Author

Francesco Anna Mele

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Preprint Sep 2026

Towards verifiable quantum advantage with random circuits: Observables that survive concentration

Demonstrating quantum advantage on current quantum hardware is a central goal of quantum computing, and random quantum circuits underpin many leading proposals. Yet sampling-based demonstrations are often difficult to verify, while observable-based approaches face a different challenge: concentration can suppress diffe...

A. A. Mele, Francesco Anna Mele, J. McClean et al. · 0 citations

#machine learning Preprint Sep 2026

When are bosonic Gaussian states classical to learn?

A fundamental question in physics is: When does classical behavior emerge from quantum systems? Bosonic Gaussian states provide a natural setting to explore this quantum-classical boundary, as they capture both the classical field behavior and the intrinsic quantum nature of light. Here, we address this problem from a...

Senrui Chen, A. A. Mele, Francesco Anna Mele et al. · 0 citations

Preprint Jul 2026

Bosonic quantum communication beyond the thermal threshold

The quantum capacity of the bosonic thermal attenuator, which is given by the regularization of its coherent information, is unknown. The seminal work of Holevo and Werner established in 1999 the standard one-use lower bound obtained from input thermal states. We first prove that this long-standing lower bound is the e...

Francesco Anna Mele, Giuseppe Catalano, Marco Fanizza et al. · 0 citations