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
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