 2015
カーボンナノチューブ内部ナノ空洞を利用した極微小誘電体の創生とその物性解明

神奈川大学平成24年度工学研究所共同研究助成, Apr, 2012 - Mar, 2014
Control of intermolecular interaction for novel electronic functionalities

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Japan Society for the Promotion of Science, Nov, 2008 - Mar, 2013

MORI Hatsumi, YAMADA Jyun-ichi, NISHIKAWA Hiroyuki, KUROKI Kazuhiko, TAKAHASHI Kazuyuki, UEDA Akira, ISONO Takayuki, AKUTSU Hiroki, AIZAWA Hirohito
分子自由度が拓く新物質科学

Nov, 2008 - Mar, 2013

Social Activities

「有機固体若手の会冬の学校 2010」世話人

Logistic support

Dec, 2010
「有機固体若手の会冬の学校 2009」世話人

Logistic support

Dec, 2009

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Books and Other Publications

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