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Quantum Relative entropy- the math and intuition
I am new to quantum information theory and have been reading Mark Wilde's notes on quantum relative entropy.
http://www.markwilde.com/teaching/2015-fall-qit/lectures/lecture-19.pdf
I have three basic ...
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Data processing inequality for relative entropy in the presence of an amplitude damping channel
Consider the single qubit quantum depolarizing channel, given by
$$T(\rho) = (1- p)\rho + p \frac{\mathbb{I}}{2}. $$
For an $n$ qubit state $\rho$, according to Definition 6.1 of this paper, the ...
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