Search Results - "ROATI, G"
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1
Sound emission and annihilations in a programmable quantum vortex collider
Published in Nature (London) (02-12-2021)“…In quantum fluids, the quantization of circulation forbids the diffusion of a vortex swirling flow seen in classical viscous fluids. Yet, accelerating quantum…”
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2
Strongly correlated superfluid order parameters from dc Josephson supercurrents
Published in Science (American Association for the Advancement of Science) (03-07-2020)“…A gas junction In superconductors, electrons form a macroscopic wave function that has a definite phase. If two superconductors with different wave function…”
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3
Connecting Dissipation and Phase Slips in a Josephson Junction between Fermionic Superfluids
Published in Physical review letters (12-01-2018)“…We study the emergence of dissipation in an atomic Josephson junction between weakly coupled superfluid Fermi gases. We find that vortex-induced phase slippage…”
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4
Tunneling Transport of Unitary Fermions across the Superfluid Transition
Published in Physical review letters (05-02-2021)“…We investigate the transport of a Fermi gas with unitarity-limited interactions across the superfluid phase transition, probing its response to a direct…”
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5
Exploring the ferromagnetic behaviour of a repulsive Fermi gas through spin dynamics
Published in Nature physics (01-07-2017)“…Ferromagnetism is a manifestation of strong repulsive interactions between itinerant fermions in condensed matter. Whether short-ranged repulsion alone is…”
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6
Critical Transport and Vortex Dynamics in a Thin Atomic Josephson Junction
Published in Physical review letters (31-01-2020)“…We study the onset of dissipation in an atomic Josephson junction between Fermi superfluids in the molecular Bose-Einstein condensation limit of strong…”
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7
Delocalization of a disordered bosonic system by repulsive interactions
Published in Nature physics (01-05-2010)“…Clarifying the interplay of interactions and disorder is fundamental to the understanding of many quantum systems, including superfluid helium in porous media,…”
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8
Observation of an Efimov spectrum in an atomic system
Published in Nature physics (01-08-2009)“…In 1970, Vitaly Efimov predicted that three quantum particles subjected to a resonant pair-wise interaction can join into an infinite number of loosely bound…”
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9
Observation of subdiffusion in a disordered interacting system
Published in Physical review letters (10-06-2011)“…We study the transport dynamics of matter-waves in the presence of disorder and nonlinearity. An atomic Bose-Einstein condensate that is localized in a…”
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10
Dynamical phase diagram of ultracold Josephson junctions
Published in New journal of physics (01-12-2020)“…We provide a complete study of the phase diagram characterising the distinct dynamical regimes emerging in a three-dimensional Josephson junction in an…”
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11
Imprinting Persistent Currents in Tunable Fermionic Rings
Published in Physical review. X (30-12-2022)“…Persistent currents in annular geometries have played an important role in disclosing the quantum phase coherence of superconductors and mesoscopic electronic…”
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12
Observation of an Efimov spectrum in an atomicsystem
Published in Nature physics (01-08-2009)“…In 1970, Vitaly Efimov predicted that three quantum particles subjected to a resonant pair-wise interaction can join into an infinite number of loosely bound…”
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13
Time-Resolved Observation of Competing Attractive and Repulsive Short-Range Correlations in Strongly Interacting Fermi Gases
Published in Physical review letters (21-12-2018)“…We exploit a time-resolved pump-probe spectroscopic technique to study the out-of-equilibrium dynamics of an ultracold two-component Fermi gas, selectively…”
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14
Connecting shear flow and vortex array instabilities in annular atomic superfluids
Published in Nature physics (01-06-2024)“…At the interface between two fluid layers in relative motion, infinitesimal fluctuations can be exponentially amplified, inducing vorticity and the breakdown…”
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15
Emergence of turbulence in an oscillating bose-einstein condensate
Published in Physical review letters (24-07-2009)“…We report on the experimental observation of vortex tangles in an atomic Bose-Einstein condensate (BEC) of ;{87}Rb atoms when an external oscillatory…”
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16
Two atomic species superfluid
Published in Physical review letters (04-11-2002)“…We produce a quantum degenerate mixture composed by two Bose-Einstein condensates of different atomic species, 41K and 87Rb. We study the dynamics of the…”
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17
Magnetic dipolar interaction in a Bose-Einstein condensate atomic interferometer
Published in Physical review letters (07-11-2008)“…We study the role played by the magnetic dipole interaction in the decoherence of a lattice-based interferometer that employs an alkali Bose-Einstein…”
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18
Atom interferometry with trapped Fermi gases
Published in Physical review letters (11-06-2004)“…We realize an interferometer with an atomic Fermi gas trapped in an optical lattice under the influence of gravity. The single-particle interference between…”
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19
Atom interferometry with a weakly interacting Bose-Einstein condensate
Published in Physical review letters (29-02-2008)“…We demonstrate the operation of an atom interferometer based on a weakly interacting Bose-Einstein condensate. We strongly reduce the interaction induced…”
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20
Collisionally induced transport in periodic potentials
Published in Physical review letters (23-04-2004)“…We study the transport of ultracold atoms in a tight optical lattice. For identical fermions the system is insulating under an external force while for bosonic…”
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