$k$-Positivity and high-dimensional bound entanglement under symplectic group symmetry

arXiv:2602.09860v2 Announce Type: replace-cross Abstract: We investigate the structure of $k$-positivity and Schmidt numbers for classes of linear maps and bipartite quantum states exhibiting symplectic group symmetry. Specifically, we consider (1) linear maps on $M_d(\mathbb{...

🔗 Read more: https://arxiv.org/abs/2602.09860

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