Mixed states in one spatial dimension: decompositions and correspondence with nonnegative matrices.

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Apr 10

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Gemma De las Cuevas and Tim Netzer. J. Math. Phys. 61, 041901 (2020). arXiv:1907.03664

Author:Gemma De las CuevasAuthor:Tim NetzerTopic:Positivity

Generalised ansatz for continuous Matrix Product States.

Optimal bounds in the positivity of a matrix from a few moments.