Draft:Tarun Souradeep

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Tarun Souradeep
Tarun Souradeep (2024)
Born (1967-10-09) October 9, 1967 (age 57)
India
NationalityIndian
OccupationPhysicist
Years active1988–present
Employer(s)Raman Research Institute (Director, since 2022)
Known forCosmic microwave background; gravitational-wave astronomy
Notable workESA Planck mission; LIGO-India; CMB-Bhārat proposal
AwardsBreakthrough Prize in Fundamental Physics (2016, as LIGO member); Gruber Cosmology Prize (2016, as LIGO member); Princess of Asturias Award (2017, as LIGO member)

Tarun Souradeep (born 9 October 1967) is an Indian physicist and cosmologist. He is Director of the Raman Research Institute (RRI), Bengaluru, on deputation from the Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune.[1] He works in the areas of the cosmic microwave background (CMB) and gravitational-wave astronomy, contributed to the European Space Agency’s Planck mission,[2] and was a coauthor of the 2016 paper reporting the first direct detection of gravitational waves.[3] As a member of the LIGO Scientific Collaboration, he shared in awards such as the Breakthrough Prize in Fundamental Physics,[4] the Gruber Cosmology Prize,[5] and the Princess of Asturias Award (2017).[6]

Education and career

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Souradeep obtained a B.Tech. in Mechanical Engineering from the Indian Institute of Technology Kanpur in 1988,[7] an M.Sc. in Physics from the University of Pune in 1994, and a Ph.D. in Cosmology from IUCAA in 1995.[8]

From 1995 to 2000, he was a postdoctoral researcher at the Canadian Institute for Theoretical Astrophysics and Kansas State University.[1] He also had a brief stint as an automobile design engineer at Eicher Research Centre in 1988.[9]

He joined IUCAA as faculty in 2000,[10] and from 2019 to 2022 served as Professor and Chair of Physics at IISER Pune.[11] He formally took office as Director of RRI in January 2022.[1]

Research

[edit]

Souradeep has conducted work on statistical methods in CMB anisotropy and isotropy testing.[12] Under his leadership, the IUCAA group contributed to the Planck mission, applying bipolar spherical harmonics to probe isotropy violations.[13]

In 2018, he coordinated the CMB-Bhārat proposal to the Indian Space Research Organisation for a mission to detect primordial gravitational waves via CMB B-mode polarization.[14]

Since 2009, Souradeep has served as co-proposer and science spokesperson of LIGO-India, and led site selection efforts.[15][16] He commented publicly following the Union Cabinet's 2023 approval of the LIGO-India project.[17][18]

Honours and awards

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  • DST Swarnajayanti Fellowship (2005–06)[19]
  • Fellow, Indian Academy of Sciences (2013)[20]
  • Fellow, International Society on General Relativity and Gravitation (2013)[21]
  • Fellow, National Academy of Sciences, India (2018)[22]
  • Breakthrough Prize in Fundamental Physics (2016, as LIGO Scientific Collaboration member)[23]
  • Gruber Cosmology Prize (2016, as LIGO Scientific Collaboration member)[24]
  • Princess of Asturias Award (2017, as LIGO Scientific Collaboration member)[25]

Professional roles

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  • Co-proposer and Science Spokesperson, LIGO-India[26]
  • Project Coordinator (IUCAA) and site search lead, LIGO-India[27]
  • President, Indian Association for General Relativity and Gravitation[28]
  • Member, National Committee for Astronomy (India), under INSA[29]

References

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  1. ^ a b c "Prof Tarun Souradeep is RRI's new Director". The Times of India. 21 January 2022. Retrieved 24 September 2025.
  2. ^ Ade, P. A. R. (2014). "Planck 2013 results. XXIII. Isotropy and statistics of the CMB". Astronomy & Astrophysics. 571: A23. arXiv:1303.5083. Bibcode:2014A&A...571A..23P. doi:10.1051/0004-6361/201321534.
  3. ^ Abbott, B. P. (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.
  4. ^ "LIGO Team Awarded Special Breakthrough Prize in Fundamental Physics". Caltech. 3 May 2016. Retrieved 24 September 2025.
  5. ^ "2016 Gruber Prize in Cosmology". The Gruber Foundation. Retrieved 24 September 2025.
  6. ^ "2017 Princess of Asturias Award for Technical and Scientific Research". Princess of Asturias Foundation. 3 October 2017. Retrieved 24 September 2025.
  7. ^ "Cosmologist Tarun Souradeep takes charge as RRI director". The Indian Express. 21 January 2022. Retrieved 24 September 2025.
  8. ^ "Curriculum Vitae – Tarun Souradeep" (PDF). IUCAA. Retrieved 24 September 2025.
  9. ^ "Quest for Cosmic Origin – Colloquium bio note" (PDF). IIT Madras. 18 September 2019. Retrieved 24 September 2025.
  10. ^ "Faculty profile – Tarun Souradeep". IUCAA. Retrieved 24 September 2025.
  11. ^ "Prof. Tarun Souradeep assumes charge as RRI Director". ThePrint. 22 January 2022. Retrieved 24 September 2025.
  12. ^ Hajian, A.; Souradeep, T. (2004). "The Cosmic Microwave Background Bipolar Power Spectrum: Basic Formalism and Applications". arXiv:astro-ph/0501001. Bibcode:2005astro.ph..1001H. {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: multiple names: authors list (link)
  13. ^ Kumar, Saurabh; Rotti, Aditya; Aich, Moumita; Pant, Nidhi; Mitra, Sanjit; Souradeep, Tarun (2015). "Orthogonal bipolar spherical harmonics measures: scrutinizing sources of isotropy violation". Physical Review D. 91 (4): 043501. arXiv:1409.4886. Bibcode:2015PhRvD..91d3501K. doi:10.1103/PhysRevD.91.043501.{{cite journal}}: CS1 maint: article number as page number (link)
  14. ^ "Future of CMB, B-modes & CMB-Bhārat" (PDF). ICTS. 3 September 2020. Retrieved 24 September 2025.
  15. ^ "Tarun Souradeep – LIGO-India". LIGO-India. 15 January 2016. Retrieved 24 September 2025.
  16. ^ "Tarun Souradeep – GW @ IUCAA". GW @ IUCAA. 15 January 2016. Retrieved 24 September 2025.
  17. ^ "Prof. Tarun Souradeep expressed his views on the LIGO India Project". RRI. 10 April 2023. Retrieved 24 September 2025.
  18. ^ "India gives green light to gravitational-wave observatory". Physics World. 24 April 2023. Retrieved 24 September 2025.
  19. ^ "Curriculum Vitae – Tarun Souradeep" (PDF). IUCAA. Retrieved 24 September 2025.
  20. ^ "Prof. Tarun Souradeep – Fellows". Indian Academy of Sciences. Retrieved 24 September 2025.
  21. ^ "ISGRG Fellows – Tarun Souradeep". ISGRG. Retrieved 24 September 2025.
  22. ^ "Souradeep, Tarun". NASI. Retrieved 24 September 2025.
  23. ^ "LIGO Team Awarded Special Breakthrough Prize in Fundamental Physics". Caltech. 3 May 2016. Retrieved 24 September 2025.
  24. ^ "2016 Gruber Prize in Cosmology". The Gruber Foundation. Retrieved 24 September 2025.
  25. ^ "2017 Princess of Asturias Award for Technical and Scientific Research". Princess of Asturias Foundation. 3 October 2017. Retrieved 24 September 2025.
  26. ^ "Tarun Souradeep – LIGO-India". LIGO-India. 15 January 2016. Retrieved 24 September 2025.
  27. ^ "Tarun Souradeep – GW @ IUCAA". GW @ IUCAA. 15 January 2016. Retrieved 24 September 2025.
  28. ^ "IAGRG – Indian Association for General Relativity and Gravitation". IAGRG. Retrieved 24 September 2025.
  29. ^ "National Committee for Astronomy (India)". INSA. Retrieved 24 September 2025.
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