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Ennackal Chandy George Sudarshan (also known as E. C. G. Sudarshan; 16 September 1931 – 13 May 2018) [2] [3] was an Indian American [4] theoretical physicist and a professor at the University of Texas.
In quantum mechanics, the Gorini–Kossakowski–Sudarshan–Lindblad equation (GKSL equation, named after Vittorio Gorini, Andrzej Kossakowski, George Sudarshan and Göran Lindblad), master equation in Lindblad form, quantum Liouvillian, or Lindbladian is one of the general forms of Markovian master equations describing open quantum systems.
[4] The first rigorous and general derivation of the quantum Zeno effect was presented in 1974 by Antonio Degasperis, Luciano Fonda, and Giancarlo Ghirardi, [5] although it had previously been described by Alan Turing. [6] The comparison with Zeno's paradox is due to a 1977 article by Baidyanath Misra & E. C. George Sudarshan.
1989: (with R. Simon and George Sudarshan) "The theory of screws: a new geometric representation for the group SU(1,1"), Journal of Mathematical Physics 30(5): 1000–1006 doi:10.1063/1.528365 MR 0992568; 1989: (with R. Simon and George Sudarshan) "Hamilton's turns and a new geometrical representation for polarization optics", Pramana 32(6 ...
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It is named after George Sudarshan [4] and Roy J. Glauber, [5] who worked on the topic in 1963. [6] Despite many useful applications in laser theory and coherence theory, the Sudarshan–Glauber P representation has the peculiarity that it is not always positive, and is not a bona-fide probability function.
Shaji and Sudarshan argued in a Physical Review Letters paper that, upon close examination, complete positivity is not a requirement for a good representation of open quantum evolution. Their calculations show that, when starting with some fixed initial correlations between the observed system and the environment, the map restricted to the ...
I Can Read! is a line of beginning reading books published by HarperCollins.The series is rated by level and is widely used to teach children to read English. The first book in the series was Else Holmelund Minarik's Little Bear, published in 1957, and subsequent notable titles have included Amelia Bedelia and Frog and Toad.