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词条 Surajit Sen
释义

  1. References

Surajit Sen (born November 28, 1960 in Calcutta (modern name Kolkata) in India) is a physicist who works on theoretical and computational problems in non-equilibrium statistical physics and in nonlinear dynamics of many body systems. He holds a Ph.D in physics from The University of Georgia (1990) where he studied with M. Howard Lee. He is also interested in applying physics to study problems of relevance in a societal context. He is a professor of physics at the State University of New York, Buffalo.[1]

Sen is credited with developing an exact solution for the Heisenberg equation of motion in a quantum mechanical many body system in 1991.[2] His studies include work on how solitary waves travel in alignments of elastic beads,[3] on how they interact with one another and how these systems[4][5][6] tend to reach an equilibrium-like state where equipartitioning of energy is not respected, which he called the quasi-equilibrium state.[7] Suggestion of a similar state was made soon thereafter by Berges et al.[8] Recently, Neyenhuis et al[9] may have found some experimental evidence of this quasi-equilibrium/prethermalization state.

Recently, his group has also shown how the energy equipartitioned state may in fact be realized in these systems.[10] In 1997, he investigated the possible use of sound bursts in detecting buried small landmines.[11][12][13] In 2001, he introduced the tapered granular chain impact dispersion system,[14] which has since been extensively probed.[15][16][17][18] Sen has recently suggested that nonlinear systems may be used to extract mechanical energy from noisy environments and make them into useful energy.[19] Sen's group has used cellular automata based simulations to model land battles between an insurgent army and an intelligent army[20] and used molecular dynamics based simulations to examine the social structure of chimpanzee colonies.[21]

Sen was elected as a Fellow[22] of the American Physical Society[23] in 2008,[24] for the discovery of how solitary waves break and secondary solitary waves form in granular media, for his leadership in organizing forums to represent and recognize the physicists from India and for raising consciousness about the problems and the importance of rural science education in India and the developing world. He was also elected as a Fellow of the American Association for the Advancement of Science in 2012[25] for pioneering research on solitary waves and their collisions in granular media and for sustained outstanding service and leadership in international physics.[26]

References

1. ^{{Cite web|url=http://www.buffalo.edu/|title=Welcome to the University at Buffalo - University at Buffalo|website=www.buffalo.edu|language=en|access-date=2017-06-22}}
2. ^{{Cite journal|last=Sen|first=Surajit|date=1991-10-01|title=Exact solution of the Heisenberg equation of motion for the surface spin in a semi-infinite S=1/2 XY chain at infinite temperatures|journal=Physical Review B|volume=44|issue=14|pages=7444–7450|doi=10.1103/PhysRevB.44.7444|bibcode=1991PhRvB..44.7444S}}
3. ^{{Cite journal|last=Sen|first=Surajit|last2=Manciu|first2=Marian|last3=Wright|first3=James D.|date=1998-02-01|title=Solitonlike pulses in perturbed and driven Hertzian chains and their possible applications in detecting buried impurities|journal=Physical Review E|volume=57|issue=2|pages=2386–2397|doi=10.1103/PhysRevE.57.2386|bibcode=1998PhRvE..57.2386S}}
4. ^{{Cite journal|last=Manciu|first=Marian|last2=Sen|first2=Surajit|last3=Hurd|first3=Alan J.|date=2000-12-27|title=Crossing of identical solitary waves in a chain of elastic beads|journal=Physical Review E|volume=63|issue=1|pages=016614|doi=10.1103/PhysRevE.63.016614|pmid=11304385|bibcode=2001PhRvE..63a6614M}}
5. ^{{Cite journal|last=Manciu|first=Felicia S.|last2=Sen|first2=Surajit|date=2002-07-30|title=Secondary solitary wave formation in systems with generalized Hertz interactions|journal=Physical Review E|volume=66|issue=1|pages=016616|doi=10.1103/PhysRevE.66.016616|pmid=12241509|bibcode=2002PhRvE..66a6616M}}
6. ^{{Cite news|url=https://phys.org/news/2005-05-physicists-undetectable-baby-solitary.html|title=Physicists detect the undetectable: 'baby' solitary waves|access-date=2017-06-23}}
7. ^{{Cite journal|last=Sen|first=Surajit|last2=Krishna Mohan|first2=T. R.|last3=M.M. Pfannes|first3=Jan|date=2004-10-15|title=The quasi-equilibrium phase in nonlinear 1D systems|url=http://www.sciencedirect.com/science/article/pii/S0378437104005114|journal=Physica A: Statistical Mechanics and its Applications|series=Proceedings of the VIII Latin American Workshop on Nonlinear Phenomena|volume=342|issue=1|pages=336–343|doi=10.1016/j.physa.2004.04.092|bibcode=2004PhyA..342..336S}}
8. ^{{Cite journal|last=Berges|first=J.|last2=Borsányi|first2=Sz.|last3=Wetterich|first3=C.|date=2004-09-28|title=Prethermalization|journal=Physical Review Letters|volume=93|issue=14|pages=142002|doi=10.1103/PhysRevLett.93.142002|pmid=15524783|arxiv=hep-ph/0403234|bibcode=2004PhRvL..93n2002B}}
9. ^{{Cite journal|last=Neyenhuis|first=Brian|last2=Zhang|first2=Jiehang|last3=Hess|first3=Paul W.|last4=Smith|first4=Jacob|last5=Lee|first5=Aaron C.|last6=Richerme|first6=Phil|last7=Gong|first7=Zhe-Xuan|last8=Gorshkov|first8=Alexey V.|last9=Monroe|first9=Christopher|date=2017-08-01|title=Observation of prethermalization in long-range interacting spin chains|url=http://advances.sciencemag.org/content/3/8/e1700672|journal=Science Advances|language=en|volume=3|issue=8|pages=e1700672|doi=10.1126/sciadv.1700672|pmid=28875166|pmc=5573308|issn=2375-2548|arxiv=1608.00681|bibcode=2017SciA....3E0672N}}
10. ^{{Cite journal|last=Przedborski|first=Michelle|last2=Sen|first2=Surajit|last3=Harroun|first3=Thad A.|date=2017-03-06|title=Fluctuations in Hertz chains at equilibrium|journal=Physical Review E|volume=95|issue=3|pages=032903|doi=10.1103/PhysRevE.95.032903|pmid=28415183|arxiv=1605.08970|bibcode=2017PhRvE..95c2903P}}
11. ^{{Citation|title=System for detection of buried objects|date=Jul 9, 2002|url=http://www.google.com/patents/US6418081|inventor-last=Sen|inventor2-last=Naughton|inventor-first=Surajit|inventor2-first=Michael J.|issue=US6418081 B1|accessdate=2017-06-22}}
12. ^{{Cite web|url=http://buffalonews.com/1997/12/07/ub-researchers-hope-shocking-work-leads-to-way-to-sound-out-land-mines/|title=UB RESEARCHERS HOPE SHOCKING WORK LEADS TO WAY TO SOUND OUT LAND MINES|date=1997-12-07|website=The Buffalo News|access-date=2017-06-22}}
13. ^{{Cite journal|last=Sen|first=Surajit|last2=Manciu|first2=Marian|last3=Sinkovits|first3=Robert S.|last4=Hurd|first4=Alan J.|date=2001-01-01|title=Nonlinear acoustics in granular assemblies|journal=Granular Matter|language=en|volume=3|issue=1–2|pages=33–39|doi=10.1007/s100350000067|issn=1434-5021}}
14. ^{{Cite journal|last=Sen|first=Surajit|last2=Manciu|first2=Felicia S.|last3=Manciu|first3=Marian|date=2001-10-15|title=Thermalizing an impulse|url=http://www.sciencedirect.com/science/article/pii/S0378437101003405|journal=Physica A: Statistical Mechanics and its Applications|volume=299|issue=3|pages=551–558|doi=10.1016/S0378-4371(01)00340-5|bibcode=2001PhyA..299..551S}}
15. ^{{Cite journal|last=Rosas|first=Alexandre|last2=Lindenberg|first2=Katja|date=2004-03-31|title=Pulse velocity in a granular chain|journal=Physical Review E|volume=69|issue=3|pages=037601|doi=10.1103/PhysRevE.69.037601|arxiv=cond-mat/0309070|bibcode=2004PhRvE..69c7601R}}
16. ^{{Cite journal|last=Nakagawa|first=Masami|last2=Agui|first2=Juan H.|last3=Wu|first3=David T.|last4=Extramiana|first4=David Vivanco|date=2003-02-01|title=Impulse dispersion in a tapered granular chain|journal=Granular Matter|language=en|volume=4|issue=4|pages=167–174|doi=10.1007/s10035-002-0119-1|issn=1434-5021}}
17. ^{{Cite journal|last=Doney|first=Robert L.|last2=Agui|first2=Juan H.|last3=Sen|first3=Surajit|date=2009-09-15|title=Energy partitioning and impulse dispersion in the decorated, tapered, strongly nonlinear granular alignment: A system with many potential applications|journal=Journal of Applied Physics|volume=106|issue=6|pages=064905–064905–13|doi=10.1063/1.3190485|issn=0021-8979|bibcode=2009JAP...106f4905D}}
18. ^{{Cite journal|last=Harbola|first=Upendra|last2=Rosas|first2=Alexandre|last3=Romero|first3=Aldo H.|last4=Lindenberg|first4=Katja|date=2010-07-26|title=Pulse propagation in randomly decorated chains|journal=Physical Review E|volume=82|issue=1|pages=011306|doi=10.1103/PhysRevE.82.011306|pmid=20866610|bibcode=2010PhRvE..82a1306H}}
19. ^{{Cite web|url=https://www.nsf.gov/news/news_summ.jsp?cntn_id=121188|title=Research Outlines Math Framework That Could Help Convert 'Junk' Energy Into Useful Power {{!}} NSF - National Science Foundation|website=www.nsf.gov|language=en|access-date=2017-06-23}}
20. ^{{Cite journal|last=Westley|first=Alexandra|last2=De Meglio|first2=Nicholas|last3=Hager|first3=Rebecca|last4=Mok|first4=Jorge Wu|last5=Shanahan|first5=Linda|last6=Sen|first6=Surajit|date=2017-03-23|title=Study of simple land battles using agent-based modeling: Strategy and emergent phenomena|journal=International Journal of Modern Physics B|volume=31|issue=10|pages=1742002|doi=10.1142/S0217979217420024|issn=0217-9792|bibcode=2017IJMPB..3142002W}}
21. ^{{Cite book|title=Nature's Longest Threads|last=Westley|first=Matthew|last2=Sen|first2=Surajit|last3=Sinha|first3=Anindya|date=2014-05-07|publisher=WORLD SCIENTIFIC|isbn=9789814612463|pages=81–102|doi=10.1142/9789814612470_0009}}
22. ^{{Cite web|url=https://www.aps.org/programs/honors/fellowships/|title=APS Fellowship|website=www.aps.org|language=en|access-date=2017-04-20}}
23. ^{{Cite web|url=https://www.aps.org/programs/honors/fellowships/archive-all.cfm?initial=&year=&unit_id=&institution=|title=APS Fellow Archive|website=www.aps.org|language=en|access-date=2017-04-20}}
24. ^{{Cite web|url=https://www.aps.org/programs/honors/fellowships/archive-all.cfm?initial=&year=2008&unit_id=&institution=|title=APS Fellows 2008|last=|first=|date=|website=www.aps.org|language=en|archive-url=|archive-date=|dead-url=|access-date=2017-04-20}}
25. ^{{Cite news|url=https://www.aaas.org/news/aaas-members-elected-fellows-2|title=AAAS Members Elected as Fellows|date=2012-11-30|work=AAAS - The World's Largest General Scientific Society|access-date=2017-06-22|language=en}}
26. ^{{Cite journal|last=Science|first=American Association for the Advancement of|date=2012-11-30|title=AAAS News and Notes|url=http://science.sciencemag.org/content/338/6111/1166|journal=Science|language=en|volume=338|issue=6111|pages=1166–1171|doi=10.1126/science.338.6111.1166|issn=0036-8075}}
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