1k citations · 4.5k across the 42 of their papers we have counts for
42 papers
Emergence of a Landau level structure in dark optical lattices
Sylvain Nascimbene, Jean Dalibard
An optical flux lattice is a set of light beams that couple different internal states of an atom, thereby producing topological energy bands. Here we present a configuration in whi…
Realizing the entanglement Hamiltonian of a topological quantum Hall system
Quentin Redon, Qi Liu, Jean-Baptiste Bouhiron +4
Topological quantum many-body systems, such as Hall insulators, are characterized by a hidden order encoded in the entanglement between their constituents. Entanglement entropy, an…
Superfluid fraction in an interacting spatially modulated Bose-Einstein condensate
G. Chauveau, C. Maury, F. Rabec +7
At zero temperature, a Galilean-invariant Bose fluid is expected to be fully superfluid. Here we investigate theoretically and experimentally the quenching of the superfluid densit…
Precision Measurements of Atom-Dimer Interactions in a Uniform Planar Bose Gas
C. Maury, B. Bakkali-Hassani, G. Chauveau +4
Cold quantum gases, when acted upon by electromagnetic fields, can give rise to samples where isolated atoms coexist with dimers or trimers, which raises the question of the intera…
Realization of an atomic quantum Hall system in four dimensions
Jean-Baptiste Bouhiron, Aurélien Fabre, Qi Liu +5
Modern condensed matter physics relies on the concept of topology to classify matter, from quantum Hall systems to topological insulators. Engineered systems, benefiting from synth…
The cross-over from Townes solitons to droplets in a 2D Bose mixture
B. Bakkali-Hassani, C. Maury, S. Stringari +3
When two Bose-Einstein condensates -- labelled 1 and 2 -- overlap spatially, the equilibrium state of the system depends on the miscibility criterion for the two fluids. Here, we t…
Laughlin's topological charge pump in an atomic Hall cylinder
Aurélien Fabre, Jean-Baptiste Bouhiron, Tanish Satoor +2
The quantum Hall effect occuring in two-dimensional electron gases was first explained by Laughlin, who envisioned a thought experiment that laid the groundwork for our understandi…
Simulating two-dimensional dynamics within a large-size atomic spin
Aurélien Fabre, Jean-Baptiste Bouhiron, Tanish Satoor +2
Encoding a dimension in the internal degree of freedom of an atom provides an interesting tool for quantum simulation, facilitating the realization of artificial gauge fields. We p…
Partitioning dysprosium's electronic spin to reveal entanglement in non-classical states
Tanish Satoor, Aurélien Fabre, Jean-Baptiste Bouhiron +3
Quantum spins of mesoscopic size are a well-studied playground for engineering non-classical states. If the spin represents the collective state of an ensemble of qubits, its non-c…
Realization of a Townes soliton in a two-component planar Bose gas
B. Bakkali-Hassani, C. Maury, Y. -Q. Zou +6
Most experimental observations of solitons are limited to one-dimensional (1D) situations, where they are naturally stable. For instance, in 1D cold Bose gases, they exist for any…
Tan's two-body contact across the superfluid transition of a planar Bose gas
Y. -Q. Zou, B. Bakkali-Hassani, C. Maury +4
Tan's contact is a quantity that unifies many different properties of a low-temperature gas with short-range interactions, from its momentum distribution to its spatial two-body co…
Magnetic dipolar interaction between hyperfine clock states in a planar alkali Bose gas
Y. -Q. Zou, B. Bakkali-Hassani, C. Maury +4
In atomic systems, clock states feature a zero projection of the total angular momentum and thus a low sensitivity to magnetic fields. This makes them widely used for metrological…
Probing chiral edge dynamics and bulk topology of a synthetic Hall system
Thomas Chalopin, Tanish Satoor, Alexandre Evrard +4
Quantum Hall systems are characterized by the quantization of the Hall conductance -- a bulk property rooted in the topological structure of the underlying quantum states. In conde…
Bose-Hubbard physics in synthetic dimensions from interaction Trotterization
L. Barbiero, L. Chomaz, S. Nascimbene +1
Activating transitions between a set of atomic internal states has emerged as an elegant scheme by which lattice models can be designed in ultracold atomic gases. In this approach,…
Probing quantum criticality and symmetry breaking at the microscopic level
Vasiliy Makhalov, Tanish Satoor, Alexandre Evrard +3
We report on an experimental study of the Lipkin-Meshkov-Glick model of quantum spins interacting at infinite range in a transverse magnetic field, which exhibits a ferromagnetic p…
Dynamical symmetry and breathers in a two-dimensional Bose gas
Raphaël Saint-Jalm, Patricia C. M. Castilho, Édouard Le Cerf +5
A fluid is said to be \emph{scale-invariant} when its interaction and kinetic energies have the same scaling in a dilation operation. In association with the more general conformal…
Enhanced magnetic sensitivity with non-gaussian quantum fluctuations
Alexandre Evrard, Vasiliy Makhalov, Thomas Chalopin +4
The precision of a quantum sensor can overcome its classical counterpart when its constituents are entangled. In gaussian squeezed states, quantum correlations lead to a reduction…
Quantum-enhanced sensing using non-classical spin states of a highly magnetic atom
Thomas Chalopin, Chayma Bouazza, Alexandre Evrard +5
Coherent superposition states of a mesoscopic quantum object play a major role in our understanding of the quantum to classical boundary, as well as in quantum-enhanced metrology a…
Anisotropic light-shift and magic-polarization of the intercombination line of Dysprosium atoms in a far-detuned dipole trap
Thomas Chalopin, Vasiliy Makhalov, Chayma Bouazza +8
We characterize the anisotropic differential ac-Stark shift for the Dy nm intercombination transition, induced in a far-detuned nm optical dipole trap, and observe the…
Sound propagation in a uniform superfluid two-dimensional Bose gas
J. L. Ville, R. Saint-Jalm, É. Le Cerf +4
In superfluid systems several sound modes can be excited, as for example first and second sound in liquid helium. Here, we excite propagating and standing waves in a uniform two-di…
Resonant-light diffusion in a disordered atomic layer
R. Saint-Jalm, M. Aidelsburger, J. L. Ville +7
Light scattering in dense media is a fundamental problem of many-body physics, which is also relevant for the development of optical devices. In this work we investigate experiment…
Transmission of near-resonant light through a dense slab of cold atoms
Laura Corman, Jean-Loup Ville, Raphaël Saint-Jalm +5
The optical properties of randomly positioned, resonant scatterers is a fundamentally difficult problem to address across a wide range of densities and geometries. We investigate i…
Loading and compression of a single two-dimensional Bose gas in an optical accordion
J. L. Ville, T. Bienaimé, R. Saint-Jalm +8
The experimental realization of 2D Bose gases with a tunable interaction strength is an important challenge for the study of ultracold quantum matter. Here we report on the realiza…
Optical cooling and trapping of highly magnetic atoms: The benefits of a spontaneous spin polarization
Davide Dreon, Leonid A. Sidorenkov, Chayma Bouazza +3
From the study of long-range-interacting systems to the simulation of gauge fields, open-shell Lanthanide atoms with their large magnetic moment and narrow optical transitions open…