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quant-ph2024
Nearly tight bounds for testing tree tensor network states
Benjamin Lovitz, Angus Lowe
Tree tensor network states (TTNS) generalize the notion of having low Schmidt-rank to multipartite quantum states, through a parameter known as the bond dimension. This leads to su…
quant-ph2024★ 1 cited
X-arability of mixed quantum states
Harm Derksen, Nathaniel Johnston, Benjamin Lovitz
The problem of determining when entanglement is present in a quantum system is one of the most active areas of research in quantum physics. Depending on the setting at hand, differ…