Research


Full texts linked from here.
The spectrum of Higgs-lepton inflation (with Planck+BICEP2 constraints) parametrised by the seesaw mass scale (in GeV).

Preprints

Testing supersymmetric Higgs inflation with non-Gaussianity
Shinsuke Kawai, Jinsu Kim
e-Print: arXiv:1411.5188 [hep-ph]

Published articles

TeV scale seesaw from supersymmetric Higgs-lepton inflation and BICEP2
Shinsuke Kawai, Nobuchika Okada
Phys.Lett.B735 (2014) 186, e-Print: arXiv:1404.1450 [hep-ph]

Improvement of energy-momentum tensor and non-Gaussianities in holographic cosmology
Shinsuke Kawai, Yu Nakayama
JHEP 1406 (2014) 052, e-Print: arXiv:1403.6220 [hep-th]

Supersymmetric B-L inflation near the conformal coupling
Masudo Arai, Shinsuke Kawai, Nobuchika Okada
Phys.Lett.B734 (2014) 100, e-Print: arXiv:1311.1317 [hep-ph]

Chaotic dynamics of the Bianchi IX universe in Gauss-Bonnet gravity
Edward J. Kim, Shinsuke Kawai
Phys.Rev.D87 (2013) 083517, e-Print: arXiv:1301.6853 [gr-qc]
Fractal basins of attraction corresponding to de Sitter (the white region) and big crunch (the black) solutions.

Higgs-lepton inflation in the supersymmetric minimal seesaw model
Masato Arai, Shinsuke Kawai, Nobuchika Okada
Phys.Rev.D87 (2013) 065009, e-Print: arXiv:1212.6828 [hep-ph]

Supersymmetric standard model inflation in the Planck era
Masato Arai, Shinsuke Kawai, Nobuchika Okada
Phys.Rev.D86 (2012) 063507, e-Print: arXiv:1112.2391 [hep-ph]

Higgs inflation in minimal supersymmetric SU(5) grand unified theory
Masato Arai, Shinsuke Kawai, Nobuchika Okada
Phys.Rev.D84 (2011) 123515, e-Print: arXiv:1107.4767 [hep-ph]

Renormalization effects on MSSM from a calculable model of strongly coupled hidden sector
Masato Arai, Shinsuke Kawai, Nobuchika Okada
Phys.Rev.D84 (2011) 075002, e-Print: arXiv:1011.3998 [hep-ph]

A Gauge mediation scenario with hidden sector renormalization in MSSM
Masato Arai, Shinsuke Kawai, Nobuchika Okada
Phys.Rev.D81 (2010) 035022, e-Print: arXiv:1001.1509 [hep-ph]

BPS Vortices in Non-relativistic M2-brane Chern-Simons-matter Theory
Shinsuke Kawai, Shin Sasaki
Phys.Rev.D80 (2009) 025007, e-Print: arXiv:0903.3223 [hep-th]

Preheating after N-flation
Diana Battefeld, Shinsuke Kawai
Phys.Rev.D77 (2008) 123507, e-Print: arXiv:0803.0321 [astro-ph]

Mirrorfolds with K3 fibrations
Shinsuke Kawai, Yuji Sugawara
JHEP 0802 (2008) 065, e-Print: arXiv:0711.1045 [hep-th]

D-branes in T-fold conformal field theory
Shinsuke Kawai, Yuji Sugawara
JHEP 0802 (2008) 027, e-Print: arXiv:0709.0257 [hep-th]

Fractional S-branes on a spacetime orbifold
Shinsuke Kawai, Esko Keski-Vakkuri, Robert G. Leigh, Sean Nowling
Phys.Rev.D73 (2006) 106004, e-Print: hep-th/0602083

The Rolling tachyon boundary conformal field theory on an orbifold
Shinsuke Kawai, Esko Keski-Vakkuri, Robert G. Leigh, Sean Nowling
Phys.Rev.D73 (2006) 106003, e-Print: hep-th/0602081

Brane decay from the origin of time
Shinsuke Kawai, Esko Keski-Vakkuri, Robert G. Leigh, Sean Nowling
Phys.Rev.Lett.96 (2006) 031301, e-Print: hep-th/0507163

Coulomb gas formulation of SU(2) branes and chiral blocks
Samuli Hemming, Shinsuke Kawai, Esko Keski-Vakkuri
J.Phys.A38 (2005) 5809-5830, e-Print: hep-th/0403145

Free boson formulation of boundary states in W3 minimal models and the critical Potts model
Alexandre F. Caldeira, Shinsuke Kawai, John F. Wheater
JHEP 0308 (2003) 041, e-Print: hep-th/0306082

Free field realization of boundary states and boundary correlation functions of minimal models
Shinsuke Kawai
J.Phys.A36 (2003) 6875-6893, e-Print: hep-th/0210032

Logarithmic conformal field theory with boundary
Shinsuke Kawai
Int.J.Mod.Phys.A18 (2003) 4655-4684, e-Print: hep-th/0204169

Coulomb gas approach for boundary conformal field theory
Shinsuke Kawai
Nucl.Phys.B630 (2002) 203-221, e-Print: hep-th/0201146

Modular transformation and boundary states in logarithmic conformal field theory
Shinsuke Kawai, John F. Wheater
Phys.Lett.B508 (2001) 203, e-Print: hep-th/0103197

Evolution of fluctuations during graceful exit in string cosmology
Shinsuke Kawai, Jiro Soda
Phys.Lett.B460 (1999) 41-46, e-Print: gr-qc/9903017

Nonsingular Bianchi type 1 cosmological solutions from 1 loop superstring effective action
Shinsuke Kawai, Jiro Soda
Phys.Rev.D59 (1999) 063506, e-Print: gr-qc/9807060

Instability of one loop superstring cosmology
Shinsuke Kawai, Masa-aki Sakagami, Jiro Soda
Phys.Lett.B437 (1998) 284-290, e-Print: gr-qc/9802033

Old stuff

My Ph.D thesis (Bodleian copy version) is here.

Some recent talk slides



Higgs-lepton Inflation [pdf]
Fort Lauderdale, Florida, December 2014

Holographic Cosmology [pdf]
IPMU, Chiba, November 2014

Hidden sector renormalisation in gauge mediation scenario [pdf]
Seminar talks in various places, spring 2011.

Vortex solutions on membranes [pdf]
APCTP winter school, February 2010


Last updated 30 December 2014