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| name = Varun Sahni |
| name = Varun Sahni |
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| death_date = |
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| residence = [[Pune]], [[Maharashtra]], India |
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| nationality = [[Indian nationality|Indian]] |
| nationality = [[Indian nationality|Indian]] |
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| fields = {{ublist | [[Astrophysics]] | [[Astronomy]] }} |
| fields = {{ublist | [[Astrophysics]] | [[Astronomy]] }} |
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| father = [[Bhisham Sahni]] |
| father = [[Bhisham Sahni]] |
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| known_for = Studies on Dark Energy, large-scale structure of the Universe |
| known_for = Studies on Dark Energy, large-scale structure of the Universe |
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| awards = {{ublist| 2000 [[Shanti Swarup Bhatnagar Prize]] | 2014 Homi Bhabha Medal}} |
| awards = {{ublist| 2000 [[Shanti Swarup Bhatnagar Prize]] | 2014 Homi Bhabha Medal}} |
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'''Varun Bhisham Sahni''' (born March 29, 1956) is an Indian theoretical physicist, astrophysicist and a Distinguished Professor at the [[Inter-University Centre for Astronomy and Astrophysics]].<ref name=" Faculty">{{Cite web |url=http://www.iucaa.in:8080/iucaa/jsp/N-People.jsp |title= Faculty |date=2017-10-19 |website=Inter-University Centre for Astronomy and Astrophysics |access-date=2017-10-19}}</ref> Known for his research on cosmology,<ref name="Summary of faculty research interests">{{Cite web |url=http://www.iucaa.ernet.in/research.html |title=Summary of faculty research interests |date=2017-10-19 |website=Inter-University Centre for Astronomy and Astrophysics |access-date=2017-10-19 |archive-url=https://web.archive.org/web/20100611140022/http://www.iucaa.ernet.in/Research.html |archive-date=2010-06-11 |url-status=usurped }}</ref> Sahni is an elected fellow of all the three major Indian science academies viz. [[Indian Academy of Sciences]],<ref name="Fellow profile">{{Cite web |url=http://www.ias.ac.in/describe/fellow/Sahni,_Prof._Varun_Bhisham |title=Fellow profile |date=2017-10-17 |publisher=[[Indian Academy of Sciences]] |access-date=2017-10-17}}</ref> [[Indian National Science Academy]]<ref name="INSA Year Book 2016">{{Cite web |url=http://www.insaindia.res.in/pdf/YearBook_2016.pdf |title=INSA Year Book 2016 |date=2017 |publisher=[[Indian National Science Academy]]}}</ref> and [[National Academy of Sciences, India]].<ref name="NASI fellows">{{Cite web |url=http://www.nasi.org.in/fellows.asp?RsFilter=S |title=NASI fellows |date=2017 |publisher=National Academy of Sciences, India}}</ref> The [[Council of Scientific and Industrial Research]], the apex agency of the Government of India for scientific research, awarded him the [[Shanti Swarup Bhatnagar Prize for Science and Technology]], one of the highest Indian science awards, for his contributions to physical sciences in 2000.<ref name="View Bhatnagar Awardees">{{Cite web |url=http://ssbprize.gov.in/Content/AwardeeList.aspx |title=View Bhatnagar Awardees |date=2017-11-11 |publisher=Shanti Swarup Bhatnagar Prize |access-date=2017-11-11}}</ref>{{Refn|group=note|Long link - please select award year to see details}} |
'''Varun Bhisham Sahni''' (born March 29, 1956) is an Indian theoretical physicist, astrophysicist and a Distinguished Professor at the [[Inter-University Centre for Astronomy and Astrophysics]].<ref name=" Faculty">{{Cite web |url=http://www.iucaa.in:8080/iucaa/jsp/N-People.jsp |title= Faculty |date=2017-10-19 |website=Inter-University Centre for Astronomy and Astrophysics |access-date=2017-10-19}}</ref> Known for his research on cosmology,<ref name="Summary of faculty research interests">{{Cite web |url=http://www.iucaa.ernet.in/research.html |title=Summary of faculty research interests |date=2017-10-19 |website=Inter-University Centre for Astronomy and Astrophysics |access-date=2017-10-19 |archive-url=https://web.archive.org/web/20100611140022/http://www.iucaa.ernet.in/Research.html |archive-date=2010-06-11 |url-status=usurped }}</ref> Sahni is an elected fellow of all the three major Indian science academies viz. [[Indian Academy of Sciences]],<ref name="Fellow profile">{{Cite web |url=http://www.ias.ac.in/describe/fellow/Sahni,_Prof._Varun_Bhisham |title=Fellow profile |date=2017-10-17 |publisher=[[Indian Academy of Sciences]] |access-date=2017-10-17}}</ref> [[Indian National Science Academy]]<ref name="INSA Year Book 2016">{{Cite web |url=http://www.insaindia.res.in/pdf/YearBook_2016.pdf |title=INSA Year Book 2016 |date=2017 |publisher=[[Indian National Science Academy]]}}</ref> and [[National Academy of Sciences, India]].<ref name="NASI fellows">{{Cite web |url=http://www.nasi.org.in/fellows.asp?RsFilter=S |title=NASI fellows |date=2017 |publisher=National Academy of Sciences, India}}</ref> The [[Council of Scientific and Industrial Research]], the apex agency of the Government of India for scientific research, awarded him the [[Shanti Swarup Bhatnagar Prize for Science and Technology]], one of the highest Indian science awards, for his contributions to physical sciences in 2000.<ref name="View Bhatnagar Awardees">{{Cite web |url=http://ssbprize.gov.in/Content/AwardeeList.aspx |title=View Bhatnagar Awardees |date=2017-11-11 |publisher=Shanti Swarup Bhatnagar Prize |access-date=2017-11-11}}</ref>{{Refn|group=note|Long link - please select award year to see details}} |
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Revision as of 17:08, 18 February 2023
Varun Sahni | |
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| Born | March 29, 1956 India |
| Nationality | Indian |
| Known for | Studies on Dark Energy, large-scale structure of the Universe |
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| Awards |
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| Scientific career | |
| Fields | |
| Institutions | |
Varun Bhisham Sahni (born March 29, 1956) is an Indian theoretical physicist, astrophysicist and a Distinguished Professor at the Inter-University Centre for Astronomy and Astrophysics.[1] Known for his research on cosmology,[2] Sahni is an elected fellow of all the three major Indian science academies viz. Indian Academy of Sciences,[3] Indian National Science Academy[4] and National Academy of Sciences, India.[5] The Council of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards, for his contributions to physical sciences in 2000.[6][note 1]
Sahni is reported to have studied the universe, more specifically its large-scale structure, the early inflationary phase and cosmological constant.[7] His achievements include the establishment of a cosmic no-hair theorem related to inflation, analysis of the universe structure using self-developed statistical methods, discovery of novel models of dark energy and dark matter, design of unified models of Inflation and dark energy and the elucidation of Big Bang theory using Braneworld physics.[8] His studies have been documented by way of a number of articles[9][note 2] and the online article repository of the Indian Academy of Sciences has listed 68 of them.[10]
Sahni is a member of the International Astronomical Union.[11] He has delivered plenary addresses at many conferences and seminars; "Cosmology after the BOOMERANG experiment" delivered at the Astronomy Seminars 2000 of the Tata Institute of Fundamental Research[12] and Frontiers of Cosmology and Gravitation (ICGC 2011) of the International Centre for Theoretical Sciences were two of them.[13] The School of Applied Mathematical and Physical Sciences of the National Technical University of Athens has listed one of his talks on Dark matter and dark energy, delivered in March 2004, as the best cited among Aegean School talks.[14] He is also a recipient of the Homi Bhabha Medal (2014) of the Indian National Science Academy.[15]
Selected bibliography
Chapters
- Eleftherios Papantonopoulos; Varun Sahni (Chapter author) (7 January 2005). "Dark Matter and Dark Energy". The Physics of the Early Universe. Springer Science & Business Media. pp. 141–. ISBN 978-3-540-22712-0.
{{cite book}}:|author2=has generic name (help)
Articles
- Varun Sahni, Peter Coles (1995). "Approximation Methods for Non-linear Gravitational Clustering". Phys. Rep. 262 (1–2): 1–135. arXiv:astro-ph/9505005. Bibcode:1995PhR...262....1S. doi:10.1016/0370-1573(95)00014-8. S2CID 119442929.
- Varun Sahni (2005). "Dark Matter and Dark Energy". In E. Papantonopoulos (ed.). The Physics of the Early Universe. Lecture Notes in Physics. Vol. 653. pp. 141–180. Bibcode:2005LNP...653....3T. doi:10.1007/b99562. ISBN 978-3-540-22712-0.
- Varun Sahni (2006). "Dark Energy". Journal of Physics: Conference Series. 31 (1): 115–122. Bibcode:2006JPhCS..31..115S. doi:10.1088/1742-6596/31/1/020.
- Varun Sahni, Arman Shafieloo, Alexei A. Starobinsky (2008). "Two new diagnostics of dark energy". Phys. Rev. D. 78 (10): 103502. arXiv:0807.3548. Bibcode:2008PhRvD..78j3502S. doi:10.1103/PhysRevD.78.103502. S2CID 118452106.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - Varun Sahni (2014). "Ya. B. Zeldovich (1914-1987): Chemist, Nuclear Physicist, Cosmologist". Resonance. 16: 463–467. arXiv:1403.1537. Bibcode:2014arXiv1403.1537S.
See also
Notes
References
- ^ "Faculty". Inter-University Centre for Astronomy and Astrophysics. 2017-10-19. Retrieved 2017-10-19.
- ^ "Summary of faculty research interests". Inter-University Centre for Astronomy and Astrophysics. 2017-10-19. Archived from the original on 2010-06-11. Retrieved 2017-10-19.
{{cite web}}: CS1 maint: unfit URL (link) - ^ "Fellow profile". Indian Academy of Sciences. 2017-10-17. Retrieved 2017-10-17.
- ^ "INSA Year Book 2016" (PDF). Indian National Science Academy. 2017.
- ^ "NASI fellows". National Academy of Sciences, India. 2017.
- ^ "View Bhatnagar Awardees". Shanti Swarup Bhatnagar Prize. 2017-11-11. Retrieved 2017-11-11.
- ^ "Brief Profile of the Awardee". Shanti Swarup Bhatnagar Prize. 2017-10-17. Retrieved 2017-10-17.
- ^ "Indian fellow". Indian National Science Academy. 2017-10-17. Retrieved 2017-10-17.
- ^ "On ResearchGate". 2017-10-17. Retrieved 2017-10-17.
- ^ "Browse by Fellow". Indian Academy of Sciences. 2017-10-17. Retrieved 2017-10-17.
- ^ "IAU Members". International Astronomical Union. 2017-10-19. Retrieved 2017-10-19.
- ^ "Cosmology after the BOOMERANG experiment". Tata Institute of Fundamental Research. 2017-10-19. Retrieved 2017-10-19.
- ^ "Frontiers of Cosmology and Gravitation". International Centre for Theoretical Sciences. 2017-10-19. Retrieved 2017-10-19.
- ^ "Best-sited articles" (PDF). National Technical University of Athens. 2017-10-19. Retrieved 2017-10-19.
- ^ "Homi Jehangir Bhabha Medal". Indian National Science Academy. 2017-10-19. Retrieved 2017-10-19.
External links
- Asoke Nath Mitra (2009). India in the World of Physics: Then and Now. Pearson Education India. pp. 452–. ISBN 978-81-317-1579-6.
- Alfredo Macias; Francisco Uribe; Enrique Diaz (31 August 2002). Developments in Mathematical and Experimental Physics: Volume A: Cosmology and Gravitation. Springer Science & Business Media. pp. 121–. ISBN 978-0-306-47293-0.
- Varun Sahni (July 15, 2015). "My Life in Science" (YouTube video). Inter-University Centre for Astronomy and Astrophysics. Retrieved 2017-10-19.
- "A play directed by Professor Varun Sahni during the IUCAA Foundation day 2016" (YouTube video). Inter-University Centre for Astronomy and Astrophysics. March 23, 2017. Retrieved 2017-10-19.
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Categories:
- Recipients of the Shanti Swarup Bhatnagar Award in Physical Science
- Indian scientific authors
- 1956 births
- Fellows of the Indian Academy of Sciences
- Fellows of the Indian National Science Academy
- Fellows of The National Academy of Sciences, India
- Indian theoretical physicists
- Indian astrophysicists
- Living people