Alessandro Farace
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Digital quantum simulation of lattice gauge theories in three spatial dimensions Open
In the present work, we propose a scheme for digital formulation of lattice\ngauge theories with dynamical fermions in 3+1 dimensions. All interactions are\nobtained as a stroboscopic sequence of two-body interactions with an auxiliary\nsy…
Versatile Gaussian probes for squeezing estimation Open
We consider an instance of “black-box” quantum metrology in the Gaussian framework, where we aim to estimate the amount of squeezing applied on an input probe, without previous knowledge on the phase of the applied squeezing. By taking the…
Digital lattice gauge theories Open
We propose a general scheme for a digital construction of lattice gauge\ntheories with dynamical fermions. In this method, the four-body interactions\narising in models with $2+1$ dimensions and higher, are obtained\nstroboscopically, thro…
Building versatile bipartite probes for quantum metrology Open
We consider bipartite systems as versatile probes for the estimation of\ntransformations acting locally on one of the subsystems. We investigate what\nresources are required for the probes to offer a guaranteed level of\nmetrological perfo…