Tighter superadditivity relations for l1-norm coherence measure
Kang-Kang Yang,
Zhong-Xi Shen,
Zhi-Xi Wang
et al.
Abstract:Quantum coherence serves as a crucial physical resource, with its quantification emerging as a focal point in contemporary research. Superadditivity constitutes one of the most fundamental attributes in characterizing the coherence distribution in multipartite quantum systems. In this paper, we provide a way to derive tighter superadditivity inequalities of [Formula: see text]-norm coherence measure for arbitrary multiqubit states. We present a category of superadditivity relations related to the [Formula: see… Show more
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