Publication

Single-site-and single-atom-resolved measurement of correlation functions
Applied Physics B: Lasers and Optics 113, 27–39 (2013)
Correlation functions play an important role for the theoretical and experimental characterization of many-body systems. In solid-state …
Quantum dynamics of a single, mobile spin impurity
Nature Physics 9, 235–241 (2013)
Quantum magnetism describes the properties of many materials such as transition metal oxides and cuprate superconductors. One of its …
Observation of spatially ordered structures in a two-dimensional Rydberg gas
Nature 491, 87–91 (2012)
The ability to control and tune interactions in ultracold atomic gases has paved the way for the realization of new phases of matter. …
The ‘Higgs’ amplitude mode at the two-dimensional superfluid/Mott insulator transition
Nature 487, 454 (2012)
Spontaneous symmetry breaking plays a key role in our understanding of nature. In relativistic quantum field theory, a broken …
Des atomes ultrafroids sous le microscope
Reflets de la Physique 29, 9–11 (2012)
Des atomes ultrafroids peuvent être piégés dans un réseau périodique obtenu à l’aide de faisceaux laser. De même que les électrons dans …
Light-cone-like spreading of correlations in a quantum many-body system
Nature 481, 484–487 (2012)
In relativistic quantum field theory, information propagation is bounded by the speed of light. No such limit exists in the …
Observation of correlated particle-hole pairs and string order in low-dimensional mott insulators
Science 334, 200–203 (2011)
Quantum phases of matter are characterized by the underlying correlations of the many-body system. Although this is typically captured …
Quantum computation architecture using optical tweezers
Physical Review A 84, (2011)
We present a complete architecture for scalable quantum computation with ultracold atoms in optical lattices using optical tweezers …
Coherent light scattering from a two-dimensional Mott insulator
Physical Review Letters 106, (2011)
We experimentally demonstrate coherent light scattering from an atomic Mott insulator in a two-dimensional lattice. The far-field …
Single-spin addressing in an atomic Mott insulator
Nature 471, 319–324 (2011)
Ultracold atoms in optical lattices provide a versatile tool with which to investigate fundamental properties of quantum many-body …