374 citations · 1.2k across the 55 of their papers we have counts for
41 papers · 1 filter
Temperature-induced effective topology in many-body ultracold atomic quantum systems
Nitya Cuzzuol, Michele Miotto, Arianna Montorsi +2
Ultracold atomic quantum systems offer an unprecedentedly powerful platform for exploring interacting symmetry-protected topological phases. Here, we show that their characteristic…
Majorana physics in a Luttinger liquid with attractive interactions
Francesco Debortoli, Nitya Cuzzuol, Luca Barbiero +1
Majorana zero modes are the hallmark of topological superconductivity. In one-dimensional systems, these zero modes are usually introduced in the context of gapped, mean-field mode…
Flux Magnetism in a Strongly Interacting Dipolar Lattice Supersolid under Tunable Gauge Fields
Michele Miotto, Pietro Lombardi, Giovanni Ferioli +4
Supersolidity and magnetism are fundamental phenomena characterizing strongly correlated matter. Here we unveil a mechanism that directly connects these two regimes and can be expe…
Topology meets superconductivity in a one-dimensional model of magnetic atoms
Leonardo Bellinato Giacomelli, Thomas Bland, Louis Lafforgue +3
Strongly interacting fermions represent the key constituent of several intriguing phases of matter. However, due to the inherent complexity of these systems, important regimes are…
Correlated hopping induced topological order in an atomic mixture
Ashirbad Padhan, Luca Barbiero, Tapan Mishra
The large majority of topological phases in one dimensional many-body systems are known to inherit from the corresponding single-particle Hamiltonian. In this work, we go beyond th…
Many-body phases from effective geometrical frustration and long-range interactions in a subwavelength lattice
Domantas Burba, Gediminas Juzeliūnas, Ian B. Spielman +1
Geometrical frustration and long-range couplings are key contributors to create quantum phases with different properties throughout physics. We propose a scheme where both ingredie…
Recent progress on quantum simulations of non-standard Bose-Hubbard models
Titas Chanda, Luca Barbiero, Maciej Lewenstein +2
In recent years, the systems comprising of bosonic atoms confined to optical lattices at ultra-cold temperatures have demonstrated tremendous potential to unveil novel quantum mech…
Nonlocal order parameter of pair superfluids
Nitya Cuzzuol, Luca Barbiero, Arianna Montorsi
Order parameters represent a fundamental resource to characterize quantum matter. We show that pair superfluids can be rigorously defined in terms of a nonlocal order parameter, na…
Probing spontaneously symmetry-broken phases with spin-charge separation through noise correlation measurements
Kerman Gallego-Lizarribar, Sergi Julià-Farré, Maciej Lewenstein +3
Spontaneously symmetry-broken (SSB) phases are locally ordered states of matter characterizing a large variety of physical systems. Because of their specific ordering, their presen…
Frustrated extended Bose-Hubbard model and deconfined quantum critical points with optical lattices at the anti-magic wavelength
Niccolò Baldelli, Cesar R. Cabrera, Sergi Julià-Farré +2
The study of geometrically frustrated many-body quantum systems is of central importance to uncover novel quantum mechanical effects. We design a scheme where ultracold bosons trap…
Stabilization of Hubbard-Thouless pumps through nonlocal fermionic repulsion
Javier Argüello-Luengo, Manfred J. Mark, Francesca Ferlaino +3
Thouless pumping represents a powerful concept to probe quantized topological invariants in quantum systems. We explore this mechanism in a generalized Rice-Mele Fermi-Hubbard mode…
Long time rigidity to flux-induced symmetry breaking in quantum quench dynamics
Lorenzo Rossi, Luca Barbiero, Jan Carl Budich +1
We investigate how the breaking of charge conjugation symmetry impacts on the dynamics of a half-filled fermionic lattice system after global quenches. We show that,…
Higher-order topological Peierls insulator in a two-dimensional atom-cavity system
Joana Fraxanet, Alexandre Dauphin, Maciej Lewenstein +2
In this work, we investigate a two-dimensional system of ultracold bosonic atoms inside an optical cavity, and show how photon-mediated interactions give rise to a plaquette-ordere…
Floquet-engineered nonlinearities and controllable pair-hopping processes: From optical Kerr cavities to correlated quantum matter
Nathan Goldman, Oriana K. Diessel, Luca Barbiero +3
This work explores the possibility of creating and controlling unconventional nonlinearities by periodic driving, in a broad class of systems described by the nonlinear Schrödinger…
Frustrated magnets without geometrical frustration in bosonic flux ladders
Luca Barbiero, Josep Cabedo, Maciej Lewenstein +2
We propose a scheme to realize a frustrated Bose-Hubbard model with ultracold atoms in an optical lattice that comprises the frustrated spin-1/2 quantum XX model. Our approach is b…
Confinement Induced Frustration in a One-Dimensional Lattice Gauge Theory
Matjaž Kebrič, Umberto Borla, Ulrich Schollwöck +3
Coupling dynamical charges to gauge fields can result in highly non-local interactions with a linear confining potential. As a consequence, individual particles bind into mesons wh…
Robust quantum many-body scars in lattice gauge theories
Jad C. Halimeh, Luca Barbiero, Philipp Hauke +2
Quantum many-body scarring is a paradigm of weak ergodicity breaking arising due to the presence of special nonthermal many-body eigenstates that possess low entanglement entropy,…
Revealing the topological nature of the bond order wave in a strongly correlated quantum system
Sergi Julià-Farré, Daniel González-Cuadra, Alexander Patscheider +5
We investigate the topological properties of the bond order wave phase arising in the extended Fermi-Hubbard model. In particular, we uncover a topological sector, which remained e…
Bound state dynamics in the long-range spin- XXZ model
T. Macrì, L. Lepori, G. Pagano +2
Experimental platforms based on trapped ions, cold molecules, and Rydberg atoms have made possible the investigation of highly-nonlocal spin- Hamiltonians with long-range co…
Cold atoms meet lattice gauge theory
Monika Aidelsburger, Luca Barbiero, Alejandro Bermudez +19
The central idea of this review is to consider quantum field theory models relevant for particle physics and replace the fermionic matter in these models by a bosonic one. This is…
Topological quantum critical points in the extended Bose-Hubbard model
Joana Fraxanet, Daniel González-Cuadra, Tilman Pfau +3
The combination of topology and quantum criticality can give rise to an exotic mix of counterintuitive effects. Here, we show that unexpected topological properties take place in a…
Confinement and Mott transitions of dynamical charges in 1D lattice gauge theories
Matjaž Kebrič, Luca Barbiero, Christian Reinmoser +2
Confinement is an ubiquitous phenomenon when matter couples to gauge fields, which manifests itself in a linear string potential between two static charges. Although gauge fields c…
Clustered Superfluids in the One Dimensional Bose-Hubbard model with extended correlated hopping
Julia Stasińska, Omjyoti Dutta, Luca Barbiero +2
Bosonic lattice systems with non-trivial interactions represent an intriguing platform to study exotic phases of matter. Here, we study the effects of extended correlated hopping p…
Homogeneous and domain wall topological Haldane conductors with dressed Rydberg atoms
A. Montorsi, S. Fazzini, L. Barbiero
The interplay between antiferromagnetic interaction and hole motion is capable of inducing intriguing conducting topological Haldane phases described by a finite non-local string o…