Shinshu University HOMEJAPANESEAccess / Campus Map

Shinshu University Researcher DirectoryShinshu University Researcher Directory

Search by Researcher / Research Field
Search by Category

Okuyama Kazumi

Academic OrganizationAcademic Assembly School of Science and Technology Institute of ScienceTEL+81-263-2461
Education and Research OrganizationFaculty of Science Department of ScienceFAX+81-263-2559
PositionAssociate ProfessorMail
Address3-1-1 Asahi Matsumoto, Nagano 390-8621Web site


Assigned Class
Graduate School, Division of Science and Technology
Research Field
Particle/Nuclear/Cosmic ray/Astro physics
Current Subject
Academic Background
Graduate School
University of Tokyo , 1999

University of Tokyo , 1994

University of Tokyo
Research Career
Research Career
2012- , Associate Professor, Shinshu University
2007-2012 , Assistant Professor, Shinshu University
2006-2007 , Assistant, Shinshu University

Overseas Education
2010-2010 , Niels Bohr Institute
2004-2006 , University of British Columbia
2001-2004 , University of Chicago


Books, Articles, etc.
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

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

Research Grants
Grants‐in‐aid for Scientific Research(Research Representative)
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)