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Author

H. Kampermann

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Preprint Sep 2026

Multinegativity and single-letter formulas for asymptotic entanglement

The study of entanglement inevitably leads to the concept of regularization, where measures are evaluated on infinitely many copies of a state. Single-letter formulas try to make these asymptotic entanglement quantities accessible through a calculation on one copy of a state, but are rarely available. We introduce a de...

Raphael Brinster, Tulja Varun Kondra, H. Kampermann et al. · 0 citations
Preprint Jul 2026

Very Strong Irreversibility of Quantum Entanglement

The manipulation of quantum entanglement is fundamentally irreversible: some mixed entangled states require pure entanglement for their preparation, although no pure entanglement can be recovered from them by local operations and classical communication. This irreversibility is known to persist even under the maximal c...

Tulja Varun Kondra, Raphael Brinster, H. Kampermann et al. · 0 citations

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