35 citations · 96 across the 26 of their papers we have counts for
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quant-ph2014★ 3 cited
Optimal quantum tomography with constrained elementary measurements arising from unitary bases
S. Chaturvedi, Sibasish Ghosh, K. R. Parthasarathy +1
The purpose of this paper is to introduce techniques of obtaining optimal ways to determine a d-level quantum state or distinguish such states. It entails designing constrained ele…
quant-ph2014
Symplectic Dilations, Gaussian States and Gaussian Channels
K. R. Parthasarathy
By elementary matrix algebra we show that every real matrix admits a dilation to an element of the real symplectic group for some nonnegative integer $…