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quant-ph2008
Additivity of the Renyi entropy of order 2 for positive-partial-transpose-inducing channels
B. Dierckx, M. Fannes, C. Vandenplas
We prove that the minimal Renyi entropy of order 2 (RE2) output of a positive-partial-transpose(PPT)-inducing channel joint to an arbitrary other channel is equal to the sum of the…
quant-ph2006★ 17 cited
Finite size mean-field models
M. Fannes, C. Vandenplas
We characterize the two-site marginals of exchangeable states of a system of quantum spins in terms of a simple positivity condition. This result is used in two applications. We fi…