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quant-ph2024★ 1 cited
Reverse-type Data Processing Inequality
Paula Belzig, Li Gao, Graeme Smith +1
The quantum data processing inequality asserts that two quantum states become harder to distinguish when a noisy channel is applied. On the other hand, a reverse quantum data proce…
quant-ph2024★ 1 cited
Additivity of quantum capacities in simple non-degradable quantum channels
Graeme Smith, Peixue Wu
Quantum channel capacities give the fundamental performance limits for information flow over a communication channel. However, the prevalence of superadditivity is a major obstacle…