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| awards = {{ublist| 1981 [[Shanti Swarup Bhatnagar Prize]] | 2003 [[Indian Science Congress Association|ISCA]] S. N. Bose Birth Centenary Gold Medal }}
| awards = {{ublist| 1981 [[Shanti Swarup Bhatnagar Prize]] | 2003 [[Indian Science Congress Association|ISCA]] S. N. Bose Birth Centenary Gold Medal }}
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'''Shasanka Mohan Roy''' (born 2 September 1941) is an Indian [[quantum physicist]] and a [[Raja Ramanna]] fellow of the [[Department of Atomic Energy]] at the School of Physical Sciences of [[Jawaharlal Nehru University]]. He is also a former chair of the ''Theoretical Physics Group Committee'' at [[Tata Institute of Fundamental Research]]. Known for developing ''Exact Integral Equation'' on ''pion-pion dynamics'', also called ''Roy's equations'', and his work on [[Bell's theorem|Bell inequalities]], Roy is an elected fellow of all the three major Indian science academies – [[Indian Academy of Sciences]], [[Indian National Science Academy]], and [[National Academy of Sciences, India]] – as well as [[The World Academy of Sciences]]. 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 1981.<ref name="View Bhatnagar Awardees">{{cite web | url=http://ssbprize.gov.in/Content/AwardeeList.aspx | title=View Bhatnagar Awardees | publisher=Shanti Swarup Bhatnagar Prize | date=2016 | accessdate=12 November 2016}}</ref>{{Refn|group=note|Long link – please select award year to see details}}
'''Shasanka Mohan Roy''' (born 2 September 1941) is an Indian [[quantum physicist]] and a [[Raja Ramanna]] fellow of the [[Department of Atomic Energy]] at the School of Physical Sciences of [[Jawaharlal Nehru University]]. He is also a former chair of the ''Theoretical Physics Group Committee'' at [[Tata Institute of Fundamental Research]]. Known for developing ''Exact Integral Equation'' on ''pion-pion dynamics'', also called ''Roy's equations'', and his work on [[Bell's theorem|Bell inequalities]], Roy is an elected fellow of all the three major Indian science academies – [[Indian Academy of Sciences]], [[Indian National Science Academy]], and [[National Academy of Sciences, India]] – as well as [[The World Academy of Sciences]]. The [[Council of Scientific and Industrial Research]], the apex agency of the Government of India for scientific research, awarded Roy the [[Shanti Swarup Bhatnagar Prize for Science and Technology]], one of the highest Indian science awards, for his contributions to Physical Sciences in 1981.<ref name="View Bhatnagar Awardees">{{cite web | url=http://ssbprize.gov.in/Content/AwardeeList.aspx | title=View Bhatnagar Awardees | publisher=Shanti Swarup Bhatnagar Prize | date=2016 | accessdate=12 November 2016}}</ref>{{Refn|group=note|Long link – please select award year to see details}}


== Biography ==
== Biography ==

Revision as of 11:00, 28 December 2020

Shasanka Mohan Roy
Born (1941-09-02) 2 September 1941 (age 83)
Delhi, India
NationalityIndian
Alma mater
Known for
  • Roy's equations
  • Roy-Singh bounds
Awards
Scientific career
Fields
Institutions

Shasanka Mohan Roy (born 2 September 1941) is an Indian quantum physicist and a Raja Ramanna fellow of the Department of Atomic Energy at the School of Physical Sciences of Jawaharlal Nehru University. He is also a former chair of the Theoretical Physics Group Committee at Tata Institute of Fundamental Research. Known for developing Exact Integral Equation on pion-pion dynamics, also called Roy's equations, and his work on Bell inequalities, Roy is an elected fellow of all the three major Indian science academies – Indian Academy of Sciences, Indian National Science Academy, and National Academy of Sciences, India – as well as The World Academy of Sciences. The Council of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded Roy the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards, for his contributions to Physical Sciences in 1981.[1][note 1]

Biography

Tata Institute for Fundamental Research

Roy, born on 2 September 1941 in the Indian capital of Delhi, did his early college studies at Delhi University from where he earned a BSc (hons) in 1960 and an MSc in 1962.[2] Subsequently, he moved to the US on a union territories overseas scholarship for his doctoral studies at Princeton University and after securing a PhD in 1966, he did his post-doctoral work at the University of California, San Diego from 1966 to 1967.[3] On his return to India, he joined Tata Institute of Fundamental Research in 1967 to commence an association which would last close to four decades and during this period, he chaired the Theoretical Physics Group Committee of the institution from 1992 to 1997. He was serving as a senior professor at the time of his superannuation in 2006. Post retirement from regular service, he joined Jawaharlal Nehru University as a Raja Ramanna fellow of the Department of Atomic Energy at the School of Physical Sciences. He also held visiting faculty positions at a number of institutions abroad which included four stints at European Organization for Nuclear Research (CERN) and one each at Saclay Nuclear Research Centre, University of Lausanne, Syracuse University, University of Alberta, University of Kaiserslautern and University of York.[3]

Roy is married to Nandita and the couple has two children, Arunabha and Aditi.[3] The family lives in Vashi, one of the nodes of Navi Mumbai in Maharashtra.[4]

Legacy

EPR paradox illustration

Roy's research was principally based on pion dynamics and hadron interactions.[5] His work on axiomatic quantum field theory assisted him to develop an exact integral equation which later came to be known as Roy's equations, and many scientists opined that the equation helped in pion–pion data analysis.[6] He furthered the studies of Andre Martin on high-energy bounds and the observations of John Stewart Bell regarding Einstein-Podolsky-Rosen paradox; his work on the former resulted in the development of Roy-Singh bounds (unitarity bounds on high-energy cross sections) and the studies on the latter evolved into Roy-Singh multiparticle Bell inequalities and Auberson-Mahoux-Roy-Singh Bell inequalities.[2] He developed the theme further by proposing Roy's multipartite separability inequalities. Another area of his research was the Chandrasekhar limit and the critical mass of boson systems, and he collaborated with Andre Martin to propose a proof for the relativistic collapse of Mcr critical mass. Dhar-Grover-Roy super-Zeno algorithm, for use in suppressing the transitions of a quantum mechanical system,[7] Roy-Braunstein's quantum metrology, a precision measurement protocol,[8] and his elucidation of Pomeranchuk's theorem and its violations are some of his other major contributions.[9] His studies have been documented by way of a number of articles[10][note 2] and ResearchGate, an online repository of scientific articles, has listed 105 of them.[11] Besides, he has published a book, Advances in High Energy Physics,[12] along with Virendra Singh, and his work has drawn citations from other scientists.[13][14]

Roy initiated the Theoretical Physics Seminar Circuit (TPSC) of the Department of Science and Technology (DST) at Tata Institute of Fundamental Research.[2] He has conducted lecture courses for DST at CSIR-Structural Engineering Research Centre institutions and served as the expert member at the senate of the Indian Institute of Technology, Bombay in 1997. He was the principal Indian investigator of the Indo-French Centre for the Promotion of Advanced Research (IFCPAR/CEFIPRA)-funded project on Rigorous Results on Schroedinger Equations and Foundations of Quantum Theory and Applications to Particle physics and Astrophysics during 1999–2002.[3]

Awards and honors

The Council of Scientific and Industrial Research awarded Roy the Shanti Swarup Bhatnagar Prize, one of the highest Indian science awards in 1981'[15] The Indian Academy of Sciences elected him as a fellow in 1982[16] and he became of fellow of the Indian National Science Academy in 1989.[17] The other major Indian science academy, National Academy of Sciences, India made him their fellow in 1993[18] and The World Academy of Sciences elected him as a fellow in 2002.[19] In 2003, Indian Science Congress Association selected him for the S. N. Bose Birth Centenary Gold Medal.[2]

Selected bibliography

Books

  • S. M. Roy; Virendra Singh (1973). Advances in High Energy Physics. Tata Institute of Fundamental Research.

Articles

See also

Notes

  1. ^ Long link – please select award year to see details
  2. ^ Please see Selected bibliography section

References

  1. ^ "View Bhatnagar Awardees". Shanti Swarup Bhatnagar Prize. 2016. Retrieved 12 November 2016.
  2. ^ a b c d "Indian fellow". Indian National Science Academy. 2017.
  3. ^ a b c d "Curriculum vitae on TIFR" (PDF). Tata Institute of Fundamental Research. 2017.
  4. ^ "NASI fellows". National Academy of Sciences, India. 2017.
  5. ^ "Brief Profile of the Awardee". Shanti Swarup Bhatnagar Prize. 2017. Retrieved 12 November 2016.
  6. ^ "Research Highlights" (PDF). Tata Institute of Fundamental Research. 2017.
  7. ^ Deepak Dhar, Lov K. Grover, Shasanka M. Roy (2006). "Preserving Quantum States : A Super-Zeno Effect". Physical Review Letters. 96 (10): 100405. Bibcode:2006PhRvL..96j0405D. doi:10.1103/PhysRevLett.96.100405. PMID 16605715.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  8. ^ S. M. Roy, Samuel L. Braunstein (2008). "Exponentially Enhanced Quantum Metrology". Physical Review Letters. 100 (22). arXiv:quant-ph/0607152. Bibcode:2008PhRvL.100v0501R. doi:10.1103/PhysRevLett.100.220501. PMID 18643409. S2CID 7979719.
  9. ^ "Handbook of Shanti Swarup Bhatnagar Prize Winners" (PDF). Council of Scientific and Industrial Research. 1999.
  10. ^ "Browse by Fellow". Indian Academy of Sciences. 2017.
  11. ^ "On ResearchGate". 2017.
  12. ^ S. M. Roy; Virendra Singh (1973). Advances in High Energy Physics. Tata Institute of Fundamental Research.
  13. ^ T.Y. Lam (17 May 2010). Serre's Problem on Projective Modules. Springer Science & Business Media. pp. 366–. ISBN 978-3-540-34575-6.
  14. ^ Asoke Nath Mitra (2009). India in the World of Physics: Then and Now. Pearson Education India. pp. 78–. ISBN 978-81-317-1579-6.
  15. ^ "CSIR list of Awardees". Council of Scientific and Industrial Research. 2017.
  16. ^ "Fellow profile". Indian Academy of Sciences. 2017.
  17. ^ "INSA Year Book 2016" (PDF). Indian National Science Academy. 2017.
  18. ^ "NASI Year Book 2015" (PDF). National Academy of Sciences, India. 2017.
  19. ^ "TWAS fellow". The World Academy of Sciences. 2017.
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