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Koushik Dutta

Koushik Dutta

Position
Associate Professor
Location
Department of Physical Sciences, IISER Kolkata
Room No: Research Complex (1st Floor) - H12

Research group

Research areas

  • Cosmology and Its Connections to Particle Physics

  • Ph.D (Physics), University of Massachusetts, Amherst, 2007
  • M.Sc (Physics), Indian Institute of Technology, Kanpur, 2002
  • B.Sc (Physics), Jadavpur University, 2000
  • Associate Professor, IISER Kolkata (2019 - current)
  • Associate Professor - E & F, Saha Institute of Nuclear Physics (2013 - 2019)
  • Assistant Professor, Indian Institute of Science Education and Research, Bhopal (2012 - 2013)
  • Postdoctoral Fellow, DESY, Hamburg, Germany (2010 - 2012)
  • Postdoctoral Fellow, Max Institute for Physics (Werner Heisenberg Institute), Munich, Germany (2007 - 2010)
  • Regular Associateship from International Centre for Theoretical Physics, Trieste, Italy (2022 - 2027)
  • Junior Associateship from International Centre for Theoretical Physics, Trieste, Italy (2013 - 2018)
  • Ramanujan Fellowship from DST, Govt. of India (2012 - 2017)
  • Max Planck Society-DST Visiting Fellowship (2013-2015)
  1. K. Alam, M. Bastero-Gil, K.Dutta and H. V.Ragavendra - Non-thermal moduli production during preheating in $\alpha$-attractor inflation models, [arXiv:2303.17383 [astro-ph.CO]].
  2. S. Bhattacharya, K. Dutta, M. R.Gangopadhyay and A. Maharana - $\alpha$-attractor inflation: Models and predictions, Phys. Rev. D 107, no.10, 103530 (2023) [arXiv:2212.13363 [astro-ph.CO]].
  3. K. Alam and K. Dutta - Effects of reheating on moduli stabilization, JCAP 10, 085 (2022) [arXiv:2208.00427 [hep-ph]].
  4. K. Dutta, A. Ghosh, A. Kar, and B. Mukhopadhyaya - A general study of decaying scalar dark matter: existing limits and projected radio signals at the SKA, JCAP 09, 005 (2022) [arXiv:2204.06024 [hep-ph]].
  5. S. Chakrabarti, B. Dave, K. Dutta and G. Goswami - Constraints on the mass and self-coupling of ultra-light scalar field dark matter using observational limits on galactic central mass,'' JCAP 09, 074 (2022) [arXiv:2202.11081 [astro-ph.CO]].
  6. K. Dutta and A. Maharana - Models of accelerating universe in supergravity and string theory, Eur. Phys. J. ST 230, no.9, 2111-2122 (2021) (REVIEW ARTICLE)
  7. S. Bhattacharya, A. Das and K. Dutta - Solar mass primordial black holes in moduli dominated universe, JCAP 10, 071 (2021) [arXiv:2101.02234 [astro-ph.CO]].
  8. K. Dutta, Ruchika, A. Roy, A. A. Sen and M. M. Sheikh-Jabbari - Beyond $\Lambda $CDM with low and high redshift data: implications for dark energy, Gen. Rel. Grav. 52, no.2, 15 (2020) [arXiv:1808.06623 [astro-ph.CO]].
  9. K. Dutta and T. Islam -Testing Weyl gravity at galactic and extra-galactic scales, Phys. Rev. D 98, no.12, 124012 (2018) [arXiv:1808.06923 [gr-qc]].
  10. R. Allahverdi, K. Dutta and A. Maharana - Constraining Non-thermal Dark Matter by CMB, JCAP 10, 038 (2018) [arXiv:1808.02659 [astro-ph.CO]].
  • Convener, DPS Seminar/Colloquium Committee
  • Member, DPS Website Committee
  • Member, IISER Campus Maintenance and Oversight Committee.