To detect the presence or absence of an object in concealed thermal noise, a parametric down conversion of a Gaussian squeezed entangled state is sent to space. In the environmental background, the quantum illumination (QI) entangled state is always much better than the optimal classical illumination (CI) target detection. We can easily provide the prior probability using the Neyman-Pearson...
Trace-gas detection plays an important role in our modern society, impacting sectors as energy production, environmental monitoring, transportation, agriculture, safety, and security. During the last decade, optical detection with ultra-high sensitivity, down to the ppq level, was demonstrated with cavity-ring down techniques [1], enabling laser sensors to enter areas as archaeology...
Atom interferometry utilising single-photon optical transitions represents an emerging technology with the ability to probe physics in a variety of previously untested regimes. Multiple experiments based upon the clock transition of Sr at 698 nm have been proposed to search for a wide set of fundamental physics goals, such as gravitational wave detection. Crucial to meeting these experiments’...
I will present a new programmable quantum simulator based on Rydberg strontium atoms trapped in optical tweezers arrays at CNR-INO and Department of Physics in Florence. This new experimental setup, supported by an infrastructural program of CNR, is now under construction in our laboratories as a joint effort of CNR and the University of Florence. I will present the main features of the...
We investigate entanglement production by inhomogeneous perturbations over a homogeneous and isotropic cosmic background, demonstrating that the interplay between quantum and geometric effects can have relevant consequences on entanglement entropy, with respect to homogeneous scenarios. To do so, we focus on a conformally coupled scalar field and discuss how geometric production of scalar...
We construct a lower bound of the tensor rank for a class of tensors that we call them persistent tensors. In this class, there is a specific subclass of tensors that the lower bound is tight. Indeed, this subclass is $n$-qudit version of $n$-qubit ${\rm{W}}$ states (we call them $n$-qudit ${\rm{M}}$ states denoted by $|{\rm{M}}(d,n)\rangle$ and we have $\mathcal{M}(2,n)=\mathcal{W}_n$)....
Simulating the low-temperature equilibrium properties of a spin glass is notoriously a hard computational task. It plays a central role in condensed matter physics, and it is also related to relevant NP-hard optimization problems which can be mapped into spin models.
Deep Learning (DL) models, such as generative neural networks can be used to accurately mimic Boltzmann distributions and to...