ECG Sudarshan passed away on Monday, May 16, 2018 at the age of 86 in Texas, USA. He was the most brilliant theoretical physicist of Indian origin of the century. His researchspanned a wide range of topics like Particle Physics, Quantum Optics, Quantum Field Theory, Quantum Information Theory, Gauge Theories and Classical Mechanics and in each of themhe could make unique contributions. He has been credited with numerous important inventions in the field of Theoretical Physics including Optical Coherence, Sudarshan-Glauber Representation, V-A Theory, Tachyons, Quantum Zeno Effect, Open Quantum System, Spin-statistics Theorem, Non-invariance Groups, Positive Maps of Density Matrices, Quantum Computation etc. His contributions include also on subjects like Orientalia, cultural studies, philosophy and religion. This is a brief account of Iris life and works in remembrance.
Theoretical Physics, Quantum Optics, Quantum Computation, Quantum Information Theory, Open Quantum System, Sudarshan-Glauber Representation, V-A Theory, Tachyons, Spin-Statistics Theorem
