Probabilistic Coherence Transformation Under Strictly Incoherent Operation
arXiv:2410.08095 · doi:10.1016/j.physleta.2025.130739
Abstract
The coherence transformation is pivotal for quantum technologies, which cannot always be accomplished deterministically. We investigate the probabilistic coherence transformation under strictly incoherent operations. To this end, by virtue of majorization lattice, the greedy and thrifty protocols are adapted for the probabilistic coherence transformation, of which the latter exhibits certain superiority in preserving coherence on average. Intuitively, it is found that the large coherence gain can be realized with the price of success probability loss for coherence transformation, and vice versa. Deterministic and probabilistic coherence transformations between two mixed states are explored. As an application, it is shown that the conversion from coherence into entanglement may benefit from probabilistic coherence transformation.
27 pages, Close to the published version
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