Tarun Souradeep

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Tarun Souradeep
Born1967
India
Alma materIndian Institute of Technology Kanpur (B.Tech)
Inter-University Centre for Astronomy and Astrophysics (PhD)
Known forCosmic microwave background, LIGO-India
Scientific career
Doctoral advisorJayant Narlikar

Tarun Souradeep (born 1967) is an Indian astrophysicist and cosmologist who currently serves as the Director of the Raman Research Institute (RRI) in Bengaluru.[1] His research focuses on the Cosmic Microwave Background (CMB) and is a part of the group involved in the establishment of gravitational-wave astronomy in India, specifically through the LIGO-India project.[2][3]

Education and early career

Souradeep graduated with a B.Tech. in Mechanical Engineering from the Indian Institute of Technology Kanpur (IIT Kanpur) in 1988.[4] After this, he went to work in automobile design at Eicher, but he soon changed his field of work to physics.[5] He joined the first batch of students at the Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune, and earned his PhD in Gravitation and Cosmology in 1995 under the supervision of Jayant Narlikar.[6]

Academic career

Souradeep was appointed as a faculty member at IUCAA in late 2000 and formed a research subgroup on CMB research.[7] He remained there until 2019 and eventually became a Senior Professor. He has been the Chair of the Physics Department at the Indian Institute of Science Education and Research, Pune (IISER Pune) from 2019 to 2022.[8] He assumed the charge of Director of the Raman Research Institute on January 20, 2022.[9][10]

Scientific contributions

His research focuses on testing the underlying assumptions of the standard cosmological model.[11]

Cosmic Microwave Background research

Souradeep developed the Bipolar Spherical Harmonic (BipoSH) formalism, which provides a methodology for measuring mathematical violations of statistical isotropy in the Cosmic Microwave Background (CMB).[12] Souradeep led the sole Indian group within the international core team of the Planck mission.[13][14]

Gravitational Wave astronomy

Souradeep was a part of the LIGO consortium that made the first direct detection of gravitational waves.[15] He is a founding member of the Indian Initiative in Gravitational-wave Observations (IndIGO) consortium and has been a former spokesperson.[16] He is one of the lead authors of the proposal for LIGO-India, an advanced LIGO detector on Indian soil.[17] He has been the coordinator of the LIGO-India site search and the proposal to set up a Gravitational Wave Data Centre at IUCAA from an Indian perspective.[18]

CMB-Bhārat

He proposed the Indian space-based mission to detect B-mode polarization signatures of primordial gravitational waves, known as CMB-Bhārat or ECHO.[19]

Awards and recognition

Souradeep has won several international and national awards:

  • Special Breakthrough Prize in Fundamental Physics (2016): Shared as a contributor to the LIGO discovery paper.[20]
  • Gruber Cosmology Prize (2016): Shared with the LIGO discovery team.[21]
  • Princess of Asturias Award for Scientific and Technical Research (2017): Shared with the LIGO Scientific Collaboration.[22]
  • Vikram Sarabhai Research Award (2012).[23]
  • Swarnajayanti Fellowship (2005–06).[24]

He is an elected Fellow of the Indian Academy of Sciences (2013),[25] the National Academy of Sciences, India (2018),[26] and the International Society on General Relativity and Gravitation (2013).[27][28]

Selected publications

  • Hajian, A., & Souradeep, T. (2006). "Measuring Statistical Isotropy of the CMB Anisotropy". New Astronomy Reviews, Volume 50, Issues 11–12. doi:10.1016/j.newar.2006.09.010
  • Abbott, B. P., et al. (LIGO Scientific Collaboration and Virgo Collaboration). (2016). "Observation of Gravitational Waves from a Binary Black Hole Merger". Physical Review Letters, 116(6), 061102. doi:10.1103/PhysRevLett.116.061102
  • Ade, P. A. R., et al. (Planck Collaboration). (2014). "Planck 2013 results. I. Overview of products and scientific results". Astronomy and Astrophysics, 571, A1. doi:10.1051/0004-6361/201321529
  • Adak, D., et al. (2022). "B-mode forecast of CMB-Bhārat". Monthly Notices of the Royal Astronomical Society, 514(2), 3002-3014. doi:10.1093/mnras/stac1474

References

  1. ↑ "Cosmologist Tarun Souradeep Takes Charge as RRI Director". The Indian Express. 21 January 2022.
  2. ↑ "Tarun Souradeep on Gravitational Waves, LIGO, and Cosmology". The Wire (Science). 11 September 2016.
  3. ↑ "LIGO-India: An Indian Mega-project for Gravitational-Wave Science". Resonance. Indian Academy of Sciences. March 2016.
  4. ↑ "Alumni News and Profiles". IIT Kanpur Alumni Association.
  5. ↑ "Tarun Souradeep". CosmoAims Blog. 2012.
  6. ↑ "Tarun Souradeep – IRINS Research Profile". Inter-University Centre for Astronomy and Astrophysics (IUCAA).
  7. ↑ "Faculty Research: Tarun Souradeep". Inter-University Centre for Astronomy and Astrophysics.
  8. ↑ "Department of Physics – Faculty". Indian Institute of Science Education and Research Pune.
  9. ↑ "Prof Tarun Souradeep Is RRI's New Director". The Times of India. 21 January 2022.
  10. ↑ "Director: Prof. Tarun Souradeep". Raman Research Institute.
  11. ↑ Tarun Souradeep. "Curriculum Vitae" (PDF). Inter-University Centre for Astronomy and Astrophysics.
  12. ↑ Hajian, A.; Souradeep, T. (2006). "Measuring Statistical Isotropy of the CMB Anisotropy". New Astronomy Reviews. 50 (11–12): 889–895. arXiv:astro-ph/0607577. Bibcode:2006NewAR..50..889S. doi:10.1016/j.newar.2006.09.010.
  13. ↑ Bagla, Pallava (2013). "India's Cosmology Efforts and the Planck Mission". Nature India.
  14. ↑ Ade, P. A. R.; et al. (Planck Collaboration) (2014). "Planck 2013 results. I. Overview of products and scientific results". Astronomy and Astrophysics. 571: A1. arXiv:1303.5062. Bibcode:2014A&A...571A...1P. doi:10.1051/0004-6361/201321529.
  15. ↑ Abbott, B. P.; et al. (LIGO Scientific Collaboration and Virgo Collaboration) (2016). "Observation of Gravitational Waves from a Binary Black Hole Merger". Physical Review Letters. 116 (6) 061102. arXiv:1602.03837. Bibcode:2016PhRvL.116f1102A. doi:10.1103/PhysRevLett.116.061102. PMID 26918975.
  16. ↑ "Tarun Souradeep – LIGO-India Leadership". LIGO-India. 15 January 2016.
  17. ↑ Wall, Mike. "LIGO-India Could Boost Global Gravitational Wave Detection". Space.com.
  18. ↑ "Vacuum Chambers for LIGO in Hingoli to Come Up First". The Times of India.
  19. ↑ "Indian Cosmologists Propose New Space Experiment to Gaze at Universe's Dawn". The Wire (Science). 27 January 2019.
  20. ↑ "Special Breakthrough Prize in Fundamental Physics Awarded to LIGO Scientific Collaboration". Breakthrough Prize Foundation.
  21. ↑ "2016 Gruber Cosmology Prize – LIGO Team Members". Gruber Foundation.
  22. ↑ "Rainer Weiss, Kip S. Thorne, Barry C. Barish and the LIGO Scientific Collaboration – Princess of Asturias Award for Technical & Scientific Research 2017". Princess of Asturias Foundation.
  23. ↑ "Five Scientists Get Dr Vikram Sarabhai Research Awards". The Times of India.
  24. ↑ "Professor Tarun Souradeep Is the New Director of Raman Research Institute". The Telegraph.
  25. ↑ "List of Fellows Elected in 2013". Indian Academy of Sciences.
  26. ↑ "Fellows Directory". National Academy of Sciences, India.
  27. ↑ "ISGRG Fellows". International Society on General Relativity and Gravitation.
  28. ↑ "Noted Astrophysicist Tarun Souradeep Takes Over as Director of Raman Research Institute". The Hindu.

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