Howard Georgi
{{Short description|American theoretical physicist (born 1947)}}
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{{Infobox scientist
| name = Howard Georgi
| birth_name = Howard Mason Georgi III
| birth_date = {{birth date and age|df=yes|1947|01|06}}
| birth_place = San Bernardino, California, U.S.{{cite web|title=Howard Georgi|url=http://www.aip.org/history/acap/biographies/bio.jsp?georgih|publisher=American Institute of Physics, Center for History of Physics|accessdate=11 June 2013|archive-url=https://web.archive.org/web/20160306013235/https://www.aip.org/history/acap/biographies/bio.jsp?georgih|archive-date=6 March 2016|url-status=dead}}
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| known_for = {{plainlist |
- Georgi–Glashow model
- Georgi–Jarlskog mass relation
- De Rujula–Georgi–Glashow quark model
- Composite Higgs models
- Dimensional deconstruction
- Heavy quark effective theory
- Little Higgs
- SO(10)
- Soft SUSY breaking
- Unparticle physics
- Trinification
}}
| fields = {{plainlist |
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| awards = {{Plainlist|
- Sakurai Prize {{small|(1995)}}
- Dirac Medal {{small|(2000)}}
- Pomeranchuk Prize {{small|(2006)}}
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| doctoral_advisor = Charles M. Sommerfield
| doctoral_students = {{Plainlist|
- Sally Dawson
- Edward Farhi
- John Hagelin
- Lawrence John Hall
- David B. Kaplan
- Dean Lee
- Ann Nelson
- Lisa Randall
}}
| website =
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Howard Mason Georgi III (born January 6, 1947 in San Bernardino) is an American theoretical physicist and the Mallinckrodt Professor of Physics and Harvard College Professor at Harvard University. He is also director of undergraduate studies in physics. He was co-master and then faculty dean of Leverett House with his wife, Ann Blake Georgi, from 1998 to 2018. His early work was in Grand Unification and gauge coupling unification within SU(5) and SO(10) groups (see Georgi–Glashow model).
Education
Georgi graduated from Pingry School in 1964,[https://www.pingry.org/uploaded/Student_Life/Publications/Review/review-summer2012.pdf Class Notes], The Pingry Review, Summer 2012. Accessed March 14, 2022. "1964... Howard Georgi writes, 'Still teaching physics at Harvard'" graduated from Harvard College in 1967 and obtained his Ph.D. from Yale University in 1971. He was junior fellow in the Harvard Society of Fellows (1973–1976) and a senior fellow from (1982–1998).
Career
In early 1974 Georgi (with Sheldon Glashow) published the first grand unified theory (GUT), the Minimal SU(5) Georgi–Glashow model.Georgi, Howard & Glashow, Sheldon (1974). "Unity of All Elementary-Particle Forces". Physical Review Letters. 32 (8): 438 Georgi independently (alongside
Harald Fritzsch and Peter Minkowski) published a minimal SO(10) GUT model in 1974.Howard Georgi, "The state of the art—gauge theories" Particles and Fields 1974, ed. Carl E. Carlson
Georgi proposed an SU(5) GUT model with softly broken supersymmetry with Savas Dimopoulos in 1981. This paper is one of the foundational works for the supersymmetric Standard Model (MSSM). After the measurements of the three Standard Model gauge couplings at LEP I in 1991, it was shown that particle content of the MSSM, in contrast to the Standard Model alone, led to precision gauge coupling unification.
He has since worked on several different areas of physics including composite Higgs models, heavy quark effective theory, dimensional deconstruction, little Higgs,{{cite web|title=Pomeranchuk Prize Winners 2006|url=http://www.itep.ru/eng/ppw2006.html|publisher=Alikhanov Institute for Theoretical and Experimental Physics (ITEP)|accessdate=11 June 2013|url-status=dead|archiveurl=https://web.archive.org/web/20160224231457/http://www.itep.ru/eng/ppw2006.html|archivedate=24 February 2016}} and unparticle theories.
Unparticle physics is a theory that there exists matter that cannot be explained in terms of particles, because its components are scale invariant. Howard Georgi proposed this theory in the spring of 2007 in the papers "Unparticle Physics" and "Another Odd Thing About Unparticle Physics".Howard Georgi, "[https://arxiv.org/abs/hep-ph/0703260 Unparticle Physics]", 23 March 2007 (accessed 29 January 2007).Howard Georgi, "[https://arxiv.org/abs/0704.2457 Another Odd Thing About Unparticle Physics]", 19 April 2008 (accessed 29 January 2008).
Together with Vadim Kuzmin, Georgi received the Pomeranchuk Prize of the Alikhanov Institute for Theoretical and Experimental Physics (ITEP) in 2006.
Georgi has published several books, one of which is Lie Algebras in Particle Physics published by World Scientific. He has also published The Physics of Waves and Weak Interactions and Modern Particle Theory.
Honors
In 1995 he was elected to the National Academy of Sciences and received the Sakurai Prize; in 2000 he shared the Dirac Medal with Jogesh Pati and Helen Quinn.{{cite web|title=Dirac Medallists 2000|url=http://www.ictp.it/about-ictp/prizes-awards/the-dirac-medal/the-medallists-%281%29/dirac-medallists-2000.aspx|publisher=Abdus Salam International Centre for Theoretical Physics|accessdate=11 June 2013|archive-date=August 10, 2014|archive-url=https://web.archive.org/web/20140810172840/http://www.ictp.it/about-ictp/prizes-awards/the-dirac-medal/the-medallists-(1)/dirac-medallists-2000.aspx|url-status=dead}}
References
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External links
- [http://fas.harvard.edu/~hgeorgi/ Personal home page]{{Dead link|date=April 2022 |bot=InternetArchiveBot |fix-attempted=yes }}
- [http://www.physics.harvard.edu/people/facpages/georgi.html Department home page] {{Webarchive|url=https://web.archive.org/web/20091114051249/http://www.physics.harvard.edu/people/facpages/georgi.html |date=November 14, 2009 }}
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Category:Members of the United States National Academy of Sciences
Category:21st-century American physicists
Category:Harvard College alumni
Category:Yale University alumni
Category:Harvard University faculty
Category:J. J. Sakurai Prize for Theoretical Particle Physics recipients