July 29, 2020 - Swiss Quantum Hub

Louisiana State University physicist Mark Wilde and Xin Wang of Baidu Research's mathematical formula, called κ entanglement or max-logarithmic negativity (upper left) makes it possible to effeciently calculate the cost of entanglement, which in itself is an entanglement measure, in the creation of a two-party quantum state. Credit: Mark Wilde, LSU

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How to calculate entanglement cost

July 29, 2020July 30, 2020 wp_swiss

Louisiana State University researchers have solved a 20-year-old problem in quantum information theory on how to calculate entanglement cost—a way to measure entanglement—in a manner that’s efficiently computable, useful, and broadly applicable in several quantum

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