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E.C.G. Sudarshan

Confirmed Speakers

Speech's Title: TBA

Ennackal Chandy George Sudarshan (E.C.G. 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

Education
Sudarshan graduated with honours from the Madras Christian College in 1951. He did his master's at the University of Madras, India, in 1952. Then he moved to TIFR and worked there for a brief period with Dr. Homi Bhabha as well as others. Subsequently he moved to University of Rochester, New York with Robert Marshak as a graduate student. In 1958, he received his Ph. D. from the University of Rochester, New York.

Contributions
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 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.

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.

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.

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 at 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. He also met and held many discussions with philosopher J Krishnamurti.

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.

Awards
In 2007, Sudarshan was awarded the Padma Vibhushan by the Government of India, the highest civilian award after the Bharat Ratna.

  • Padma Vibhushan second highest civilian award from Government of India, 2007.
  • Padma Bhushan decoration by President of India, 1976.
  • First Prize in Physics, Third World Academy of Sciences, 1985.
  • Majorana Prize, 2006.

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