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The tightness of multipartite coherence from spectrum estimation
[article]
2021
arXiv
pre-print
Detecting multipartite quantum coherence usually requires quantum state reconstruction, which is quite inefficient for large-scale quantum systems. Along this line of research, several efficient procedures have been proposed to detect multipartite quantum coherence without quantum state reconstruction, among which the spectrum-estimation-based method is suitable for various coherence measures. Here, we first generalize the spectrum-estimation-based method for the geometric measure of coherence.
arXiv:2104.12094v2
fatcat:hl6p6ktrqfbgxn3szv32sj4ohq