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奥山 和美  オクヤマ カズミ

教員組織学術研究院(理学系)電話番号0263-37-2461
教育組織理学部 理学科 物理学コースFAX番号
職名教授メールアドレスkazumi@azusa.shinshu-u.ac.jp
住所〒390-8621 長野県松本市旭3-1-1ホームページURLhttps://researchmap.jp/read0149677
http://azusa.shinshu-u.ac.jp/~kazumi

プロフィール

兼担研究科・学部
大学院工学系研究科
研究分野
素粒子・原子核・宇宙線・宇宙物理
キーワード:超弦理論 , 場の理論
現在の研究課題
AdS/CFT対応

行列模型と量子重力

M理論

所属学会
所属学会
日本物理学会
学歴
出身大学院
1999 , 東京大学 , 理学系研究科 , 物理学専攻

出身学校・専攻等(大学院を除く)
1994 , 東京大学 , 理学部 , 物理学科

取得学位
理学博士 , 東京大学
受賞学術賞
2008 , 素粒子メダル奨励賞
研究職歴等
研究職歴
2021- , 信州大学 教授
2018-2020 , 東京大学 客員准教授
2012-2021 , 信州大学 准教授
2007-2012 , 信州大学 助教
2006-2007 , 信州大学 助手

留学歴
2010-2010 , ニールスボーア研究所(デンマーク)
2004-2006 , ブリティッシュコロンビア大学(カナダ)
2001-2004 , シカゴ大学(米国)

研究活動業績

研究業績(著書・
発表論文等)
論文
Negativity and its capacity in JT gravity
Journal of High Energy Physics,2024(02):183 2024(Feb. 23)
Author:Kazumi Okuyama, Takeshi Tachibana


Matter correlators through a wormhole in double-scaled SYK
Journal of High Energy Physics,2024(02):147 2024(Feb. 21)
Author:Kazumi Okuyama


Doubled Hilbert space in double-scaled SYK
arXiv:2401.07403 2024(Jan. 17)
Author:Kazumi Okuyama


Solvable limit of ETH matrix model for double-scaled SYK
arXiv:2311.02846 2023(Nov. 07)
Author:Kazumi Okuyama, Takao Suyama


Discrete analogue of the Weil-Petersson volume in double scaled SYK
Journal of High Energy Physics,2023(09):133 2023(Sep. 20)
Author:Kazumi Okuyama


End of the world brane in double scaled SYK
Journal of High Energy Physics,2023(08):053 2023(Aug. 11)
Author:Kazumi Okuyama


Late time behavior of n-point spectral form factors in Airy and JT gravities
Journal of High Energy Physics,2023(07):047 2023(Jul. 06)
Author:Takanori Anegawa, Norihiro Iizuka, Kazumi Okuyama, Kazuhiro Sakai


High temperature expansion of double scaled SYK
Physics Letters B,843:138036 2023(Jun. 20)
Author:Kazumi Okuyama


Correlators of double scaled SYK at one-loop
Journal of High Energy Physics,2023(05):117 2023(May 15)
Author:Kazumi Okuyama, Kenta Suzuki


Spectral form factor in the τ-scaling limit
Journal of High Energy Physics,2023(04):123 2023(Apr. 26)
Author:Kazumi Okuyama, Kazuhiro Sakai


Hartle-Hawking wavefunction in double scaled SYK
Journal of High Energy Physics,2023(03):152 2023(Mar. 21)
Author:Kazumi Okuyama


Large N expansion of an integrated correlator in N=4 SYM
Journal of High Energy Physics,2022(11):086 2022(Nov. 15)
Author:Yasuyuki Hatsuda, Kazumi Okuyama


't Hooft expansion of SO(N) and Sp(N) N=4 SYM revisited
Journal of High Energy Physics,2022(09):064 2022(Sep. 08)
Author:Kazumi Okuyama


Page curve from dynamical branes in JT gravity
Journal of High Energy Physics,2022(02):087 2022(Feb. 11)
Author:Kazumi Okuyama, Kazuhiro Sakai


A proof of loop equations in 2d topological gravity
Journal of High Energy Physics,2021(10):107 2021(Oct. 14)
Author:Kazumi Okuyama, Kazuhiro Sakai


FZZT branes in JT gravity and topological gravity
Journal of High Energy Physics,2021(09):191 2021(Sep. 28)
Author:Kazumi Okuyama, Kazuhiro Sakai


Capacity of entanglement in random pure state
Physics Letters B,820:136600 2021(Aug. 24)
Author:Kazumi Okuyama


't Hooft expansion of multi-boundary correlators in 2D topological gravity
Progress of Theoretical and Experimental Physics,2021(8):083B03 2021(Jul. 14)
Author:Kazumi Okuyama, Kazuhiro Sakai


Genus expansion of open free energy in 2d topological gravity
Journal of High Energy Physics,2021(03):217 2021(Mar. 23)
Author:Kazumi Okuyama, Kazuhiro Sakai


Quenched free energy from spacetime D-branes
Journal of High Energy Physics,2021(03):073 2021(Mar. 05)
Author:Kazumi Okuyama


Quenched free energy in random matrix model
Journal of High Energy Physics,2020(12):080 2020(Dec. 11)
Author:Kazumi Okuyama


JT supergravity and Brezin-Gross-Witten tau-function
Journal of High Energy Physics,2020(10):160 2020(Oct. 26)
Author:Kazumi Okuyama, Kazuhiro Sakai


Multi-boundary correlators in JT gravity
Journal of High Energy Physics,2020(08):126 2020(Aug. 25)
Author:Kazumi Okuyama, Kazuhiro Sakai


Replica symmetry breaking in random matrix model: a toy model of wormhole networks
Physics Letters B,803:135280 2020(Feb. 07)
Author:Kazumi Okuyama


JT gravity, KdV equations and macroscopic loop operators
Journal of High Energy Physics,2020(01):156 2020(Jan. 24)
Author:Kazumi Okuyama, Kazuhiro Sakai


Holomorphic anomaly of 2d Yang-Mills theory on a torus revisited
Journal of High Energy Physics,2019(08):025 2019(Aug. 06)
Author:Kazumi Okuyama, Kazuhiro Sakai


Eigenvalue instantons in the spectral form factor of random matrix model
Journal of High Energy Physics,2019(03):147 2019(Mar. 25)
Author:Kazumi Okuyama


Spectral form factor and semi-circle law in the time direction
Journal of High Energy Physics,2019(02):161 2019(Feb. 25)
Author:Kazumi Okuyama


Connected correlator of 1/2 BPS Wilson loops in N=4 SYM
Journal of High Energy Physics,2018(10):037 2018(Oct. 05)
Author:Kazumi Okuyama


Resurgence analysis of 2d Yang-Mills theory on a torus
Journal of High Energy Physics,2018(08):065 2018(Aug. 13)
Author:Kazumi Okuyama, Kazuhiro Sakai


Phase diagram of q-deformed Yang-Mills theory on S^2 at non-zero theta-angle
Journal of High Energy Physics,2018(04):059 2018(Apr. 11)
Author:Kazumi Okuyama


Phase transition of anti-symmetric Wilson loops in N=4 SYM
Journal of High Energy Physics,2017(12):125 2017(Dec. 21)
Author:Kazumi Okuyama


Wilson loops in unitary matrix models at finite N
Journal of High Energy Physics,2017(07):030 2017(Jul. 07)
Author:Kazumi Okuyama


Wilson loops in 3d N= 4 SQCD from Fermi gas
Journal of High Energy Physics,2016(11):156 2016(Nov. 25)
Author:Kazumi Okuyama


α′-expansion of antisymmetric Wilson loops in N=4 SYM from Fermi gas
Progress of Theoretical and Experimental Physics,2016(11):113B05 2016(Nov. 16)
Author:Masaatsu Horikoshi, Kazumi Okuyama


Exact results for ABJ Wilson loops and open-closed duality
Journal of High Energy Physics,2016(10):132 2016(Oct. 24)
Author:Yasuyuki Hatsuda, Kazumi Okuyama


Instanton corrections of 1/6 BPS Wilson loops in ABJM theory
Journal of High Energy Physics,2016(09):125 2016(Sep. 20)
Author:Kazumi Okuyama


ABJ theory in the higher spin limit
Journal of High Energy Physics,08:174 2016(Aug. 31)
Author:Shinji Hirano, Masazumi Honda, Kazumi Okuyama, Masaki Shigemori


Numerical analysis of Coleman–de Luccia tunneling
International Journal of Modern Physics A,31(24):1650131 2016(Aug. 30)
Author:Yuhei Goto, Kazumi Okuyama


TBA-like integral equations from quantized mirror curves
Journal of High Energy Physics,2016(03):101 2016(Mar. 15)
Author:Kazumi Okuyama, Szabolcs Zakany


Orientifolding of the ABJ Fermi gas
Journal of High Energy Physics,2016(03):008 2016(Mar. 02)
Author:Kazumi Okuyama


Probing non-perturbative effects in M-theory on orientifolds
Journal of High Energy Physics,2016(01):054 2016(Jan. 11)
Author:Kazumi Okuyama


Exact instanton expansion of the ABJM partition function
Progress of Theoretical and Experimental Physics,2015(11):104 2015(Oct. 28)
Author:Yasuyuki Hatsuda, Sanefumi Moriyama, Kazumi Okuyama


Resummations and Non-Perturbative Corrections
Journal of High Energy Physics,1509:051 2015(Sep. 09)
Author:Yasuyuki Hatsuda, Kazumi Okuyama


Large N non-perturbative effects in N=4 superconformal Chern-Simons theories
Journal of High Energy Physics,1509:046 2015(Sep. 09)
Author:Yasuyuki Hatsuda, Masazumi Honda, Kazumi Okuyama


Probing non-perturbative effects in M-theory
Journal of High Energy Physics,1410:158 2014(Oct. 27)
Author:Yasuyuki Hatsuda, Kazumi Okuyama


Non-perturbative effects and the refined topological string
Journal of High Energy Physics,2014(9):168 2014(Sep. 29)
Author:Yasuyuki Hatsuda, Marcos Marino, Sanefumi Moriyama, Kazumi Okuyama


Exact results on ABJ theory and the refined topological string
Journal of High Energy Physics,2014(8):148 2014(Aug. 26)
Author:Masazumi Honda, Kazumi Okuyama


ABJM Wilson Loops in Arbitrary Representations
Journal of High Energy Physics,2013(10):168 2013(Oct. 24)
Author:Yasuyuki Hatsuda, Masazumi Honda, Sanefumi Moriyama, Kazumi Okuyama


Instanton bound states in ABJM theory
Journal of High Energy Physics,2013(5):054 2013(May 13)
Author:Yasuyuki Hatsuda, Sanefumi Moriyama, Kazumi Okuyama


Instanton effects in ABJM theory from Fermi gas approach
Journal of High Energy Physics,2013(1):158 2013(Jan. 24)
Author:Yasuyuki Hatsuda, Sanefumi Moriyama, Kazumi Okuyama


Exact results on the ABJM Fermi gas
Journal of High Energy Physics,2012(10):020 2012(Oct. 02)
Author:Yasuyuki Hatsuda, Sanefumi Moriyama, Kazumi Okuyama


A Note on the Partition Function of ABJM Theory on S3
Progress of Theoretical Physics,127(2):229-242 2012
Author:Kazumi Okuyama


Gauge-Higgs unification in spontaneously created fuzzy extra dimensions
Journal of High Energy Physics,2011(11):006 2011(Nov.)
Author:Kazuyuki Furuuchi, Takeo Inami, Kazumi Okuyama


D-branes Wrapped on Fuzzy del Pezzo Surfaces
Journal of High Energy Physics,1101:043 2011
Author:Kazuyuki Furuuchi, Kazumi Okuyama


Global AdS Picture of 1/2 BPS Wilson Loops
Journal of High Energy Physics,1001:096 2010
Author:Kazumi Okuyama


q-Deformed Oscillators and D-branes on Conifold
Physics Letters B,673:232-236 2009
Author:Kazumi Okuyama


Linear Sigma Models for the R^8/Z_k Orbifold
Physics Letters B,668:153-158 2008
Author:Kazumi Okuyama


N=4 SYM on K3 and the AdS(3)/CFT(2) Correspondence
Journal of High Energy Physics,0802:036 2008
Author:Kazumi Okuyama


Instanton Solution in Tachyon Cosmology
Physics Letters B,658:241-243 2008
Author:Kazumi Okuyama


D-Brane Amplitudes in Topological String on Conifold
Physics Letters B,645:275-280 2007
Author:KazumiOkuyama


t Hooft Expansion of 1/2 BPS Wilson Loop
JournalofHigh Energy Physics,0609:007 2006
Author:Kazumi Okuyama


Wilson Loops in N=4 SYM and Fermion Droplets
Journal of High Energy Physics,0606:057 2006
Author:Kazumi Okuyama, Gordon W. Semenoff


Hairpin Branes and D-Branes Behind the Horizon
Journal of High Energy Physics,0603:071 2006
Author:Kazumi Okuyama, Moshe Rozali


1/2 BPS Correlator and Free Fermion
Journal of High Energy Physics,0601:021 2006
Author:Kazumi Okuyama


D1-D5 on ALE Space
Journal of High Energy Physics,0512:042 2005
Author:Kazumi Okuyama


Linear Sigma Models of H and KK Monopoles
Journal of High Energy Physics,0508:089 2005
Author:Kazumi Okuyama


Annulus Amplitudes in the Minimal Superstring
Journal of High Energy Physics,0504:002 2005
Author:Kazumi Okuyama


Scattered Results in 2D String Theory
Journal of High Energy Physics,0410:065 2004
Author:Emil Martinec, Kazumi Okuyama


Annulus Amplitudes and ZZ Branes in Minimal String Theory
Journal of High Energy Physics,0408:026 2004
Author:David Kutasov, Kazumi Okuyama, Jongwon Park, Nathan Seiberg, David Shih


Three-Point Functions in N=4 SYM Theory at One-Loop
Journal of High Energy Physics,0408:055 2004
Author:Kazumi Okuyama, Li-Sheng Tseng


Comments on Half S-Branes
Journal of High Energy Physics,0309:053 2003
Author:Kazumi Okuyama


Wess-Zumino Term in Tachyon Effective Action
Journal of High Energy Physics,0305:005 2003
Author:Kazumi Okuyama


D-Branes on the Null-Brane
Journal of High Energy Physics,0302:043 2003
Author:Kazumi Okuyama


N=4 SYMon R times S^3 and PP-Wave
Journal of High Energy Physics,0211:043 2002
Author:Kazumi Okuyama


PP-Waves and Holography
Physical Review D,66:46004 2002
Author:Robert G. Leigh, Kazumi Okuyama, Moshe Rozali


Ratio of Tensions from Vacuum String Field Theory
Journal of High Energy Physics,0203:050 2002
Author:Kazumi Okuyama


Ghost Kinetic Operator of Vacuum String Field Theory
Journal of High Energy Physics,0201:027 2002
Author:Kazumi Okuyama


Siegel Gauge in Vacuum String Field Theory
Journal of High Energy Physics,0201:043 2002
Author:Kazumi Okuyama


Comma Vertex and String Field Algebra
Journal of High EnergyPhysics,0109:035 2001
Author:Kazuyuki Furuuchi, Kazumi Okuyama


Open String Fields As Matrices
Journal of High Energy Physics,0106:061 2001
Author:Teruhiko Kawano, Kazumi Okuyama


Open string fields as matrices
AIP Conf. Proc.,607:202-208 2001
Author:Kazumi Okuyama


Comments on Open Wilson Lines and Generalized Star Products
Physics Letters B,506:377-384 2001
Author:Kazumi Okuyama


Noncommutative Tachyon from Background Independent Open String Field Theory
Physics Letters B,499:167-173 2001
Author:Kazumi Okuyama


Boundary States in B-Field Background
PhysicsLetters B,499:305-314 2001
Author:Kazumi Okuyama


Free Field Appoach to StringTheoryon AdS_3
Nuclear Physics B,598:451-466 2001
Author:Kazuo Hosomichi,Kazumi Okuyama, Yuji Satoh


Path Integral Approach to String Theory on AdS_3
Nuclear Physics B,588:149-177 2000
Author:Nobuyuki Ishibashi, Kazumi Okuyama, Yuji Satoh


A Path Integral Representation of the Map between Commutative and Noncommutative Gauge Fields
Journal of High Energy Physics,0003:016 2000
Author:Kazumi Okuyama


Spinor Exchange in AdS_{d+1}
Nuclear Physics B,565:427-444 2000
Author:Teruhiko Kawano, Kazumi Okuyama


Fractional Strings in (p,q) 5-brane and Quiver Matrix String Theory
Journal of High Energy Physics,9808:002 1998
Author:Kazumi Okuyama, Yuji Sugawara


String Network and 1/4 BPS States in N=4 SU(n) Supersymmetric Yang-Mills Theory
Physics Letters B,432:338-342 1998
Author:Teruhiko Kawano, Kazumi Okuyama


Matrix Theory on Noncommutative Torus
Physics Letters B,433:29-34 1998
Author:Teruhiko Kawano, Kazumi Okuyama


BPS Condition of String Junction from M theory
Physics Letters B,426:294-296 1998
Author:Yutaka Matsuo, Kazumi Okuyama


SO(9,1) invariant matrix formulation of supermembrane
NuclearPhysics B,510:175-198 1998
Author:Kazuo Fujikawa, Kazumi Okuyama


BRST gauge fixing and the algebra of global supersymmetry
Nuclear Physics B,521:401-415 1998
Author:Kazuo Fujikawa, Kazumi Okuyama


On a Lorentz covariant matrix regularization of membrane theories
Physics Letters B,411:261-267 1997
Author:Kazuo Fujikawa, Kazumi Okuyama

研究費
科学研究費補助金(研究代表者)
2022 - 2024 , JT重力の行列模型から探る量子重力の非摂動効果 , 基盤研究(C)
2019 - 2022 , ゲージ理論の厳密な結果から探る量子的な時空の構造 , 基盤研究(C)
2016 - 2019 , M理論の非摂動効果とフェルミ気体 , 基盤研究(C)
2011 - 2014 , 超弦理論における量子的な時空の幾何学 , 若手研究(B)
2007 - 2010 , 超弦理論における時空の出現 , 若手研究(B)

科学研究費補助金(研究分担者)
2021 - 2025 , 量子情報を用いた量子宇宙の基礎理論 , 学術変革領域研究(A)