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Author

O. Castro-Alvaredo

2 papers indexed here

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Preprint Jul 2026

A Toy Model for Topological Entanglement Features in 1+1D Integrable Quantum Field Theory

In this paper we investigate an entanglement measure, the R\'enyi entropy, in a 1+1D integrable quantum field theory known as the Federbush model. This is a deformation of the theory of two massive Dirac fermions by means of a bilinear term in the $U(1)$ currents that couples the two fermion species. This deformation g...

Emmalise J. H. Aalbers, O. Castro-Alvaredo · 0 citations
Preprint Jul 2026

Entanglement Asymmetry in Random Quantum Automata

We investigate the subsystem entanglement asymmetry in random quantum automaton ensembles, which are generated by permuting the basis states in the Hilbert space and applying global phase shifts. We compute the ensemble average of the $U(1)$ subsystem asymmetry in different connectivity geometries, showing that the lat...

O. Castro-Alvaredo, Dávid Szász-Schagrin, Michele Mazzoni · 4 citations

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