2.8k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of MilanIT3.7k papers
- Centre National de la Recherche ScientifiqueFR2.6k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.4k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT2.4k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di GenovaIT2.3k papers
- University of EdinburghGB2.2k papers
- National Institute for Subatomic PhysicsNL2.2k papers
- University of ManchesterGB2.2k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2.1k papers
- Rutherford Appleton LaboratoryGB2.1k papers
- University of LiverpoolGB2.1k papers
- Heidelberg UniversityDE2.1k papers
24 papers · 2 filters
Unconditional mechanical squeezing via back-action evading measurements and non-optimal feedback control
Antonio Di Giovanni, Matteo Brunelli, Marco G. Genoni
Backaction-evading (BAE) measurements of a mechanical resonator, by continuously monitoring a single quadrature of motion, can achieve precision below the zero-point uncertainty. W…
Transport efficiency of continuous-time quantum walks on graphs
Luca Razzoli, Matteo G. A. Paris, Paolo Bordone
Continuous-time quantum walk describes the propagation of a quantum particle (or an excitation) evolving continuously in time on a graph. As such, it provides a natural framework f…
Quantum Chaos and the Correspondence Principle
Jiaozi Wang, Giuliano Benenti, Giulio Casati +1
The correspondence principle is a cornerstone in the entire construction of quantum mechanics. This principle has been recently challenged by the observation of an early-time expon…
On the quantumness of multiparameter estimation problems for qubit systems
Sholeh Razavian, Matteo G. A. Paris, Marco G. Genoni
The estimation of more than one parameter in quantum mechanics is a fundamental problem with relevant practical applications. In fact, the ultimate limits in the achievable estimat…
Scattering as a quantum metrology problem: a quantum walk approach
Francesco Zatelli, Claudia Benedetti, Matteo G. A. Paris
We address the scattering of a quantum particle by a one-dimensional barrier potential over a set of discrete positions. We formalize the problem as a continuous-time quantum walk…
Disorder-Enhanced and Disorder-Independent Transport with Long-Range Hopping: Application to Molecular Chains in Optical Cavities
Nahum C. Chávez, Francesco Mattiotti, J. A. Méndez-Bermúdez +2
Overcoming the detrimental effect of disorder at the nanoscale is very hard since disorder induces localization and an exponential suppression of transport efficiency. Here we unve…
How to design quantum-jump trajectories via distinct master equation representations
Dariusz Chruściński, Kimmo Luoma, Jyrki Piilo +1
Every open-system dynamics can be associated to infinitely many stochastic pictures, called unravelings, which have proved to be extremely useful in several contexts, both from the…
Qibo: a framework for quantum simulation with hardware acceleration
Stavros Efthymiou, Sergi Ramos-Calderer, Carlos Bravo-Prieto +5
We present Qibo, a new open-source software for fast evaluation of quantum circuits and adiabatic evolution which takes full advantage of hardware accelerators. The growing interes…
Squeezing as a resource to counteract phase diffusion in optical phase estimation
Giacomo Carrara, Marco G. Genoni, Simone Cialdi +2
We address a phase estimation scheme using Gaussian states in the presence of non-Gaussian phase noise. At variance with previous analysis, we analyze situations in which the noise…
Evolution equations for quantum semi-Markov dynamics
Nina Megier, Andrea Smirne, Bassano Vacchini
Using a newly introduced connection between the local and non-local description of open quantum system dynamics, we investigate the relationship between these two characterisations…
Bio-inspired natural sunlight-pumped lasers
Francesco Mattiotti, William M. Brown, Nicola Piovella +3
Even though sunlight is by far the most abundant renewable energy source available to humanity, its dilute and variable nature has kept efficient ways to collect, store, and distri…
Lower bounds for the mean dissipated heat in an open quantum system
Kazunari Hashimoto, Bassano Vacchini, Chikako Uchiyama
Landauer's principle provides a perspective on the physical meaning of information as well as on the minimum working cost of information processing. Whereas most studies have relat…
Nonclassical steering and the Gaussian steering triangoloids
Massimo Frigerio, Stefano Olivares, Matteo G. A. Paris
Nonclassicality according to the singularity or negativity of the Glauber P-function is a powerful resource in quantum information, with relevant implications in quantum optics. In…
Noisy quantum metrology enhanced by continuous nondemolition measurement
Matteo A. C. Rossi, Francesco Albarelli, Dario Tamascelli +1
We show that continuous quantum nondemolition (QND) measurement of an atomic ensemble is able to improve the precision of frequency estimation even in the presence of independent d…
Continuous-time quantum walks in the presence of a quadratic perturbation
Alessandro Candeloro, Luca Razzoli, Simone Cavazzoni +2
We address the properties of continuous-time quantum walks with Hamiltonians of the form , being the Laplacian matrix of the underlying graph and being t…
The Prime state and its quantum relatives
D. García-Martín, E. Ribas, S. Carrazza +2
The Prime state of qubits, , is defined as the uniform superposition of all the computational-basis states corresponding to prime numbers smaller than $2^…
Rate operator unravelling for open quantum system dynamics
Andrea Smirne, Matteo Caiaffa, Jyrki Piilo
Stochastic methods with quantum jumps are often used to solve open quantum system dynamics. Moreover, they provide insight into fundamental topics, as the role of measurements in q…
Violation of TUR in a periodically driven work-to-work converter from weak to strong dissipation
Loris Maria Cangemi, Vittorio Cataudella, Giuliano Benenti +2
We study a model of isothermal steady-state work-to-work converter, where a single quantum two-level system (TLS) driven by time-dependent periodic external fields acts as the work…
Signatures of associative memory behavior in a multi-mode spin-boson model
Eliana Fiorelli, Matteo Marcuzzi, Pietro Rotondo +2
Spin-boson models can describe a variety of physical systems, such as atoms in a cavity or vibrating ion chains. In equilibrium these systems often feature a radical change in thei…
Quantum probing beyond pure dephasing
Dario Tamascelli, Claudia Benedetti, Heinz-Peter Breuer +1
Quantum probing is the art of exploiting simple quantum systems interacting with a complex environment to extract precise information about some environmental parameters, e.g. the…
Experimental realization of local-to-global noise transition in a two-qubit optical simulator
Claudia Benedetti, Valeria Vento, Stefano Olivares +2
We demonstrate the transition from local to global noise in a two-qubit all-optical quantum simulator subject to classical random fluctuations. Qubits are encoded in the polarizati…
Quantum probes for universal gravity corrections
Alessandro Candeloro, Cristian Degli Esposti Boschi, Matteo G. A. Paris
We address estimation of the minimum length arising from gravitational theories. In particular, we provide bounds on precision and assess the use of quantum probes to enhance the e…
Photonic Realization of a Quantum Finite Automaton
Carlo Mereghetti, Beatrice Palano, Simone Cialdi +3
We describe a physical implementation of a quantum finite automaton recognizing a well known family of periodic languages. The realization exploits the polarization degree of freed…
The interplay between local and non-local master equations: exact and approximated dynamics
Nina Megier, Andrea Smirne, Bassano Vacchini
Master equations are a useful tool to describe the evolution of open quantum systems. In order to characterize the mathematical features and the physical origin of the dynamics, it…