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Crystallization of Bosonic Quantum Hall States
Biswaroop Mukherjee, Airlia Shaffer, Parth B. Patel +5
The dominance of interactions over kinetic energy lies at the heart of strongly correlated quantum matter, from fractional quantum Hall liquids, to atoms in optical lattices and tw…
Resonant and first-order dipolar interactions between ultracold molecules in static and microwave electric fields
Tijs Karman, Zoe Z. Yan, Martin Zwierlein
We theoretically study collisions between ultracold polar molecules that are polarized by microwave or static electric fields. We systematically study the dependence on field stren…
Quantum Register of Fermion Pairs
Thomas Hartke, Botond Oreg, Ningyuan Jia +1
Fermions are the building blocks of matter, forming atoms and nuclei, complex materials and neutron stars. Our understanding of many-fermion systems is however limited, as classica…
Pattern Formation in Quantum Ferrofluids: from Supersolids to Superglasses
J. Hertkorn, J. -N. Schmidt, M. Guo +7
Pattern formation is a ubiquitous phenomenon observed in nonlinear and out-of-equilibrium systems. In equilibrium, quantum ferrofluids formed from ultracold atoms were recently sho…
Supersolidity in Two-Dimensional Trapped Dipolar Droplet Arrays
J. Hertkorn, J. -N. Schmidt, M. Guo +8
We theoretically investigate the ground states and the spectrum of elementary excitations across the superfluid to droplet crystallization transition of an oblate dipolar Bose-Eins…
Roton Excitations in an Oblate Dipolar Quantum Gas
Jan-Niklas Schmidt, Jens Hertkorn, Mingyang Guo +7
We observe signatures of radial and angular roton excitations around a droplet crystallization transition in dipolar Bose-Einstein condensates. In situ measurements are used to cha…