Francesco Scazza
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View article: A low-impedance radio-frequency circuit for fast spin manipulations in cold alkali atoms
A low-impedance radio-frequency circuit for fast spin manipulations in cold alkali atoms Open
We design and implement a low-impedance, high-current radio-frequency (RF) circuit, enabling fast coherent coupling between magnetic levels in cold alkali atomic samples. It is based on a compact, shape-optimized coil that maximizes the RF…
View article: Engineering the Kondo impurity problem with alkaline-earth-atom arrays
Engineering the Kondo impurity problem with alkaline-earth-atom arrays Open
We propose quantum simulation experiments of the Kondo impurity problem using cold alkaline-earth(-like) atoms (AEAs) in a combination of optical lattice and optical tweezer potentials. Within an ab initio model for atomic interactions in …
View article: Few is different: deciphering many-body dynamics in mesoscopic quantum gases
Few is different: deciphering many-body dynamics in mesoscopic quantum gases Open
Emergent macroscopic descriptions of matter, such as hydrodynamics, are central to our description of complex physical systems across a wide spectrum of energy scales. The conventional understanding of these many-body phenomena has recentl…
View article: Impact of quantum coherence on the dynamics and thermodynamics of quenched free fermions coupled to a localized defect
Impact of quantum coherence on the dynamics and thermodynamics of quenched free fermions coupled to a localized defect Open
We investigate the non-equilibrium quantum dynamics and thermodynamics of free fermions suddenly coupled to a localized defect in a one-dimensional harmonic trap. This setup realizes a quantum quench transformation that gives rise to the o…
View article: Engineering the Kondo impurity problem with alkaline-earth atom arrays
Engineering the Kondo impurity problem with alkaline-earth atom arrays Open
We propose quantum simulation experiments of the Kondo impurity problem using cold alkaline-earth(-like) atoms (AEAs) in a combination of optical lattice and optical tweezer potentials. Within an ab initio model for atomic interactions in …
View article: Mutual friction and vortex Hall angle in a strongly interacting Fermi superfluid
Mutual friction and vortex Hall angle in a strongly interacting Fermi superfluid Open
The motion of a quantized vortex is intimately connected with its microscopic structure and the elementary excitations of the surrounding fluid. In this work, we investigate the two-dimensional motion of a single vortex orbiting a pinned a…
View article: Experimental direct quantum communication with squeezed states
Experimental direct quantum communication with squeezed states Open
Quantum secure direct communication (QSDC) is an evolving quantum communication framework based on transmitting secure information directly through a quantum channel, without relying on key-based encryption such as in quantum key distribut…
View article: Scalable, ab initio protocol for quantum simulating SU(<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>N</mml:mi></mml:math>)<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mo>&#x00D7;</mml:mo></mml:math>U(1) Lattice Gauge Theories
Scalable, ab initio protocol for quantum simulating SU()U(1) Lattice Gauge Theories Open
We propose a protocol for the scalable quantum simulation of SU()U(1) lattice gauge theories with alkaline-earth like atoms in optical lattices in both one- and two-dimensional systems. The protocol exploits the combination of naturally oc…
View article: Stabilizing persistent currents in an atomtronic Josephson junction necklace
Stabilizing persistent currents in an atomtronic Josephson junction necklace Open
Arrays of Josephson junctions are at the forefront of research on quantum circuitry for quantum computing, simulation and metrology. They provide a testing bed for exploring a variety of fundamental physical effects where macroscopic phase…
View article: Scalable, ab initio protocol for quantum simulating SU($N$)$\times$U(1) Lattice Gauge Theories
Scalable, ab initio protocol for quantum simulating SU($N$)$\times$U(1) Lattice Gauge Theories Open
We propose a protocol for the scalable quantum simulation of SU($N$)$\times$U(1) lattice gauge theories with alkaline-earth like atoms in optical lattices in both one- and two-dimensional systems. The protocol exploits the combination of n…
View article: Decay of Persistent Currents in Annular Atomic Superfluids
Decay of Persistent Currents in Annular Atomic Superfluids Open
We investigate the role of vortices in the decay of persistent current states of annular atomic superfluids by solving numerically the Gross–Pitaevskii equation, and we directly compare our results with the 6Li experiment at LENS data. We …
View article: Practical quantum secure direct communication with squeezed states
Practical quantum secure direct communication with squeezed states Open
Quantum secure direct communication (QSDC) is a rapidly developing quantum communication approach, where secure information is directly transmitted, providing an alternative to key-based (de)encryption processes via Quantum Key Distributio…
View article: Decay of persistent currents in annular atomic superfluids
Decay of persistent currents in annular atomic superfluids Open
We investigate the role of vortices in the decay of persistent current states of annular atomic superfluids by solving numerically the Gross-Pitaevskii equation, and we directly compare our results with experimental data from Ref. [1]. We …
View article: Imprinting Persistent Currents in Tunable Fermionic Rings
Imprinting Persistent Currents in Tunable Fermionic Rings Open
Persistent currents in annular geometries have played an important role in disclosing the quantum phase coherence of superconductors and mesoscopic electronic systems. Ultracold atomic gases in multiply connected traps also exhibit long-li…
View article: Deploying an Inter‐European Quantum Network
Deploying an Inter‐European Quantum Network Open
Around 40 years have passed since the first pioneering works introduced the possibility of using quantum physics to enhance communications safety. Nowadays, quantum key distribution (QKD) exited the physics laboratories to become a mature …
View article: Repulsive Fermi and Bose Polarons in Quantum Gases
Repulsive Fermi and Bose Polarons in Quantum Gases Open
Polaron quasiparticles are formed when a mobile impurity is coupled to the elementary excitations of a many-particle background. In the field of ultracold atoms, the study of the associated impurity problem has attracted a growing interest…
View article: Deploying an inter-European quantum network
Deploying an inter-European quantum network Open
Around forty years have passed since the first pioneering works have introduced the possibility of using quantum physics to strongly enhance communications safety. Nowadays Quantum Cryptography, and in particular, Quantum Key Distribution …
View article: Roadmap on Atomtronics: State of the art and perspective
Roadmap on Atomtronics: State of the art and perspective Open
Atomtronics deals with matter-wave circuits of ultracold atoms manipulated through magnetic or laser-generated guides with different shapes and intensities. In this way, new types of quantum networks can be constructed in which coherent fl…
View article: An efficient high-current circuit for fast radio-frequency spectroscopy in cold atomic gases
An efficient high-current circuit for fast radio-frequency spectroscopy in cold atomic gases Open
We design and implement a low-impedance, high-current radio-frequency (RF) circuit, enabling fast coherent coupling between magnetic levels in cold alkali atomic samples. It is based on a compact shape-optimized coil that maximizes the RF …
View article: Tunneling Transport of Unitary Fermions across the Superfluid Transition
Tunneling Transport of Unitary Fermions across the Superfluid Transition Open
We investigate the transport of a Fermi gas with unitarity-limited interactions across the superfluid phase transition, probing its response to a direct current (dc) drive through a tunnel junction. As the superfluid critical temperature i…
View article: Sound emission and annihilations in a programmable quantum vortex collider
Sound emission and annihilations in a programmable quantum vortex collider Open
In quantum fluids, the quantization of circulation forbids the diffusion of a vortex swirling flow seen in classical viscous fluids. Yet, accelerating quantum vortices may lose their energy into acoustic radiations1,2, similar to the way e…
View article: Roadmap on Atomtronics
Roadmap on Atomtronics Open
Atomtronics is an emerging field of quantum technology dealing with matter-wave circuits of ultra-cold atoms manipulated in magnetic or laser-generated guides of different shapes and intensity. Atomtronic circuits are promised to define qu…
View article: Quasiparticle Lifetime of the Repulsive Fermi Polaron
Quasiparticle Lifetime of the Repulsive Fermi Polaron Open
We investigate the metastable repulsive branch of a mobile impurity coupled to a degenerate Fermi gas via short-range interactions. We show that the quasiparticle lifetime of this repulsive Fermi polaron can be experimentally probed by dri…
View article: Roadmap on Atomtronics: State of the art and perspective
Roadmap on Atomtronics: State of the art and perspective Open
Atomtronics deals with matter-wave circuits of ultra-cold atoms manipulated through magnetic or laser-generated guides with different shapes and intensities. In this way, new types of quantum networks can be constructed, in which coherent …
View article: State of the art and perspective on Atomtronics
State of the art and perspective on Atomtronics Open
Atomtronics deals with matter-wave circuits of ultra-cold atoms manipulated through magnetic or laser-generated guides with different shapes and intensities. In this way, new types of quantum networks can be constructed, in which coherent …
View article: Data for "Strongly correlated superfluid order parameters from dc Josephson supercurrents"
Data for "Strongly correlated superfluid order parameters from dc Josephson supercurrents" Open
This dataset contains the experimental data and the code to generate the theoretical models in the paper "Strongly correlated superfluid order parameters from dc Josephson supercurrents". Data tables and scripts to generate the theoretical…