[1999]

[1] Resonant particle production with non-minimally coupled scalar fields
in preheating after inflation
Shinji Tsujikawa, Kei-ichi Maeda (Waseda, Japan),
Takashi Torii (Tokyo Institute of Technology, Japan)
Phys.Rev. D60 (1999) 063515,  hep-ph/9901306.

[2] Preheating with non-minimally coupled scalar fields
in higher-curvature inflation models
Shinji Tsujikawa, Kei-ichi Maeda (Waseda),
Takashi Torii (Tokyo Institute of Technology, Japan)
Phys.Rev. D60 (1999) 123505,  hep-ph/9906501.

[3] Preheating of the nonminimally coupled inflaton field
Shinji Tsujikawa, Kei-ichi Maeda (Waseda, Japan),
Takashi Torii (Tokyo Institute of Technology, Japan)
Phys.Rev. D61 (2000) 103501,  hep-ph/9910214.

[4] Spinodal effect in the natural inflation model
Shinji Tsujikawa,Takashi Torii (Tokyo Institute of Technology, Japan)
Phys.Rev. D62 (2000) 043505,  hep-ph/9912499.
 

[2000]
 

[5] Are Kaluza-Klein modes enhanced by parametric resonance?
Shinji Tsujikawa
Phys.Rev. D61 (2000) 124002,  hep-ph/0001079.

[6] New twist to preheating
Shinji Tsujikawa, Bruce A. Bassett (Portsmouth, UK)
Phys.Rev. D61 (2000) 124002,  hep-ph/0003068.

[7] Particle production in the oscillating inflation model
Shinji Tsujikawa
Phys.Rev. D61 (2000) 083516, hep-ph/0003252.

[8] Power-law inflation with a nonminimally coupled scalar field
Shinji Tsujikawa
Phys.Rev. D62 (2000) 043512,  hep-ph/0004088.

[9] Preheating with extra dimensions
Shinji Tsujikawa
JHEP 0007 (2000) 024,  hep-ph/0005105.

[10] Multi-field fermionic preheating
Shinji Tsujikawa, Bruce A. Bassett (Portsmouth, UK),
Fermin Viniegra (Oxford, UK)
JHEP 0008 (2000) 019,  hep-ph/0006354.

[11] New constraints on multi-field inflation with nonminimal coupling
Shinji Tsujikawa, Hiroki Yajima (Waseda, Japan)
Phys.Rev. D62 (2000) 123512 (2000),  hep-ph/0007351.

[12] Inflationary preheating and primordial black holes
Bruce A. Bassett (Portsmouth, UK), Shinji Tsujikawa
Phys. Rev. D 63, 123503 (2001),  hep-ph/0008328.

[13] Preheating - cosmic magnetic dynamo ?
Bruce A. Bassett (Portsmouth, UK), Giuseppe Pollifrone (Queen Mary, UK),
Shinji Tsujikawa, Fermin Viniegra (Oxford, UK)
Phys. Rev. D 63, 103515 (2001), astro-ph/0010628.

[14] Brane preheating
Shinji Tsujikawa, Kei-ichi Maeda (Waseda, Japan), Shuntaro Mizuno (Waseda, Japan)
Phys. Rev. D 63, 123511 (2001), hep-ph/0012141.
 

[2001]
 

[15] Massive fermion production in nonsingular superstring cosmology
Shinji Tsujikawa, Hiroki Yajima (Waseda, Japan)
Phys. Rev. D 64, 023519 (2001),  hep-ph/0103148.

[16] Cosmological perturbations from multi-field inflation in generalized Einstein theories
Alexei A. Starobinsky (Landau Institute, Russia), Shinji Tsujikawa, Jun'ichi Yokoyama (Osaka, Japan)
Nucl.Phys. B 610 (2001) 383-410,  astro-ph/0107555.

[17] Fermion production from preheating-amplified metric perturbations
Bruce A. Bassett (Portsmouth), Marco Peloso (Bonn, Germany), Lorenzo Sorbo (Sissa, Italy), Shinji Tsujikawa
Nucl.Phys. B 622 (2002) 393-415,  hep-ph/0109176.

[18] Density perturbations in the Ekpyrotic Universe and string-inspired generalizations
Shinji Tsujikawa
Phys.Lett. B526 (2002) 179-18,  gr-qc/0110124.
 

[2002]
 

[19] Nature of singularities in anisotropic string cosmology
Alexey Toporensky (Moscow state univ., Russia), Shinji Tsujikawa
Phys.Rev. D65 (2002) 123509,   gr-qc/0202067.

[20] When can preheating affect the CMB?
Shinji Tsujikawa, Bruce A. Bassett (Portsmouth, UK)
Phys.Lett. B536 (2002) 9-17, astro-ph/0204031.

[21] Construction of Nonsingular Pre-Big-Bang and Ekpyrotic Cosmologies and the Resulting Density Perturbations
Shinji Tsujikawa, Robert Brandenberger (Brown, USA), Fabio Finelli (I.A.S.F, Italy)
Phys.Rev. D66 (2002) 083513,  hep-th/0207228.

[22] Correlation-consistency cartography of the double inflation landscape
Shinji Tsujikawa, Bruce A. Bassett (Portsmouth, UK), David Parkinson (Portsmouth, UK)
Phys.Rev. D67 (2003) 083516,  astro-ph/0210322.
 
 

[2003]
 

[23] Aspects of String-Gas Cosmology at Finite Temperature
Bruce A. Bassett (Portsmouth, UK), Monica Borunda (Sissa, Italy),
Marco Serone (Sissa, Italy), Shinji Tsujikawa
Phys.Rev. D67 (2003) 123506, hep-th/0301180.

[24] Construction of nonsingular cosmological solutions in string theories
Shinji Tsujikawa
Class.Quant.Grav. 20 (2003) 1991-2014, hep-th/0302181.

[25] MSW-resonant fermion mixing during reheating
Tsuneto Kanai (Tokyo, Japan), Shinji Tsujikawa
Nucl. Phys. B 670 (2003) 289-306.

[26] Cosmological density perturbations from perturbed couplings
Shinji Tsujikawa
Phys.Rev. D68 (2003) 083510,   astro-ph/0305569.

[27] Non-commutative inflation and the CMB
Shinji Tsujikawa, Roy Maartens (Portsmouth, UK), Robert Brandenberger (Brown, USA)
Phys.Lett. B574 (2003) 141-148,  astro-ph/0308169.

[28] Loop quantum gravity effects on inflation and the CMB
Shinji Tsujikawa, Parampreet Singh (IUCAA, India), Roy Maartens (Portsmouth, UK)
Class. Quant. Gravi. 21 (2004) 5767-5775,  astro-ph/0311015

[29] Inflation in string-inspired cosmology and suppression of CMB low multipoles
Yun-Song Piao (Beijing, China), Shinji Tsujikawa, Xinmin Zhang (Beijing, China)
Class. Quant. Gravi. 21 (2004) 4455-4461, hep-th/0312139.

[30] Constraints on braneworld inflation from CMB anisotropies
Shinji Tsujikawa, Andrew R. Liddle (Sussex, UK)
JCAP 0403, 001 (2004), astro-ph/0312162.
 

[2004]
 

[31] Density perturbations in generalized Einstein scenarios and
constraints on nonminimal couplings from the cosmic microwave background
Shinji Tsujikawa, Burin Gumjudpai (Naresuan U., Thailand)
Phys. Rev. D69 (2004) 123523, astro-ph/0402185.

[32] Cosmology from rolling massive scalar field on the anti-D3 brane of de Sitter vacua
Mohammad R.Garousi (Ferdowsi U., Tehran, Iran), M. Sami (IUCAA, India), Shinji Tsujikawa
Phys. Rev. D70 (2004) 043536, hep-th/0402075.

[33] Dilatonic ghost condensate as dark energy
Federico Piazza (Milano, Italy), Shinji Tsujikawa
JCAP 0407, 004 (2004),  hep-th/0405054.

[34] Generation of electromagnetic fields in string cosmology with a massive scalar field on the anti D-brane
Mohammad R.Garousi (Ferdowsi U., Tehran, Iran), M. Sami (IUCAA, India), Shinji Tsujikawa
Phys.Lett. B606 (2003) 1-6, hep-th/0405012

[35] Observational constraints on braneworld inflation: the effect of a Gauss-Bonnet term
Shinji Tsujikawa, M. Sami (IUCAA, India), Roy Maartens (Portsmouth, UK)
Phys. Rev. D70 (2004) 063525, astro-ph/0406078.
 
[36] Observational constraints on patch inflation in noncommutative spacetime
Gianluca Calcagni (Parma, Italy), Shinji Tsujikawa
Phys. Rev. D70 (2004) 103514, astro-ph/0407543
 
[37] A unified approach to scaling solutions in a general cosmological background
Shinji Tsujikawa,  M. Sami (IUCAA, India)
Phys.Lett. B603 (2004) 113-123, hep-th/0409212

[38] Testing for double inflation with WMAP
David Parkinson (Sussex, UK), Shinji Tsujikawa, Bruce Bassett (Kyoto & Portsmouth), Luca Amendola (Rome, Italy)
Phys. Rev. D71 (2005) 063524, astro-ph/0409071

[39] What is needed of a tachyon if it is to be the dark energy?
Edmund J. Copeland (Sussex, UK), Mohammad R.Garousi (Ferdowsi U., Tehran, Iran), M. Sami (IUCAA, India), Shinji Tsujikawa
Phys. Rev. D71 (2005) 043003 , hep-th/0411192

[40] Chaotic dynamics in preheating after inflation
Yoshida Jin (Waseda, Japan), Shinji Tsujikawa
Class. Quant. Gravi. 23 (2006) 353-371, hep-ph/0411164

[41] Constraints on Dirac-Born-Infeld type dark energy models from varying alpha
Mohammad R.Garousi (Ferdowsi U., Tehran, Iran),  M. Sami (IUCAA, India), Shinji Tsujikawa
Phys. Rev. D71 (2005) 083005, hep-th/0412002

[2005]

[42] Properties of singularities in (phantom) dark energy universe
Shin'ichi Nojiri (National Defence Academy, Japan), S.D. Odintsov (ICREA, Spain), Shinji Tsujikawa
Phys. Rev. D71 (2005) 063004, hep-th/0501025

[43] Coupled dark energy: Towards a general description of the dynamics
Burin Gumjudpai (Naresuan U., Thailand), Tapan Naskar (IUCAA, India), M. Sami (IUCAA, India), Shinji Tsujikawa
JCAP 0506, 007 (2005),  hep-ph/0502191

[44] The fate of (phantom) dark energy universe with string curvature corrections
M. Sami (IUCAA, India), Alexey Toporensky (Moscow state univ., Russia), Peter V. Tretjakov (Moscow state univ., Russia),
Shinji Tsujikawa
Phys.Lett. B619 (2005) 193-200,  hep-ph/0504154

[45] Dynamics of assisted quintessence
Soo A. Kim (Sussex, UK), Andrew R. Liddle (Sussex, UK), Shinji Tsujikawa
Phys. Rev. D72 (2005) 043506,  astro-ph/0506076

[46] Dark energy and cosmological solutions in second-order string gravity
Gianluca Calcagni (Gunma, Japan), Shinji Tsujikawa, M. Sami (IUCAA, India)
Class. Quant. Gravi. 22 (2005) 3977-4006, hep-th/0505193

[47] Phantom damping of matter perturbations
Luca Amendola (Rome observatory, Italy), Shinji Tsujikawa, M. Sami (IUCAA, India)
Phys.Lett. B632 (2006) 155-158, astro-ph/0506222

[48] Inflation dynamics and reheating
Bruce A. Bassett (Portsmouth, UK), Shinji Tsujikawa, David Wands (Portsmouth, UK)
Reviews of Modern Physics 78, 537-589 (2006), astro-ph/0507632, 

[49] Reconstruction of general scalar-field dark energy models
Shinji Tsujikawa
Phys. Rev. D72 083512 (2005), astro-ph/0508542

[50] Inflation and dark energy arising from geometrical tachyons
Sudhakar Panda (Harish-Chandra Institute, India), M. Sami (Jamia Islamia, India), Shinji Tsujikawa
Phys. Rev. D73 023515 (2006), hep-th/0510112

[2006]

[51] Inflation from D3-brane motion in the background of D5-branes
Sudhakar Panda (Harish-Chandra Institute, India), M. Sami (Jamia Islamia, India), Shinji Tsujikawa,
John Ward (Queen Mary, UK)
Phys. Rev. D73 083512 (2006), hep-th/0601037

[52] General analytic formulae for attractor solutions of scalar-field dark energy models
and their multi-field generalizations
Shinji Tsujikawa,
Phys. Rev. D73 103504 (2006), hep-th/0601178

[53] Dynamics of dark energy
Edmund J. Copeland (Nottingham, UK), M. Sami (Jamia Islamia, India), Shinji Tsujikawa
International Journal of Modern Physics D15 1753-1936 (2006), hep-th/0603057

[54] Are f(R) dark energy models cosmologically viable ?
Luca Amendola (Rome, Italy), David Polarski (Montpellier, France), Shinji Tsujikawa
Phys. Rev. Lett. 131302 (2007),
astro-ph/0603703

[55] Power-laws f(R) theories are cosmologically unacceptable
Luca Amendola (Rome, Italy), David Polarski (Montpellier, France), Shinji Tsujikawa
International Journal of Modern Physics D16, 10, 1555-1561 (2007)
astro-ph/0605384

[56] Avoidance of future singularities in loop quantum cosmology
M. Sami (Jamia Islamia, India), Parampreet Singh (Penn State, USA), Shinji Tsujikawa
Phys. Rev. D74 043514 (2006),  gr-qc/0605133

[57] The Japanese space gravitational antenna DECIGO
S. Kawamura, Shinji Tsujikawa et al
Class. Quant. Grav. 23: S125-S132 (2006)

[58] Challenges for scaling cosmologies
Luca Amendola (Rome, Italy), Miguel Quartin (Rio de Janeiro, Brazil), Shinji Tsujikawa,
Ioav Waga (Rio de Janeiro, Brazil)
Phys. Rev. D74 023525 (2006), astro-ph/0605488

[59] Cosmologies from higher-order string corrections
Shinji Tsujikawa,
Annalen Phys. 15, 302-315 (2006), hep-th/0606040

[60] String-inspired cosmology: Late-time transion from scaling matter era to
dark energy universe caused by a Gauss-Bonnet coupling
Shinji Tsujikawa, M. Sami (Jamia Islamia, India)
JCAP 01, 006 (2007), hep-th/0608178,

[61] Realizing scale-invariant density perturbations in low-energy effective string theory
Zuan-kuan Guo (Kinki university, Japan), Nobuyoshi Ohta(Kinki university, Japan)
Shinji Tsujikawa
Phys. Rev. D75 023520 (2007), hep-th/0610336.

[62] Conditions for the cosmological viability of f(R) dark energy models
Luca Amendola (Rome, Italy), Radouane Gannouji (Montpellier, France),
David Polarski (Montpellier, France), Shinji Tsujikawa
Phys. Rev. D75 083504 (2007), gr-qc/0612180

[2007]


[63] f(R) gravity theories in Palatini formalism: Cosmological dynamics and
observational constraints
Stephane Fay (Queen Mary London, UK), Reza Tavakol (Queen Mary London, UK),
Shinji Tsujikawa
Phys. Rev. D75 023520 (2007), astro-ph/0701479

[64] Probing the coupling between dark components of the universe
Zuan-kuan Guo (Kinki university, Japan), Nobuyoshi Ohta(Kinki university, Japan),
Shinji Tsujikawa
Phys. Rev. D76 023508 (2007),  astro-ph/0702015

[65] UV stable, Lorentz-violating dark energy with transient phantom era
Maxim Libanov (Russian Academy, Russia), Eleftherios Papantonopoulos (University of Athens, Greece),
Valery Rubakov (Russian Academy, Russia), M. Sami (Jamia Islamia, India), Shinji Tsujikawa
JCAP 08, 010 (2007), 0704.1848 [hep-th]

[66] Phantom crossing, equation-of-state singularities, and local gravity constraints
in f(R) models
Luca Amendola (Rome, Italy), Shinji Tsujikawa

Phys.Lett. B660 (2008) 125-132,
0705.0396 [astro-ph]

[67] Matter density perturbations and effective gravitational constant
in modified gravity models of dark enrgy
Shinji Tsujikawa
Phys. Rev. D76 023514 (2007),
0705.1032 [astro-ph]

[68] Prospects of inflation in delicate D-brane cosmology
Sudhakar Panda (Harish-Chandra Institute, India), M. Sami (Jamia Islamia, India), Shinji Tsujikawa
Phys. Rev. D76 023514 (2007),
0707.2848 [hep-th]

[69] Observational signatures of f(R) dark energy models that satisfy cosmological
and local gravity constraints
Shinji Tsujikawa
Phys. Rev. D77 023507 (2008),
0709.1391 [asto-ph]

[70] Density perturbations in f(R) gravity theories in metric and Palatini formalisms
Shinji Tsujikawa, Kotub Uddin (Queen Mary, UK), Reza Tavakol (Queen Mary, UK)
Phys. Rev. D77 043007 (2008),
0712.0082 [asto-ph]

[2009]

[82] Assisted dark energy
Junko Ohashi (Tokyo University of Science), Shinji Tsujikawa
Phys. Rev. D80 103513 (2009),
0909.3924 [gr-qc]

[83] The universe is accelerating. Do we need a new mass scale?
Savvas Nesserris (Niels Bohr International Academy, Denmark), Federico Piazza (Perimeter institute, Canada),
Shinji Tsujikawa
Phys. Lett. B689 122-128 (2010),
0910.3949 [astro-ph]
 

[84] Matter instabilities in general Gauss-Bonnet gravity
Antonio De Felice (Tokyo University of Science), David F. Mota (University of Oslo, Norway),
Shinji Tsujikawa
Phys. Rev. D81 023532 (2010),
0911.1811 [gr-qc]

[90] Generalized Brans-Dicke theories
Antonio De Felice (Tokyo University of Science), Shinji Tsujikawa,
JCAP 1007, 024 (2010),
1005.0868 [astro-ph.CO]

Radouane Gannouji (IUCAA, India), Bruno Moraes (Montpellier, France),
David F. Mota (Oslo, Norway), David Polarski (Montpellier, France),
Shinji Tsujikawa, Hans A. Winther (Oslo, Norway),
Phys. Rev. D 82 124006 (2010)
1010.3769 [astro-ph.CO]

[94] Observational constraints on Galileon cosmology
Savvas Nesseris (Niels Bohr International Academy, Denmark), Antonio De Felice (Tokyo University of Science),
Shinji Tsujikawa,
Phys. Rev. D 82 124054 (2010)
1010.0407 [astro-ph.CO]

[95] Matter perturbations in Galileon cosmology
Antonio De Felice (Tokyo University of Science), Ryotaro Kase (Tokyo University of Science),
Shinji Tsujikawa,
Phys. Rev. D 83 043515 (2011)
1011.6132 [astro-ph.CO]

[96] Modified gravity models of dark energy
Shinji Tsujikawa,
Lect. Notes. Phys. 800, 99 (2010)
1101.0191 [gr-qc]

[2011]

[97] Thermodynamics in modified gravity theories
Kazuharu Bamba (National Tsing Hua University, Taiwan), Chao-Qiang Geng (National Tsing Hua University, Taiwan),
Shinji Tsujikawa,
International Journal of Modern Physics D20, 8, 1363-1371 (2011),
1101.3628 [gr-qc]

[98] Observational constraints on loop quantum cosmology
Martin Bojowald (Pennsylvania State University, USA),
Gianluca Calcagni (Albert Einstein Institute, Germany), Shinji Tsujikawa,
Phys. Rev. Lett. 107, 211302 (2011),
1101.5391 [astro-ph.CO]

[99] Primordial non-Gaussianities in general modified gravitational models of inflation
Antonio De Felice (Tokyo University of Science), Shinji Tsujikawa,
JCAP 1104, 029 (2011),
1103.1172 [astro-ph.CO]

[100] Observational constraints on assisted k-inflation
Junko Ohashi (Tokyo University of Science), Shinji Tsujikawa,
Phys. Rev. D 83 103522 (2011)
1104.1565 [astro-ph.CO]

[101] Chaotic inflation in modified gravitational theories
Antonio De Felice (Tokyo University of Science), Shinji Tsujikawa,
Joseph Elliston (Queen Mary), Reza Tavakol (Queen Mary),
JCAP 08, 021 (2011),
1105.4685 [astro-ph.CO]

[102] Observational tests of inflation in loop quantum cosmology
Martin Bojowald (Pennsylvania State University, USA),
Gianluca Calcagni (Albert Einstein Institute, Germany), Shinji Tsujikawa,
JCAP 11, 046 (2011),
1107.1540 [gr-qc]

[103] Inflationary non-Gaussianities in the most general second-order
scalar-tensor theories
Antonio De Felice (Tokyo University of Science), Shinji Tsujikawa,
Phys. Rev. D 84 083504 (2011)
1107.3917 [gr-qc]

[104] Effective gravitational couplings for cosmological perturbations in the most general
scalar-tensor theories with second-order field equations
Antonio De Felice (Tokyo University of Science), Tsutomu Kobayashi (Kyoto University), Shinji Tsujikawa,
Phys. Lett. B706, 123-133 (2011)
1108.4242 [gr-qc]

[105] Conditions for the cosmological viability of the most general scalar-tensor theories and
their applications to extended Galileon dark energy models
Antonio De Felice (Naresuan Univerisity, Thailand), Shinji Tsujikawa,
JCAP 02, 007 (2012),
1110.3878 [gr-qc]

[106] Vainshtein mechanism in second-order scalar-tensor theories
Antonio De Felice (Naresuan Univerisity, Thailand), Ryotaro Kase (Tokyo University of Science), Shinji Tsujikawa,
Phys. Rev. D 85 044059 (2012),
1111.5090 [gr-qc]

[107] Cosmological constraints on extended Galileon models
Antonio De Felice (Naresuan Univerisity, Thailand), Shinji Tsujikawa,
JCAP 03, 025 (2012),
1112.1774 [astro-ph.CO]

[2012]

[108] Observational tests of inflation with a field derivative coupling to gravity
Shinji Tsujikawa,
Phys. Rev. D 85 083518 (2012),
1201.5926 [astro-ph.CO]

[109] Observational constraints on dark energy with a fast varying equation of state
Antonio De Felice (Naresuan University, Thailand), Savvas Nesseris (Madrid, Spain),
Shinji Tsujikawa,
JCAP to appear
1203.6760 [astro-ph.CO]

Preprints

[2012]

[110] Consistency of inflation and preheating in F(R) supergravity
Sergei Ketov (Tokyo Metropolitan University), Shinji Tsujikawa,
1205.2918 [hep-th]


Lecture notes

[1] Introductory review of cosmic inflation
Shinji Tsujikawa
hep-ph/0304257, lecture notes given at The Second Tah Poe School on Cosmology "Modern Cosmology", Naresuan University, Phitsanulok, Thailand, 17 -25 April, 2003

[2] Modified gravity models of dark energy
Shinji Tsujikawa
Lect. Notes Phys. 800, 99-145 (2010), lecture notes given at Second TRR33 Winter School, Tonare, Italy, 7-12 December, 2008
 

What next?