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Realization of the Hofstadter Hamiltonian with ultracold atoms in optical lattices
M. Aidelsburger, M. Atala, M. Lohse +3
We demonstrate the experimental implementation of an optical lattice that allows for the generation of large homogeneous and tunable artificial magnetic fields with ultracold atoms…
Probing real-space and time resolved correlation functions with many-body Ramsey interferometry
Michael Knap, Adrian Kantian, Thierry Giamarchi +3
We propose to use Ramsey interferometry and single-site addressability, available in synthetic matter such as cold atoms or trapped ions, to measure real-space and time resolved sp…
Microscopic observation of magnon bound states and their dynamics
Takeshi Fukuhara, Peter Schauß, Manuel Endres +4
More than eighty years ago, H. Bethe pointed out the existence of bound states of elementary spin waves in one-dimensional quantum magnets. To date, identifying signatures of such…
Single-site- and single-atom-resolved measurement of correlation functions
Manuel Endres, Marc Cheneau, Takeshi Fukuhara +8
Correlation functions play an important role for the theoretical and experimental characterization of many-body systems. In solid-state systems, they are usually determined through…
Expansion dynamics of interacting bosons in homogeneous lattices in one and two dimensions
Jens Philipp Ronzheimer, Michael Schreiber, Simon Braun +6
We experimentally and numerically investigate the expansion of initially localized ultracold bosons in homogeneous one- and two-dimensional optical lattices. We find that both dime…