389 citations · 2.4k across the 57 of their papers we have counts for
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quant-ph2005★ 29 cited
Physical Purification of Quantum States
M. Kleinmann, H. Kampermann, T. Meyer +1
We introduce the concept of a physical process that purifies a mixed quantum state, taken from a set of states, and investigate the conditions under which such a purification map e…
quant-ph2005★ 27 cited
On the generalization of quantum state comparison
M. Kleinmann, H. Kampermann, D. Bruss
We investigate the unambiguous comparison of quantum states in a scenario that is more general than the one that was originally suggested by Barnett et al. First, we find the optim…