量子信道最小输出Rényi p熵可加性的新构造性反例
New constructive counterexamples to additivity of minimum output Rényi p-entropy of quantum channels
AI总结:
该研究受Grudka等人相关成果启发,构造了几类新的量子信道反例,证明其最小输出Rényi p熵在p>2时不满足可加性,这类信道具有反对称子空间的扩张与子空间特征。
摘要:
本文提出了几类新的量子信道,其对应的最小输出Rényi $p$-熵不满足可加性。本研究受Grudka等人发表于《J. Phys. A: Math. Theor.》43卷425304页的结果启发,聚焦于以$\boldsymbol{\rm C}^d\boldsymbol{\bigotimes}\boldsymbol{\rm C}^d$中反对称子空间的扩张与子空间为特征的信道,这类信道在$p>2$时会出现可加性破缺。
英文摘要:
In this paper, we present new families of quantum channels for which corresponding minimum output Rényi $p$-entropy is not additive. Our manuscript is motivated by the results of Grudka et al., J. Phys. A: Math. Theor. 43 425304 and we focus on channels characterized by both extensions and subspaces of the antisymmetric subspace in $\mathbb{C}^d \otimes \mathbb{C}^d$, which exhibit additivity breaking for $p>2$.
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