1.9k citations · 4.9k across the 94 of their papers we have counts for
27 papers · 1 filter
Shapiro steps in driven atomic Josephson junctions
Vijay Pal Singh, Juan Polo, Ludwig Mathey +1
We study driven atomic Josephson junctions realized by coupling two two-dimensional atomic clouds with a tunneling barrier. By moving the barrier at a constant velocity, dc and ac…
Aharonov-Bohm effect for confined matter in lattice gauge theories
Enrico C. Domanti, Paolo Castorina, Dario Zappalà +1
Gauge theories arise in physical systems displaying space-time local symmetries. They provide a powerful description of important realms of physics ranging from fundamental interac…
Thermal suppression of demixing dynamics in a binary condensate
Vijay Pal Singh, Luigi Amico, Ludwig Mathey
We investigate the demixing dynamics in a binary two-dimensional (2D) Bose superfluid using classical-field dynamics. By quenching the interspecies interaction parameter, we identi…
Controlled flow of excitations in a ring-shaped network of Rydberg atoms
Francesco Perciavalle, Davide Rossini, Tobias Haug +2
Highly excited Rydberg atoms are a powerful platform for quantum simulation and information processing. Here, we propose atomic ring networks to study chiral currents of Rydberg ex…
Exact one-particle density matrix for SU() fermionic matter-waves in the strong repulsive limit
Andreas Osterloh, Juan Polo, Wayne J. Chetcuti +1
We consider a gas of repulsive -component fermions confined in a ring-shaped potential, subject to an effective magnetic field. For large repulsion strengths, we work out a Beth…
Interference dynamics of matter-waves of SU() fermions
Wayne J. Chetcuti, Andreas Osterloh, Luigi Amico +1
We analyze the two main physical observables related to the momenta of strongly correlated SU() fermions in ring-shaped lattices pierced by an effective magnetic flux: homodyne…
Atomtronic multi-terminal Aharonov-Bohm interferometer
Jonathan Wei Zhong Lau, Koon Siang Gan, Rainer Dumke +3
We study a multi-functional device for cold atoms consisting of a three-terminal ring circuit pierced by a synthetic magnetic flux, where the ring can be continuous or discretized.…
Coherent phase slips in coupled matter-wave circuits
Axel Pérez-Obiol, Juan Polo, Luigi Amico
Quantum Phase slips are dual process of particle tunneling in coherent networks. Besides to be of central interest for condensed matter physics, quantum phase slips are resources t…
Probe for bound states of SU(3) fermions and colour deconfinement
Wayne J. Chetcuti, Juan Polo, Andreas Osterloh +2
Fermionic artificial matter realized with cold atoms grants access to an unprecedented degree of control on sophisticated many-body effects with an enhanced flexibility of the oper…
Atomtronic circuits: from many-body physics to quantum technologies
Luigi Amico, Dana Anderson, Malcolm Boshier +4
Atomtronics is an emerging field that aims to manipulate ultracold atom moving in matter wave circuits for both fundamental studies in quantum science and technological application…
Single-particle versus many-body phase coherence in an interacting Fermi gas
Giovanni Pecci, Piero Naldesi, Anna Minguzzi +1
In quantum mechanics, each particle is described by a complex valued wave-function characterized by amplitude and phase. When many particles interact each other, cooperative phenom…
The quantum solitons atomtronic interference device
Juan Polo, Piero Naldesi, Anna Minguzzi +1
We study a quantum many-body system of attracting bosons confined in a ring-shaped potential and interrupted by a weak link. With such architecture, the system defines atomtronic q…
Persistent Current of SU(N) Fermions
Wayne J. Chetcuti, Tobias Haug, Leong-Chuan Kwek +1
We study the persistent current in a system of SU() fermions with repulsive interaction confined in a ring-shaped potential and pierced by an effective magnetic flux. By applyin…
Probing the BCS-BEC crossover with persistent currents
Giovanni Pecci, Piero Naldesi, Luigi Amico +1
We study the persistent currents of an attractive Fermi gas confined in a tightly-confining ring trap and subjected to an artificial gauge field all through the BCS-BEC crossover.…
Multimode N00N states in driven atomtronic circuits
Enrico Compagno, Guillaume Quesnel, Anna Minguzzi +2
We propose a method to generate multi-mode N00N states with arrays of ultracold atoms. Our protocol requires a strong relative offset among the wells and a drive of the interpartic…
Exact results for persistent currents of two bosons in a ring lattice
Juan Polo, Piero Naldesi, Anna Minguzzi +1
We study the ground state of two interacting bosonic particles confined in a ring-shaped lattice potential and subjected to a synthetic magnetic flux. The system is described by th…
Enhancing sensitivity to rotations with quantum solitonic currents
Piero Naldesi, Juan Polo Gomez, Vanja Dunjko +4
Quantum mechanics is characterized by quantum coherence and entanglement. After having discovered how these fundamental concepts govern physical reality, scientists have been devot…
Nonclassical states in strongly correlated bosonic ring ladders
Nicolas Victorin, Tobias Haug, Leong-Chuan Kwek +2
We study the ground state of a bosonic ring ladder under a gauge flux in the vortex phase, corresponding to the case where the single-particle dispersion relation has two degenerat…
Monitoring currents in cold-atom circuits
S. Safaei, L. -C. Kwek, R. Dumke +1
Complex circuits of cold atoms can be exploited to devise new protocols for the diagnostics of cold-atoms systems. Specifically, we study the quench dynamics of a condensate confin…
Andreev-reflection and Aharonov-Bohm dynamics in atomtronic circuits
Tobias Haug, Rainer Dumke, Leong-Chuan Kwek +1
We study the quantum transport through two specific atomtronic circuits: a Y-junction and a ring-shaped condensate pierced by an effective magnetic flux. We demonstrate that for bo…
Raise and fall of a bright soliton in an optical lattice
Piero Naldesi, Juan Polo Gomez, Anna Minguzzi +3
We study an ultracold atomic gas with attractive interactions in a one-dimensional optical lattice. We find that its excitation spectrum displays a quantum soliton band, correspond…
Readout of the atomtronic quantum interference device
Tobias Haug, Joel Tan, Mark Theng +3
A Bose-Einstein condensate confined in ring shaped lattices interrupted by a weak link and pierced by an effective magnetic flux defines the atomic counterpart of the superconducti…
The Aharonov-Bohm effect in mesoscopic Bose-Einstein condensates
Tobias Haug, Hermanni Heimonen, Rainer Dumke +2
Ultra-cold atoms in light-shaped potentials open up new ways to explore mesoscopic physics: Arbitrary trapping potentials can be engineered with only a change of the laser field. H…
Mesoscopic Vortex-Meissner currents in ring ladders
Tobias Haug, Luigi Amico, Rainer Dumke +1
Recent experimental progress have revealed Meissner and Vortex phases in low-dimensional ultracold atoms systems. Atomtronic setups can realize ring ladders, while explicitly takin…