Author

L. Pereira

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Preprint Sep 2026

Observable-targeted variational quantum simulation of Hamiltonian dynamics

Standard variational quantum simulation seeks to reproduce the evolution of the full quantum state, although many applications require only the expectation values of a few observables. We study a variational method for pure-state Hamiltonian dynamics that updates circuit parameters to reproduce the evolution of selecte...

Leonardo Zambrano, L. Pereira, Antonio Acín · 0 citations

Preprint Sep 2026

Self-guided certification of nonlocality in quantum networks

Bell's theorem shows that quantum theory is incompatible with local hidden-variable models. In recent years, research on nonlocality has moved beyond Bell's original scenario to quantum networks, where multiple independent sources distribute physical systems among distant parties, giving rise to correlations certified...

J. Cortes, L. Pereira, Aldo Delgado · 0 citations

Preprint Jul 2026

Rigorous Time-dependent Hamiltonian Learning via Continuous Weak Measurements

Characterizing the Hamiltonian that a quantum processor actually implements is central to calibrating and validating current quantum hardware. Many devices, however, operate with generators that are time dependent by design. Here we develop a rigorous and experimentally friendly protocol for learning time-dependent man...

Jesús Jiménez-Rodríguez, Giacomo Franceschetto, Antonio Ac'in et al. · 0 citations