研究者情報
学歴・学位
所属学会
研究者活動情報
研究分野
研究キーワード
学会等での委員歴
受賞
著書
論文
MISC（短報、要旨、解説や書評など）
講演・口頭発表等
Works（芸術活動、作品、コンピュータソフト、データベース、教材、その他）
社会貢献活動
メディア報道
学術貢献活動
競争的資金等の研究課題
競争的研究費以外の研究課題
特許等
その他
基本情報
氏名
藤井 宏次
氏名（カナ）
フジイ ヒロツグ
氏名（英語）
Fujii Hirotsugu
所属
大学 国際政治経済学部 国際経営学科
職名
准教授
researchmap研究者コード
researchmap機関
学歴・学位
1993/04 ～ 1996/03 京都大学大学院 理学研究科 物理学第二専攻 博士（理学）
1991/04 ～ 1993/03 京都大学大学院 理学研究科 物理学第二専攻 修士（理学）
1989/04 ～ 1991/03 東北大学 理学部 物理学第二学科 理学士
所属学会
1993/03 ～ 日本物理学会
研究者活動情報
研究分野
自然科学一般 素粒子、原子核、宇宙線、宇宙物理にする理論
自然科学一般 統計科学
研究キーワード
学会等での委員歴
2005/05 ～ 2006/04 日本物理学会 領域運営委員
受賞
著書
論文
Critical behavior of the Schwinger model via gauge-invariant variational uniform matrix product states
Hirotsugu Fujii, Kohei Fujikura, Yoshio Kikukawa, Takuya Okuda, Juan W. Pedersen 共著 Physical Review D 2025/05/06
Radiative hadronization: Photon emission at hadronization from quark-gluon plasma 共著 Physical Review C 2022/09
Comparison of improved TMD and CGC frameworks in forward quark dijet production 共著 Journal of High-Energy Physics 2020/12
Dynamical evolution of critical fluctuation and its observation in heavy ion collisions 共著 Physical Review C 2017/06
Leptons from heavy-quark semileptonic decay in pA collisions within the CGC framework 共著 Nuclear Physics A 2016/07
全て表示する（39件）
Heavy-flavour and quarkonium production in the LHC era: from proton-proton to heavy-ion collisions 共著 European Physical Journal C 2016
Monte Carlo study of Lefschetz thimble structure in one-dimensional Thirring model at finite density 共著 Journal of High-Energy Physics 2015/12
Lefschetz thimble structure in one-dimensional lattice Thirring model at finite density 共著 Journal of High-Energy Physics 2015/11
Microscopic identification of dissipative modes in relativistic field theories 共著 Progress of Theoretical and Experimental Physics, 2015/05
Forward Hadron Productions in high energy pp collisions from a Monte-Carlo generator for Color Glass Condensate 共著 Physical Review D 2015/01
Finite pulse effects on e+e- pair creation from strong electric fields 共著 Physical Review D 2014/07
Heavy quark pair production in high energy pA collisions: Open heavy flavors 共著 Nuclear Physics A 2013/12
Hybrid Monte Carlo on Lefschetz Thimbles -- A study of the residual sign problem 共著 Journal of High Energy Physics 2013/10
Heavy quark pair production in high energy pA collisions: Quarkonium 共著 Nuclear Physics A 2013/10
Magnetic screening in high-energy heavy-ion collisions 共著 Physical Review D 2013/08
CGC predictions for p+Pb collisions at the LHC 共著 Nuclear Physics A 2013/01
Critical Exponents from Two-particle Irreducible 1/N Expansion 共著 Physical Review D 2012/03
Random matrix model at nonzero chemical potentials with anomaly effects 共著 Physical Review D 2011/01
A chiral random matrix model with 2+1 flavors at finite temperature and density 共著 Physical Review D 2010/02
Instabilities in Non-Expanding Glasma 共著 Nuclear Physics A 2009/09
U(1)_A breaking and phase transition in chiral random matrix model 共著 2009/08
Initial Energy Density and Gluon Distribution from the Glasma in Heavy-Ion Collisions 共著 Physical Review C 2009/02
Expanding color flux tubes and instabilities 共著 Nuclear Physics A 2008/08
Quark pair production in high energy pA collisions: General features 共著 Nuclear Physics A 2006/12
Quantitative Study of the Violation of kT-Factorization in Hadroproduction of Quarks at Collider Energies 共著 Physical Review Letters 2005/10
Effective Potential Study of Chiral Phase Transition in the QCD-like Theory 共著 Progress of Theoretical Physics 2005/09
Sigma and hydrodynamic modes along the critical line 共著 2004
Scalar density fluctuation at the critical end point in the NJL model 単著 Physical Review D 2003/05
J/psi suppression in heavy ion collisions by quark momentum diffusion 単著 Physical Review C 2003/03
Superpenetration of a high energy Q-Qbar bound state through random color fields 共著 Physics Letters B 2002/10
Penetration of a high energy Q- Qbar bound state through SU(N) color background 単著 Nuclear Physics A 2002/10
Long-Range Forces of QCD 共著 Physical Review D 1999/12
K+(K0) Condensation in Highly Dense Matter with the Relativistic Mean-Field Theory 共著 Progress of Theoretical Physics, 1999/10
Dilepton Production in Meson Condensed Matter 共著 Progress of Theoretical Physics, 1997
Equation of State with Kaon Condensates and Neutron Stars 共著 Nuclear Physics A 1996/02
Quark condensate in a medium and pion-nucleon sigma term based on a QCD-like theory 共著 Physics Letters B 1995/08
Kaon Condensation and Equation of State in the Relativistic Mean-Field Theory 共著 Physics. Letters B 1994/05
Effects of weak interaction on kaon condensation and cooling of neutron stars 共著 Nuclear Physics A 1994
Effects of Symmetry Energy on the Direct URCA Process in the Kaon Condensed Phase 共著 Physical Review C 1994
表示を折りたたむ
MISC（短報、要旨、解説や書評など）
講演・口頭発表等
Non-equilibrium evolution of slow-mode correlation and spectral functions near the QCD critical point Hirotsugu Fujii 10th Asian Triangle Heavy-Ion Conference - ATHIC 2025 2025/01/16
J/psi polarization in nuclear collisions from CGC perspective ExHIC-p workshop on polarization phenomena in nuclear collisions 2024/03/15
Forward quark dijet production and parton saturation 2nd int'l workshop on Forward Physics and Forward Calorimeter Upgrade in ALICE 2023/03/13
Forward quark dijet production in pA collisions in ITMD and CGC frameworks 9th Asian Triangle Heavy-Ion Conference (ATHIC 2023) 2023
Photon production in high-energy heavy-ion collisions: thermal photons and radiative recombination Quark Matter 2022 2022/04/07
全て表示する（36件）
Schwinger-Keldysh formalism for Lattice Gauge Theories PoS LATTICE2019, 190 2020
Complex Langevin applied to Chiral Random Matrix Model in T-mu plane 17th conf. on QCD in Extreme Conditions 2019/06/24
Small-x saturation in forward hadronic interactions XX Int'l Symp on Very High Energy Cosmic Ray Interactions (20th ISVHECRI) 2018/05/24
Re-weighting approach in CLE - diagnostic analysis: Thirring model ECT* workshop on Simulating QCD on Lefschetz thimbles, ECT* 2017/06/28
Photon emission at hadronization Quark Matter 2017 2017/02/07
Complex Langevin approach to fermionic toy models at finite mu Int’l workshop on the Sign Problem in QCD and Beyond (SIGN 2017) 2017
Application of the Lefschetz thimble formulation to the (0+1) dim. Thirring model at finite density 33rd int’l symp on Lattice Field Theory (LATTICE 2015) 2015
Forward particle production in proton-nucleus collisions at the LHC International Conferenece on Heavy Ion Collisions in the LHC Era 2012
Color Glass Condensate Approach to p+Pb Collisions at the LHC Int’l conf on multiparticle dynamics (ISMD2012) 2012
Forward particle productions at RHIC and the LHC from CGC within local rcBK evolution Quark Matter 2011 2011
Forward hadron productions at collider energies in CGC framework Int’l conf on multiparticle dynamics (ISMD 2011) 2011
Phase diagram of a chiral random matrix model with 2+1 flavors XXVII Int'l Symposium on Lattice Field Theory 2009
Chiral phase transition in a random matrix model with three flavors XXVII Int'l Symposium on Lattice Field Theory 2009
Soft dynamics near the QCD critical point 20th Int'l Conf on Ultrarelativistic Nucleus Nucleus Collisions (Quark Matter 2008) 2008
Dynamic aspects of the QCD critical point Hot Quarks 2008, Workshop for young scientists on the physics of ultrarelativistic nucleus-nucleus collisions 2008
Heavy quarks from the Color Glass Condensate in pA collisions Int'l Nuclear Physics Conf. (INPC2007) 2007
Heavy flavor production in pA collisions 19th int'l conf on ultra-relativistic nucleus nucleus collisions (Quark Matter 2006) 2006
Heavy flavor production from the Color Glass Condensate in pA collisions Yukawa Int'l Seminar (YKIS) 2006
kT factorization and quark production from the color glass condensate 35th International Symposium on Multiparticle Dynamics (ISMD2005) 2005
Violation of kT factorization in quark production from the color glass condensate 18th int'l conf on ultra-relativistic nucleus nucleus collisions (Quark Matter 2005) 2005
Quarkonium production and attenuation in high energy p-A collisions Hard Probes 2004 2004
Soft mode at the critical end point in the chiral effective models Workshop on Finite Density QCD 2003
Quarkonium in Heavy Ion Collisions Tokyo-Adelaide workshop on Quarks, astrophysics and space physics 2003
Mode softening near the critical point within effective approaches to QCD KIAS-APCTP symp. in Astro-Hadron Physics, Compact Stars: Quest For New States of Dense Matter 2003
Interaction of quarkonium at low energies Quark Matter 1999 1999
Long-Range Interactions of Small Color Dipoles 3rd "Continuous Advances in QCD" Workshop 1998
Second-Order Effects on Kaon Condensation in the Relativistic Mean-Field Theory Int’l Nucl. Phys. Conf. (INPC1995) 1995
Kaon in Medium and Dilepton Production from Strange Hadronic Matter Joint Japan-Australia Workshop on "Quarks, Hadrons and Nuclei" 1995
In-Medium Kaon Dispersion Relation and Dilepton Production The 23rd INS symposium, "Nuclear and Particle Physics with Meson Beams in the 1GeV/c region" 1995
In-Medium Kaon Dispersion Relation and Dilepton Production YITP Workshop on "Theoretical Problems at the Interface of Particle and Nuclear Physics" 1995
Chiral Symmetry and Kaon Condensation 4th Int’l Symp. on weak and electromagnetic interactions in nuclei (WEIN-95) 1995
表示を折りたたむ
Works（芸術活動、作品、コンピュータソフト、データベース、教材、その他）
社会貢献活動
2016/07 ～ 2025/03 核物理懇談会 原子核研究 原子核談話会機関紙「原子核研究」編集委員
2005/05 ～ 2006/04 日本物理学会 理論核物理領域
メディア報道
学術貢献活動
競争的資金等の研究課題
競争的研究費以外の研究課題
特許等
その他
