Publications
Ultra-low mass PBHs in the early universe can explain the PTA signal, Nilanjandev Bhaumik, Rajeev Kumar Jain, Marek Lewicki, arXiv: 2308.07912 [astro-ph.CO]
Inflationary cross-correlations of a non-minimal spectator and their soft limits, P. Jishnu Sai, Rajeev Kumar Jain, JCAP 09, 043 (2023)
Primordial Black Holes Dark Matter and Secondary Gravitational Waves from Warm Higgs-G Inflation, Richa Arya, Rajeev Kumar Jain, Arvind Kumar Mishra, arXiv: 2302.08940 [astro-ph.CO]
Horndeski Helping Hubble: Towards a possible solution to the Hubble tension with Horndeski gravity, Yashi Tiwari, Basundhara Ghosh, Rajeev Kumar Jain, arXiv: 2301.09382 [astro-ph.CO]
Distinct signatures of spinning PBH domination and evaporation: doubly peaked gravitational waves, dark relics and CMB complementarity, Nilanjandev Bhaumik, Anish Ghoshal, Rajeev Kumar Jain, Marek Lewicki, JHEP 05, 169 (2023)
Circumventing the challenges in the choice of the non-conformal coupling function in inflationary magnetogenesis, Sagarika Tripathy, Debika Chowdhury, H.V. Ragavendra, Rajeev Kumar Jain, L. Sriramkumar, Phys. Rev. D 107, 043501 (2023)
Understanding large scale CMB anomalies with the generalized non-minimal derivative coupling during inflation, Yashi Tiwari, Nilanjandev Bhaumik, Rajeev Kumar Jain, Phys. Rev. D 107, 103513 (2023)
Faint light of old neutron stars from dark matter capture and detectability at the James Webb Space Telescope, Shiuli Chatterjee, Raghuveer Garani, Rajeev Kumar Jain, Brijesh Kanodia, M. S. N. Kumar, Sudhir K. Vempati, Phys. Rev. D 108, L021301 (2023)
Cosmology with the Laser Interferometer Space Antenna, LISA Cosmology Working Group: Pierre Auclair et al., Living Rev.Rel. 26, 5 (2023)
Cosmological Number Counts under Disformal Transformations, Basundhara Ghosh, Jérémie Francfort, Rajeev Kumar Jain, Eur.Phys.J.Plus 138, 660 (2023)
Challenges in the choice of the non-conformal coupling function in inflationary magnetogenesis, Sagarika Tripathy, Debika Chowdhury, Rajeev Kumar Jain, L. Sriramkumar, Phys. Rev. D 105, 063519 (2022)
On the primordial correlation of gravitons with gauge fields, Rajeev Kumar Jain, P. Jishnu Sai, Martin S. Sloth, JCAP 03, 054 (2022)
Impact of Helical Electromagnetic Fields on the Axion Window, Takeshi Kobayashi, Rajeev Kumar Jain, JCAP 03, 025 (2021)
Small scale induced gravitational waves from primordial black holes, a stringent lower mass bound, and the imprints of an early matter to radiation transition, Nilanjandev Bhaumik, Rajeev Kumar Jain, Phys. Rev. D 104, 023531 (2021)
Primordial black holes dark matter from inflection point models of inflation and the effects of reheating, Nilanjandev Bhaumik, Rajeev Kumar Jain, JCAP 01, 037 (2020)
Effective chemical potential in spontaneous baryogenesis, Arnab Dasgupta, Rajeev Kumar Jain, Raghavan Rangarajan, Phys. Rev. D 98, 083527 (2018)
A Unified Universe, Alessandro Codello, Rajeev Kumar Jain, Eur. Phys. J. C 78, 357 (2018)
On the covariant formalism of the effective field theory of gravity and its cosmological implications, Alessandro Codello, Rajeev Kumar Jain, Class. Quant. Grav. 34, 035015 (2017)
Leading Gravitational Corrections and a Unified Universe, Alessandro Codello, Rajeev Kumar Jain, Int. J. Mod. Phys. D 25, 1644023 (2016)
Duality and scale invariant magnetic fields from bouncing universes, Debika Chowdhury, L. Sriramkumar, Rajeev Kumar Jain, Phys. Rev. D 94, 083512 (2016)
White Dwarf Critical Tests for Modified Gravity, Rajeev Kumar Jain, Chris Kouvaris, Niklas Grønlund Nielsen, Phys. Rev. Lett. 116, 151103 (2016)
On the covariant formalism of the effective field theory of gravity and leading order corrections, Alessandro Codello, Rajeev Kumar Jain, Class. Quant. Grav. 33, 225006 (2016)
Generation of scale invariant magnetic fields in bouncing universes, L. Sriramkumar, Kumar Atmjeet, Rajeev Kumar Jain, JCAP 09, 010 (2015)
Radiative Corrections from Heavy Fast-Roll Fields during Inflation, Rajeev Kumar Jain, McCullen Sandora, Martin S. Sloth, JCAP 06, 016 (2015)
Inflationary Magnetogenesis without the Strong Coupling Problem II: Constraints from CMB anisotropies and B-modes, Ricardo J.Z. Ferreira, Rajeev Kumar Jain, Martin S. Sloth, JCAP 06, 053 (2014)
Inflationary magnetogenesis without the strong coupling problem, Ricardo J.Z. Ferreira, Rajeev Kumar Jain, Martin S. Sloth, JCAP 10, 004 (2013)
On the non-Gaussian correlation of the primordial curvature perturbation with vector fields, Rajeev Kumar Jain, Martin S. Sloth, JCAP 02, 003 (2013)
Cosmological Ohm's law and dynamics of non-minimal electromagnetism, Lukas Hollenstein, Rajeev Kumar Jain, Federico R. Urban, JCAP 01, 013 (2013)
Consistency relation for cosmic magnetic fields, Rajeev Kumar Jain, Martin S. Sloth, Phys. Rev. D 86, 123528 (2012)
Nonlinear cosmological consistency relations and effective matter stresses, Guillermo Ballesteros, Lukas Hollenstein, Rajeev Kumar Jain, Martin Kunz JCAP 05, 038 (2012)
Resonant magnetic fields from inflation, Christian T. Byrnes, Lukas Hollenstein, Rajeev Kumar Jain, Federico R. Urban, JCAP 03, 009 (2012)
Can slow roll inflation induce relevant helical magnetic fields? Ruth Durrer, Lukas Hollenstein, Rajeev Kumar Jain, JCAP 03, 037 (2011)
Reheating in tachyonic inflationary models: Effects on the large scale curvature perturbations, Rajeev Kumar Jain, Pravabati Chingangbam, L. Sriramkumar, Nucl. Phys. B 852, 366 (2011)
Primordial features due to a step in the inflaton potential, Dhiraj Kumar Hazra, Moumita Aich, Rajeev Kumar Jain, L. Sriramkumar, Tarun Souradeep, JCAP 10, 008 (2010)
The tensor-to-scalar ratio in punctuated inflation, Rajeev Kumar Jain, Pravabati Chingangbam, L. Sriramkumar, Tarun Souradeep, Phys. Rev. D 82, 023509 (2010)
Punctuated inflation and the low CMB multipoles, Rajeev Kumar Jain, Pravabati Chingangbam, Jinn-Ouk Gong, L. Sriramkumar, Tarun Souradeep, JCAP 01, 009 (2009)
Non-Gravitating Scalar Field in the FRW Background, Nabamita Banerjee, Rajeev Kumar Jain, Dileep P. Jatkar, Gen. Rel. Grav. 40, 93-105 (2008)
On the evolution of tachyonic perturbations at super-Hubble scales, Rajeev Kumar Jain, Pravabati Chingangbam, L. Sriramkumar, JCAP 10, 003 (2007)