Publications de Luca Gravina | EPFL Graph Search

Neural Projected Quantum Dynamics: a systematic study

We investigate the challenge of classical simulation of unitary quantum dynamics with variational Monte Carlo approaches, addressing the instabilities and high computational demands of existing methods. By systematically analyzing the convergence of stocha ...

Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften2025

Efficiency of neural quantum states in light of the quantum geometric tensor

Luca Gravina

Neural quantum state (NQS) ans & auml;tze have shown promise in variational Monte Carlo algorithms by their theoretical capability of representing any quantum state. However, the reason behind the practical improvement in their performance with an increase ...

NATURE PORTFOLIO2025

Dissipative quantum chaos unveiled by stochastic quantum trajectories

Vincenzo Savona, Pasquale Scarlino, Fabrizio Minganti, Luca Gravina, Debbie Eeltink

We define quantum chaos and integrability in open quantum many-body systems as a dynamical property of single stochastic realizations, referred to as quantum trajectories. This definition relies on the predictions of random matrix theory applied to the sub ...

AMER PHYSICAL SOC2025

Adaptive variational low-rank dynamics for open quantum systems

Vincenzo Savona, Luca Gravina

We introduce a model-independent method for the efficient simulation of low-entropy systems, whose dynamics can be accurately described with a limited number of states. Our method leverages the time-dependent variational principle to efficiently integrate ...

Amer Physical Soc2024

Critical Schrodinger Cat Qubit

Vincenzo Savona, Fabrizio Minganti, Luca Gravina

Encoding quantum information onto bosonic systems is a promising route to quantum error correc-tion. In a cat code, this encoding relies on the confinement of the dynamics of the system onto the two-dimensional manifold spanned by Schrodinger cats of oppos ...

AMER PHYSICAL SOC2023