Publication List
Preprint
A. Ito, T. Ikeda, K. Miuchi, J.Soda ``Probing GHz Gravitational waves with graviton-magnon resonance" arXiv:1903.04843
Journal Papers
A.Ito, A.Iyonaga, S.Kim, J. Soda,
``Dressed power-law inflation with a cuscuton",
arXiv:1902.08663, Phys.Rev.D99 (2019) 083502.
D. Yoshida, J. Soda,
``Quasinormal modes of p-forms in spherical black holes",
arXiv:1901.07723, Phys.Rev.D99 (2019) 044054.
M.Tsuneto, A.Ito, T. Noumi, J. Soda,
``Searching for bispectrum of stochastic gravitational waves with pulsar timing arrays",
arXiv:1812.10615, JCAP 1903 (2019) 032.
S.Kanno, J. Soda,
``Possible detection of nonclassical primordial gravitational waves with Hanbury Brown - Twiss interferometry",
arXiv:1810.07604, Phys.Rev.D99 (2019) .
N. Kitajima, J. Soda, Y. Urakawa
``Gravitational wave forest from string axiverse",
arXiv:1807.07037, JCAP1810 (2018) 008.
E.Masaki, J. Soda,
``Conversion of gravitons into dark photons in cosmological dark magnetic fields",
arXiv:1804.00458, Phys.Rev.D98 (2018) 023540.
D. Yoshida, J. Soda,
``Exploring the string axiverse and parity violation in gravity with gravitational waves",
arXiv:1708.09592, Int.J.Mod.Phys.D27 (2018) 1850096.
J. Soda, Y. Urakawa,
``Cosmological imprints of strin axions in plateau",
arXiv:1710.00305, Eur.Phys.J.C78 (2018) 779.
D. Yoshida, J. Soda,
``Electromagnetic waves propagating in the string axiverse",
arXiv:1710.09198, PTEP 2018 (2018) no.4, 041E01.
J.J.Geng et al.,
``Schwinger Pair Production by Electric Field Coupled to Inflation",
arXiv:1706.02833, JCAP 1802 (2018) 018.
A. Ito, , J.Soda,
``Anisotropic Constant-roll Inflation",
arXiv:1710.09701, Eur.Phys.J. C78 (2018) 55.
S.Kanno, J.Soda,
``Infinite Violation of Bell inequalities",
arXiv:1705.06199, to appear in PRD.
D.Yoshida, J.Soda,
``Electromagnetic Memory Effect induced by Axion Dark Matter",
arXiv:1704.04169, to appear in PRD.
A.Aoki, J.Soda,
``Nonlinear Resonant Oscillation of Gravitational Potential Induced by Ultralight Axion in f(R) gravity",
arXiv:1703.03589, to appear in PRD.
E.Masaki, A.Aoki, J. Soda,
``Photon-axion Conversion, Magnetic Field Configuration and Polarization of Photons",
arXiv:1702.08843, to appear in PRD.
J.Soda, S.Kanno, J.P. Shock,
``Quantum correlation in de Sitter space",
Universe 3 (2017) 2.
A.Aoki, J.Soda,
``Detecting ultralight axion dark matter wind with laser interferometers",
arXiv:1608.05933, to appear IJMP.
S.Kanno, J.P.Shock, J.Soda,
``Quantum discord in de Sitter space",
arXiv:1608.02853, Phys.Rev.D94 (2016) 125014.
A.Ito, J.Soda,
``Primordial Gravitational Waves induced by Magnetic Fields in Ekpyrotic Scenarios",
arXiv:1607.07062, Phys.Lett. B to appear.
A.Ito, J.Soda,
``MHz Gravitational Waves from Short-term Anisotropic Inflation",
arXiv:1601.03904, JCAP 1604 (2016) 035.
I.Obata, J.Soda,
``Chiral Primordial Gravitational Waves from Dilaton Induced Chromo-natural Inflation",
arXiv:1601.03904, Phys.Rev.D93 (2016) 123502.
A.Aoki, J.Soda,
``Pulsar timing signal from ultralight axion in f(R) theory",
arXiv:1601.03904, Phys.Rev.D93 (2016) 083503.
R.Kato, J.Soda,
``Probing circular polarization in stochastic gravitational wave background with pulsar timing arrays",
arXiv:1512.09139, Phys.Rev.D93 (2016) 062003.
G.Hikmawan, J.Soda, A.Suroso, F.P.Zen,
``Comment on ``Gauss-Bonnet Inflation"",
arXiv:1512.00222, Phys.Rev.D93 (2016) 068301.
D.Yoshida, J.Soda,
``Quasi-Normal Modes of Black Holes in Lovelock Gravity",
arXiv:1512.05865, Phys.Rev.D93 (2016) 044024.
A. Ito, J.Soda,
``Designing Anisotropic Inflation with Form Fields",
arXiv:1506.02450, Phys.Rev.D92 (2015) 12353.
I.Obata, T.Murata, J.Soda,
``Chromo-natural inflation in the Axiverse",
arXiv:1412.7620, Phys.Rev.D92 (2015) 063516.
Y.Sakakihara, J.Soda,
``Primordial Gravitational Waves in Bimetric Gravity",
arXiv:1504.04969, JCAP 1509 (2015) 015.
S.Kanno, J.P.Shock, J.Soda,
``Entanglement Negativity in the multyiverse",
arXiv:1412.2838, JCAP 1503 (2015) 015.
I.Obata, T.Miura, J.Soda
,
``Dynamics of Electroweak Gauge Fields during and after Higgs Inflation",
arXiv:1405.3091, Phys.Rev.D90 (2014) 045005
.
S.Kanno, J.Murugan, J.P.Schock, J.Soda,
``Entanglement entropy of alpha-vacua in de Sitter space",
arXiv:1404.6815, JHEP 1407 (2014) 072.
M.B.Frob, J.Garriga, S.Kanno, M.Sasaki, J.Soda, T.Tanaka, A.Vilenkin,
``Schwinger effect in de Sitter space",
arXiv:1401.4137, JCAP 04 (2014) 009.
J.Ohashi, J. Soda, S.Tsujikawa
``Observational signature of anisotropic inflationary models",
arXiv:1308.4488 [astro-ph], Phys. Rev. D88. 103517.
J.Ohashi, J. Soda, S.Tsujikawa
``Anisotropic power-law k-inflation",
arXiv:1310.3053 [hep-th], Phys.Rev.D88 (2013) 103517.
J.Ohashi, J. Soda, S.Tsujikawa
``Anisotropic Non-Gaussianity from a Two-Form Field",
arXiv:1303.7340 [astro-ph], Phys.Rev.D87 (2013) 083520.
A. Maleknejad, M. M. Sheikh-Jabbari, J. Soda
``Gauge Fields and Inflation",
arXiv:1212.2921 [hep-th], Phys. Rep.528 (2013) 161-261.
Y. Sakakihara, J. Soda, T. Takahashi
``On Cosmic No-hair in Bimetric Gravity and the Higuchi Bound",
arXiv:1211.5976 [hep-th]
, PTEP (2013) 033E02.
J.Garriga, S.Kanno, M.Sasaki, J. Soda, A.Vilenkin
``Observer dependence of bubble nucleation and Schwinger pair production",
arXiv:1208.1335 [hep-th], JCAP 1212 (2012) 006.
K. Nomura, J. Soda
``When is Multimetric Gravity Ghost-free?",
arXiv:1207.3637 [hep-th], Phys. Rev. D86: 084052 , 2012.
S.Kanno, M. Sasaki, J. Soda
``Destabilizing Tachyonic Vacua at or above the BF bound",
arXiv:1203.0612 [hep-th], Prog. Theor. Phys.128 (2012) 213-226.
K. Yamamoto, M. Watanabe, J. Soda
``Inflation with Multi-Vector Hair : The Fate of Anisotropy",
arXiv:1201.5309 [hep-th], Class.Quant.Grav. 29
(2012) 145008.
S. Kanno, J. Soda
``Exact Coleman-de Luccia Instantons",
arXiv:1111.0720 [hep-th],
Int.J.Mod.Phys. D21 (2012) 1250040.
J. Soda
``Statistical Anisotropy from Anisotropic Inflation",
arXiv:1201.6434 [hep-th],
Class.Quant.Grav. 29 (2012)
083001
.
S. Kanno, M. Sasaki, J. Soda
``Tunneling without barriers with gravity",
arXiv:1201.2272 [hep-th],
Class.Quant.Grav. 29 (2012)
075010
.
T. Takahashi, J. Soda
``Pathologies in Lovelock AdS black branes and AdS/CFT",
arXiv:1108.5041 [hep-th], Class.Quant.Grav. 29 (2012)
035008.
A.Maleknejad, M.M.Sheikh-Jabbari, J. Soda
``Gauge-flation and Cosmic No-Hair Conjecture",
arXiv:1109.5573 [hep-th], JCAP 1201 ( 2012) 016.
S. Kanno, M. Sasaki, J. Soda
``Holographic Dual of de Sitter Universe with AdS Bubbles",
arXiv:1107.1491 [hep-th], Nucl. Phys. B855:361-387, 2012.
J. Soda, H. Kodama, M. Nozawa
"Parity Violation in Graviton Non-Gaussianity",
arXiv:1106.3228 [hep-th],
JHEP 08:067, 2011
.
K. Murata
, J. Soda
``Anisotropic Inflation with Non-Abelian Gauge Kinetic Function",
arXiv:1103.6164 [hep-th], JCAP1106:037, 2011.
M. Watanabe,
S. Kanno, J. Soda
``Imprints of Anisotropic Inflation on the CMB"
,
arXiv:1011.3604[astro-th], Mon.Not.Roy.Astron.Soc.412: L83−L87, 2011.
S. Kanno, J. Soda, M. Watanabe
"Anisotropic Power-law Inflation",
arXiv:1010.5307 [hep-th],
JCAP1012:024, 2010
.
T. Takahashi, J. Soda,
"Master Equations for Gravitational Perturbations of Lovelock Black Holes in Higher Dimensions",
arXiv:1008.1385 [gr-qc],
Prog. Theor. Phys.124, 911-924 (2010)
.
T. Takahashi, J. Soda,
"Catastrophic Instability of Small Lovelock Black Holes",
arXiv:1008.1618 [gr-qc],
Prog. Theor. Phys.124, 711-729 (2010)
.
S. Kanno, J. Soda,
"Stability of Holographic Superconductors",
arXiv:1007.5002 [hep-th],
Phys.Rev.D82:086003,2010
.
T. Takahashi, J. Soda,
"Hawking Radiation from Fluctuating Black Holes",
arXiv:1005.0286 [gr-qc], Class. Qquant. Grav. 27: 175008 , 2010.
M. Watanabe, S. Kanno, J. Soda,
"The Nature of Primordial Fluctuations from Anisotropic Inflation",
arXiv:1003.0056 [astro-ph.CO], Prog. Theor. Phys.123, 1041-1068 (2010).
S. Kanno, J. Soda, M. Watanabe
"Cosmological Magnetic Fields from Inflation and Backreaction"
arXiv:0908.3509 [astro-ph.CO],
JCAP0912:009,2009.
T. Takahashi, J. Soda,
"Instability of Small Lovelock Black Holes in Even-dimensions",
arXiv:0907.0556 [gr-qc], Phys.Rev.D80:104021,2009.
R.Gregory, S. Kanno, J. Soda,
"Holographic Superconductors with Higher Curvature Corrections",
arXiv:0907.3203 [hep-th],
JHEP10 (2009) 010
.
C. Charmousis, B. Gouteraux, J. Soda,
"Einstein-Maxwell-Dilaton theories with a Liouville potential",
arXiv:0905.3337 [gr-qc], Phys.Rev.D80:024028,2009.
T. Takahashi, J. Soda,
"Chiral Primordial Gravitational Waves from a Lifshitz Point",
arXiv:0904.0554 [hep-th] , Phys.Rev.Lett. 102, 231301 (2009)
T. Takahashi, J. Soda,
"Stability of Lovelock Black Holes under Tensor Perturbations",
arXiv:0902.2921 [gr-qc] , Phys. Rev. D.79: 104025 (2009)
M. Watanabe, S. Kanno, J. Soda,
"Inflationary Universe with Anisotropic Hair",
arXiv:0902.2833 [hep-th], Phys.Rev.Lett.102.191302 (2009)
R.A. Konoplya, K. Murata, J. Soda, A. Zhidenko,
"Looking at the Gregory-Laflamme instability through quasi-normal modes",
arXiv:0807.1897 [hep-th] , Phys.Rev.D78: 084012, 2008.
M. Satoh, J. Soda,
"Higher Curvature Corrections to Primordial Fluctuations in Slow-roll Inflation",
arXiv:0806.4594 [astro-ph], JCAP 0809:019, 2008.
K. Murata and J. Soda,
"Stability of Five-dimensional Myers-Perry Black Holes
with Equal Angular Momenta",
arXiv:0803.1371 [hep-th], Prog.Theor.Phys.120: 561-579, 2008.
S. Kanno, M. Kimura, J. Soda, S. Yokoyama,
"Anisotropic Inflation from Vector Impurity",
arXiv:0806.2422 [hep-ph], JCAP 0808:034, 2008.
S. Yokoyama, J. Soda,
"Primordial statistical anisotropy generated at the end of inflation",
arXiv:0805.4265 [astro-ph], JCAP 0808:005,2008.
H. Ishihara, M. Kimura, R. A. Konoplya, K. Murata, J. Soda, A. Zhidenko,
"Evolution of perturbations of squashed Kaluza-Klein black holes: escape from instability",
arXiv:0802.0655 [hep-th], Phys.Rev.D77:084019,2008.
M. Kimura, K. Murata, H. Ishihara, J. Soda,
"On the Stability of Squashed Kaluza-Klein Black Holes",
arXiv:0712.4202 [hep-th], Phys.Rev.D77:064015,2008.
K. Murata and J. Soda,
"On the Separability of Field Equations in Myers-Perry Spacetimes",
arXiv:0710.0221 [hep-th], Class.Quant.Grav.25:035006,2008.
M. Satoh, S. Kanno and J. Soda,
"Circular Polarization of Primordial Gravitational Waves in String-inspired Inflationary Cosmology",
arXiv:0706.3585 [astro-ph], Phys.Rev.D77:023526,2008.
S. Kanno, D. Langlois, M. Sasaki and J. Soda,
"Kaluza-Klein braneworld cosmology with static internal dimensions" ,
arXiv:0707.4510 [hep-th],
Prog.Theor.Phys.118:701-713,2007,
K. Izumi and J. Soda,
"Renormalized Newtonian Cosmic Evolution with Primordial Non-Gaussianity",
arXiv:0706.1604, Phys.Rev.D76:083517,2007.
H. Ishihara and J.Soda,
Hawking Radiation from Squashed Kaluza-Klein Black Holes --- A Window to Extra Dimensions ---
,
Phys.Rev.D76: 064022, 2007
, hep-th/0702180
.
K.Murata, J.Soda and S.Kanno,
"Fate of Kaluza-Klein Black Holes: Evaporation or Excision?",
Phys.Rev. D75: 104017 (2007), hep-th/0703029
R.Brandenberger, S.Kanno, J.Soda, D.A.Easson, J.Khoury, P.Martineau, A.Nayeri, and S.P.Patil:
"More on the Spectrum of Perturbations in String Gas Cosmology'',
hep-th/0608186; JCAP 11, 009 (2006).
S.Kanno and J.Soda:
"Lorentz Violating Inflation'', hep-th/0604192,
Phys. Rev. D 74, 063505 (2006).
K.Murata and J.Soda:
"Hawking Radiation from Rotating Black Holes and Gravitational Anomalies'',
hep-th/0606069; Phys. Rev.D74, 044018 (2006).
S.Kanno and J.Soda:
``Moduli Stabilization in String Gas Compactification", hep-th/0509074.;
Phys. Rev.D72, 104023 (2005).
S.Kanno and J.Soda:
"Black String Perturbations in RS1 Model", gr-qc/0508084
Gen. Rel. Grav. 37, 1651-1662 (2005).
J.Soda and S.Kanno:
"Braneworld Cosmological Perturbation Theory at Low Energy", gr-qc/0508083
Gen. Rel. Grav. 37, 1621-1628 (2005).
S.Kanno, J.Soda and D.Wands:
``Braneworld Flux Inflation", hep-th/0506167.;
JCAP 08, 002 (2005).
S. Kanno and J. Soda:
``On the Validity of a Factorizable Metric Ansatz in String Cosmology"
Phys. Rev. D71, 044031 (2005)
S. Kanno and J. Soda:
``A Unified View of RS Braneworlds"
QG issue of TSPU Vestnik 7, 15-24 (2004).
S. Kanno and J. Soda:
``A Quasi-Thick Codimension 2 Braneworld" ;
JCAP07(2004)002, hep-th/0404207.
S. Kanno and J. Soda:
``Braneworld Kaluza-Klein Corrections in a Nutshell"
Phys. Lett. B588, 203-209 (2004), hep-th/0312106.
S. Kanno and J. Soda:
``Rotating Black String and Effective Teukolsky Equation in Braneworld"
Class. Quantum Grav.21, 1915-1923 (2004), gr-qc/0311074.
T. Tamaki, S. Kanno and J. Soda:
``Radionic Non-uniform Black Strings",
Phys.Rev. D69, 024010 (2004), hep-th/0307278.
S. Kanno and J. Soda:
``Low Energy Effective Action for Diratonic Braneworld",
Gen. Rel. Grav. 36, 689-712 (2004), hep-th/0303203.
S. Kanno, M. Sasaki and J. Soda:
``Born-Again Braneworld"
Prog. Theor. Phys. 109 (2003) 357-369, hep-th/0210250
S. Kanno and J. Soda:
``Braneworld Effective Action at Low Energies"
Astrophysics and Space Science 283 (2003) 481-486, hep-th/0209087
J. Soda and S. Kanno:
``Holographic View of Cosmological Perturbations"
Astrophysics and Space Science 283 (2003) 639-644, hep-th/0209086
S. Kanno and J. Soda:
``Radion and Holographic Brane Gravity",
Phys. Rev. D66 (2002) 083506, hep-th/0207029
S. Kanno and J. Soda:
``Brane World Effective Action at Low Energies and AdS/CFT",
Phys. Rev. D.66 (2002) 043526, hep-th/0205188
S.Kobayashi, K.Koyama and J.Soda:
``Thick Brane Worlds and Their Stability"
Phys. Rev. D65 (2002) 064014.
K.Koyama and J.Soda:
``Bulk Grabitational Field and Cosmological Perturbations on the Brane"
Phys. Rev. D65 (2002)023514.
K.Uzawa and J.Soda:
``Self-Tuning Dark Energy in Brane World Cosmology"
Mod. Phys. Lett. A16 (2001) 1089.
K.Koyama and J.Soda:
``Strongly Coupled CFT in FRW Universe from AdS/CFT Correspondence"
JHEP 05 (2001) 027.
S.Kobayashi, K.Koyama and J.Soda:
``Quantum Fluctuations of Bulk Inflaton in Inflationary Brane World"
Phys. Lett. B501 (2001)157-164.
H.Saida and J.Soda:
``Black holes and a scalar field in expanding universe"
Class. Quantum Grav.17 (2000) 4967-4980.
K.Koyama and J.Soda:
``Evolution of Cosmological Perturbations in the Brane World"
Phys. Rev. D62 (2000)123502.
K.Koyama, K. Maeda and J.Soda:
``An Open Universe from Valley Bounce"
Nucl. Phys. B580 (2000) 409-437.
K.Koyama and J.Soda:
``Birth of the Brane World"
Phys. Lett. B483 (2000) 432-442.
A.Taruya and J.Soda:
``Spherical Infall Model in a Cosmological Background Density Field"
MNRAS 317 (2000) 873-879.
H.Saida and J.Soda:
``Statistical Entropy of BTZ Black Hole in Higher Curvature Gravity"
Phys. Lett. B471 (2000) 358-366.
K.Koyama, J.Soda, and A.Taruya:
``Constraints on a non-Gaussian ($\chi^2$) CDM model"
MNRAS 310 (1999) 1111-1118.
S. Kawai and J.Soda:
``Evolution of Fluctuations during Graceful Exit in String Cosmology"
Phys.Lett. B460 (1999) 41-46.
Y.Ezawa, M.Kajihara, M.Kiminami,J.Soda, and T.Yano:
``Semiclassical Approach to Stability of the Extra-Dimensional Spaces in Higher Curvature Gravity Theories"
Class. Quantum Grav 16 (1999)1873-1888.
Y.Ezawa, M.Kajihara, M.Kiminami,J.Soda, and T.Yano:
``A Canonical Formalism for a Higher-curvature Gravity"
Class. Quantum Grav.16 (1999) 1127-1135.
K.Koyama and J.Soda:
``Baryon Isocurvature Perturbation in the Affleck-Dine Baryogenesis''
Phys. Rev. Lett. 82 (1999) 2632-2635}
A.Taruya and J.Soda:
`` Stochastic Biasing and Galaxy-Mass Density Relation in the Weakly Non-linear Regime''
Astro.Phys.J. 522 (1999) 46-58.
A.Taruya, K.Koyama and J.Soda:
``Quasi Non-linear Evolution of Stochastic Bias''
Astro.phys.J. 510 (1999) 541-550
S.Kawai and J.Soda:
``Non-singular Bianchi type I cosmological solutions from 1-loop superstring effective action''
Phys. Rev. D59 (1999) 063506
S.Kawai, M.Sakagami and J.Soda:
``Instability of 1-loop superstring cosmology"
Phys.Lett. B (1998)284-290.
O.Iguchi, H.Ishihara and J.Soda:
``Inhomogeneity of Spatial Curvature for Inflation"
Phys. Rev. D55 (1997) 3337.
Y.Ezawa, F.Kakimoto, J.Soda and T.Yano:
``Semiclassical Approach to Stability of Extra-dimensional Spaces"
Class. Quantum Grav. 14 (1997) 257.
Y.Fujiwara and J.Soda:
``Wavelet Analysis of One-Dimensional Cosmological Density Fluctuations"
Prog. Theor. Phys. 95 (1996) 1059.
J.Soda and K.Hirata:
``Higher Dimensional Self-similar Spherical Symmetric Scalar Field Collapse
and Critical Phenomena in Black Hole Formation"
Phys. Lett. B387 (1996) 271.
K.Hirata, Y.Fujiwara and J.Soda:
``Comment on Entropy in Two-dimensional Dilaton Gravity"
Phys. Lett. B378 (1996) 68.
Y.Ezawa, J.Soda, T.Watanabe and T.Yano:
``A Possible Way of Stabilizing a Higher-dimensional Universe"
Nuovo Cimento 111B (1996) 355.
T.Chiba and J.Soda:
``Critical Behavior in the Brans-Dicke Theory of Gravitation"
Prog. Theor. Phys. 96 (1996) 567.
Y.Fujiwara and J.Soda:
``Non-linear Self-modulation in Newtonian Gravity"
Prog.Theor.Phys. 95 (1996) 51.
J.Soda, H.Ishihara and O.Iguchi:
``Hamilton-Jacobi Equation for Brans-Dicke Theory and Its Long-Wavelength Solution"
Prog.Theor.Phys. 94 (1995) 781.
Y.Ezawa and J.Soda :
``Effects of Topology on the Gravitational Wave"
Phys. Lett. B 335 (1994) 131.
J.Soda :
``A Hidden Symmetry in the One-Dimensional Cosmological Model"
Prog. Theor. Phys. 90 (1993) 569.
J.Soda :
``Hierarchical Dimensional Reduction and Gluing Geometries"
Prog. Theor. Phys. 89 (1993) 1303.
J.Soda and Y.Suto:
``Nonlinear Gravitational Evolution of Phases and Amplitudes
in one-dimensional Cosmological Density Field"
Ap. J 396 (1992) 379.
J.Soda and Y.Yamanaka:
``Axially Symmetric Domain Wall in 2+1-dimensions"
Physics Letters B269 (1991) 275.
J.Soda, Y.Yamanaka and H.Ooguchi:
``Junction Conditions in 2+1-dimensions"
Progress of Theoretical Physics, 86 (1991) 841.
J.Soda:
``A novel supersymmetry in 2-dimensional Yang-Mills theory on Riemann surfaces"
Physics Letters B267 (1991) 214.
J.Soda and Y.Yamanaka:
``Moduli space of the Chern-Simons gravity"
Modern Physics Letters, A6 (1991) 303.
A.Hosoya and J.Soda:
``How many "times" do we have in quantum gravity? - a path-integral approach"
Progress of Theoretical Physics, 84 (1990) 1108.
Y.Fujiwara and J.Soda:
``Teichmuller Motion of (2+1)-dimensional Gravity with the Cosmological Constant"
Progress of Theoretical Physics, 83 (1990) 733.
J.Soda:
``Linearized Analysis of (2+1)-dimensional Einstein-Maxwell Theory"
Progress of Theoretical Physics, 83 (1990) 805.
A.Hosoya and J.Soda:
``Abelian Gauge Theory in Topologically Non-trivial Space"
Modern Physics Letters, A4 (1989) 2539.
N.Nakazawa, K.Sakai and J.Soda:
``Renormalization Group Flow and Open String Dynamics"
Modern Physics Letters, A3 (1988) 1797.
J.Soda and H.Yoshii:
``Kac Formulas for G/H Conformal Field Theories"
Progress of Theoretical Physics, 80 (1988) 941.
J.Soda:
``Reducing the Huge Symmetry Occuring in the Compactification of a String"
Progress of Theoretical Physics, 79 (1988) 1016.
J.Soda, N.Nakazawa, K.Sakai and S.Ojima:
``Comment on the Non-renormalization Theorem in the Four-dimensional Superstrings"
Physics Letters, B201 (1988) 73.