15 citations · 33 across the 8 of their papers we have counts for
9 papers · 1 filter
Magic in quantum trajectory unravelings of noisy random quantum circuits
Sara Santos, Alessio Paviglianiti, Vincenzo Savona
The quantum-trajectory description of a noisy quantum circuit is not unique: every Kraus representation of the noise channel defines a different unraveling, i.e., a different ensem…
Efficient re-sampling in quasi-probability decompositions
Sara Santos, Stefan Woerner, Vincenzo Savona +1
Near-term quantum devices are limited by noise and hardware constraints, motivating algorithmic approaches that trade circuit complexity for increased sampling overhead. Quasi-prob…
Analytic gradients for low-rank quantum optimal control
Leo Goutte, Vincenzo Savona
We introduce low-rank optimal control (LROC), a method for designing control pulses in open quantum systems whose full density-matrix simulation is prohibitively expensive. The met…
The true cost of factoring: Linking magic and number-theoretic complexity in Shor's algorithm
Alessio Paviglianiti, Matteo Seclì, Emanuele Tirrito +1
The execution cost of quantum algorithms is typically quantified through asymptotic gate counts and qubit register sizes, yet these metrics do not directly capture which genuinely…
Low-rank optimal control of quantum devices
Leo Goutte, Vincenzo Savona
We demonstrate that the control protocols of quantum information devices can be simulated by assuming a low-rank ansatz for the density matrix. The rationale underlying this assump…
Entanglement-assisted variational algorithm for discrete optimization problems
Lorenzo Fioroni, Vincenzo Savona
From fundamental sciences to economics and industry, discrete optimization problems are ubiquitous. Yet, their complexity often renders exact solutions intractable, necessitating t…
Neural Projected Quantum Dynamics: a systematic study
Luca Gravina, Vincenzo Savona, Filippo Vicentini
We investigate the challenge of classical simulation of unitary quantum dynamics with variational Monte Carlo approaches, addressing the instabilities and high computational demand…
Low-Rank Variational Quantum Algorithm for the Dynamics of Open Quantum Systems
Sara Santos, Xinyu Song, Vincenzo Savona
The simulation of many-body open quantum systems is key to solving numerous outstanding problems in physics, chemistry, material science, and in the development of quantum technolo…
Adaptive variational low-rank dynamics for open quantum systems
Luca Gravina, Vincenzo Savona
We introduce a novel, model-independent method for the efficient simulation of low-entropy systems, whose dynamics can be accurately described with a limited number of states. Our…