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Encyclopedia > George Sudarshan
George Sudarshan
Sudarshan receiving First Prize in Physics from Third World Academy of Sciences in 1985
Born September 16, 1931
Pallam, Kottayam district, Kerala, India

Enchakkal Chandy George Sudarshan (September 16, 1931, Pallam, in Kottayam district of Kerala, India) is a prominent Indian-American physicist, author, and professor at the University of Texas at Austin. Image File history File linksMetadata Sudarshan. ... A prize is an award given to a person or a group of people to recognise and reward actions or achievements. ... The first few hydrogen atom electron orbitals shown as cross-sections with color-coded probability density. ... TWAS, the academy of sciences for the developing world -- until 2004 named Third World Academy of Sciences -- is a merit-based science academy uniting more than 750 scientists from 89 countries. ... September 16 is the 259th day of the year (260th in leap years). ... 1931 (MCMXXXI) was a common year starting on Thursday (link is to a full 1931 calendar). ... Pallam, is a small village, is situated near Kottayam town in Kerala, India District. ... Kottayam [in Malayalam:കോട്ടയം] is a small city in the state of Kerala in southern India. ...   (IPA: ; ) is a state on the Malabar Coast of southwestern India. ... September 16 is the 259th day of the year (260th in leap years). ... 1931 (MCMXXXI) was a common year starting on Thursday (link is to a full 1931 calendar). ... Pallam, is a small village, is situated near Kottayam town in Kerala, India District. ... Kottayam [in Malayalam:കോട്ടയം] is a small city in the state of Kerala in southern India. ...   (IPA: ; ) is a state on the Malabar Coast of southwestern India. ... The University of Texas at Austin, often called UT or Texas, is the flagship[3][4][5][6][7] institution of the University of Texas System. ...


Sudarshan graduated with honors from the Madras Christian College in 1951. He did his master's at the University of Madras, India, in 1952. In 1958, he received his Ph. D. from the University of Rochester, New York. The Madras Christian College, Chennai, South India, is one of the oldest colleges of the Indian subcontinent and was established in 1837. ... The University of Madras is one of the three oldest universities in India (along with University of Mumbai and University of Calcutta). ... The University of Rochester is a private, coeducational and nonsectarian research institution located in Rochester, New York. ...


Sudarshan has made significant contributions to several areas of physics. He was the originator (with Robert Marshak) of the V-A theory of the weak force (also done independently later by Richard Feynman and Murray Gell-Mann), which eventually paved the way for the electroweak theory. He also developed a quantum representation of coherent light, which is now known as the Sudarshan-Glauber representation. This page may meet Wikipedias criteria for speedy deletion. ... The weak nuclear force or weak interaction is one of the four fundamental forces of nature. ... Richard Phillips Feynman (May 11, 1918 in Queens, New York – February 15, 1988 in Los Angeles, California) (surname pronounced FINE-man; in IPA) was an influential American physicist known for expanding greatly on the theory of quantum electrodynamics, particle theory, and the physics of the superfluidity of supercooled liquid helium. ... Murray Gell-Mann (born September 15, 1929 in Manhattan, New York City, USA) is an American physicist who received the 1969 Nobel Prize in physics for his work on the theory of elementary particles. ... In physics, a quantum refers to an indivisible, and perhaps, elementary entity. ... Coherent waves. ... The Glauber-Sudarshan P-Representation is a way of writing down the state of any type of light using the coherent states as a basis. ...


Sudarshan's most significant work might be his contribution to the field of quantum optics. His theorem proves the equivalence of classical wave optics to quantum optics. The theorem makes use of the Sudarshan-Glauber representation. This representation also predicts optical effects that are purely quantum, and cannot be explained classically. Quantum optics is a field of research in physics, dealing with the application of quantum mechanics to phenomena involving light and its interactions with matter. ...


Sudarshan has made significant contributions to many other fields of physics. He was the first to propose the existence of tachyons, particles that travel faster than light. He developed formalism called dynamical maps that is one of the most fundamental formalism to study the theory of open quantum system. He, in collaboration with Baidyanaith Misra, also proposed the quantum Zeno effect. A tachyon (from the Greek takhús, meaning swift, fast) is any hypothetical particle that travels at superluminal velocity. ... In physics, an open quantum system is a quantum system which is found to be in interaction with an external quantum system, the environment. ... The quantum Zeno effect is a quantum mechanical phenomenon first described by George Sudarshan and Baidyanaith Misra of the University of Texas in 1977. ...


He has taught at the Tata Institute of Fundamental Research (TIFR), University of Rochester, Syracuse University, and Harvard. From 1969 onwards, he has been a Professor of Physics at the University of Texas, Austin and a Senior Professor at the Indian Institute of Science.He worked as the Director of The Institute of Mathematical Sciences (IMSc), Chennai, India for five years during the 1980s dividing his time between India and USA. During his tenure, he transformed it into a centre of excellence. Tata Institute of Fundamental Research (TIFR) is the foremost research institute in India. ... Syracuse University (SU) is a private research university located in Syracuse, New York. ... Harvard University is a private university in Cambridge, Massachusetts, USA, and a member of the Ivy League. ... The Indian Institute of Science (IISc) is a premier post-graduate institution of research and higher learning located in Bangalore, India. ...


His areas of interest include elementary particle physics, quantum optics, quantum information, quantum field theory, gauge field theories, classical mechanics and foundations of physics. He is also deeply interested in Vedanta, on which he lectures frequently. Particle physics is a branch of physics that studies the elementary constituents of matter and radiation, and the interactions between them. ... Quantum optics is a field of research in physics, dealing with the application of quantum mechanics to phenomena involving light and its interactions with matter. ... In quantum mechanics, quantum information is physical information that is held in the state of a quantum system. ... Quantum field theory (QFT) is the application of quantum mechanics to fields. ... Gauge theories are a class of physical theories based on the idea that symmetry transformations can be performed locally as well as globally. ... Classical mechanics is a branch of physics which studies the deterministic motion of objects. ... Vedanta (Devanagari: , ) is a school of philosophy within Hinduism. ...


There was a controversy involving Sudarshan and the Nobel Prize in Physics for 2005. Several physicists wrote a letter to the Swedish Academy, protesting that Sudarshan should have been awarded a share of the Prize for the Sudarshan-Glauber representation (or Sudarshan diagonal representation) in quantum optics, for which Roy J. Glauber won his share of the the prize. Because the terms of Alfred Nobel's will restrict the number of Nobel Prize winners to three in a given year, the Nobel Committee has often been criticized for allegedly ignoring scientists who did seminal work on a topic while awarding a prize to other scientists for the same topic. Since the first award of the Nobel Prizes in 1901, they have generated criticism and engendered much controversy. ... Hannes Alfvén (1908–1995) accepting the Nobel Prize for his work on magnetohydrodynamics [1]. List of Nobel Prize laureates in Physics from 1901 to the present day. ... Roy Jay Glauber (born 1 September 1925) is the Mallinckrodt Professor of Physics at Harvard University and Adjunct Professor of Optical Sciences at the University of Arizona. ...   (October 21, 1833, Stockholm, Sweden—December 10, 1896, Sanremo, Italy) was a Swedish chemist, engineer, innovator, armaments manufacturer and the inventor of dynamite. ...


Bibliography

  • Doubt and Certainty with Tony Rothman
  • Classical Dynamics with N. Mukunda
  • Fundamentals of Quantum Optics with John Klauder
  • Introduction to Elementary Particle Physics with Robert Marshak
  • From Classical to Quantum Mechanics: An Introduction to the Formalism, Foundations and Applications with Giampiero Esposito and Giuseppe Marmo

Tony Rothman (b. ... This page may meet Wikipedias criteria for speedy deletion. ...

Awards

The Padma Bhushan is an Indian civilian decoration established on January 2, 1954 by the President of India. ... A prize is an award given to a person or a group of people to recognise and reward actions or achievements. ... The first few hydrogen atom electron orbitals shown as cross-sections with color-coded probability density. ... TWAS, the academy of sciences for the developing world -- until 2004 named Third World Academy of Sciences -- is a merit-based science academy uniting more than 750 scientists from 89 countries. ...

See also

In physics, an open quantum system is a quantum system which is found to be in interaction with an external quantum system, the environment. ... Quantum optics is a field of research in physics, dealing with the application of quantum mechanics to phenomena involving light and its interactions with matter. ... The quantum Zeno effect is a quantum mechanical phenomenon first described by George Sudarshan and Baidyanaith Misra of the University of Texas in 1977. ... A tachyon (from the Greek takhús, meaning swift, fast) is any hypothetical particle that travels at superluminal velocity. ... The weak nuclear force or weak interaction is one of the four fundamental forces of nature. ...

External links

  • Home page with vita and publications
  • [1] Publications on ArXiv
  • [2] Collected works
  • ECG Sudarshan on Keral.com
  • Harvard Crimson account of 2005 Nobel Prize in Physics controversy

arXiv (pronounced archive, as if the X were the Greek letter χ) is an archive for electronic preprints of scientific papers in the fields of physics, mathematics, computer science and biology which can be accessed via the internet. ...

References

  • Phys. Rev. Lett. 10, 277-279 (1963)

  Results from FactBites:
 
George Sudarshan at AllExperts (483 words)
Ennakkal Chandy George Sudarshan (September 16, 1931, Pallam, in Kottayam district of Kerala) is a prominent Indian-American physicist, author, and professor at the University of Texas at Austin.
Sudarshan's most significant work might be his contribution to the field of quantum optics.
A representation was made to the Swedish Academy by several leading physicists that Sudarshan should have been awarded a share of the Prize for the Sudarshan-Glauber representation (or Sudarshan diagonal representation) in quantum optics for which Roy J. Glauber won the prize.
Reference.com/Encyclopedia/George Sudarshan (589 words)
Ennackal Chandy George Sudarshan (September 16, 1931, Pallam, in Kottayam district of Kerala, India) is a prominent Indian-American physicist, author, and professor at the University of Texas at Austin.
Several physicists wrote a letter to the Swedish Academy, protesting that Sudarshan should have been awarded a share of the Prize for the Sudarshan-Glauber representation (or Sudarshan diagonal representation) in quantum optics, for which Roy J. Glauber won his share of the the prize.
In 2007, Sudarshan was awarded the Padma Vibhushan by the Government of India, the highest civilian award after the Bharat Ratna.
  More results at FactBites »

 
 

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