196 citations · 1.2k across the 29 of their papers we have counts for
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quant-ph2010★ 9 cited
The classicality and quantumness of a quantum ensemble
Xuanmin Zhu, Shengshi Pang, Shengjun Wu +1
In this paper, we investigate the classicality and quantumness of a quantum ensemble. We define a quantity called classicality to characterize how classical a quantum ensemble is.…
quant-ph2010★ 8 cited
Comparison of mixed quantum states
Shengshi Pang, Shengjun Wu
In this article, we study the problem of comparing mixed quantum states: given unknown mixed quantum states, can one determine whether they are identical or not with an unambig…