Author

Beatrice Magni

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Preprint Sep 2026

Entanglement spectrum and magic in higher-dimensional free fermionic systems

We study fermionic non-local magic in higher-dimensional free-fermion systems through the lens of the entanglement spectrum. For translationally invariant Gaussian states in strip geometries, dimensional reduction maps the problem to independent lower-dimensional momentum sectors, leading in two dimensions to a multipl...

Beatrice Magni, Daniele Iannotti, Riccardo Travaglino · 0 citations

Preprint Jul 2026

Universal purification dynamics of monitored Clifford circuits

Quantum circuits under sufficiently weak monitoring purify on a timescale $T_P$ exponentially long in the system size. This slowness underlies a universal purification dynamics, whose quantitative description has so far required the replica trick, with a delicate analytic continuation. We show that monitored Clifford c...

Beatrice Magni, Federico Gerbino, X. Turkeshi et al. · 1 citation