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Investigation of dephasing rates in an interacting Rydberg gas
U. Raitzsch, R. Heidemann, H. Weimer +6
We experimentally and theoretically investigate the dephasing rates of the coherent evolution of a resonantly driven pseudo spin emersed in a reservoir of pseudo spins. The pseudo…
Novel binding mechanism for ultra-long range molecules
V. Bendkowsky, B. Butscher, J. Nipper +3
Molecular bonds can be divided into four primary types: ionic, covalent, van der Waals and hydrogen bonds. At ultralow temperatures a novel binding type emerges paving the way for…
Quantum critical behavior in strongly interacting Rydberg gases
Hendrik Weimer, Robert Löw, Tilman Pfau +1
We study the appearance of correlated many-body phenomena in an ensemble of atoms driven resonantly into a strongly interacting Rydberg state. The ground state of the Hamiltonian d…
d-wave collapse and explosion of a dipolar Bose-Einstein condensate
Thierry Lahaye, Jonas Metz, Bernd Froehlich +7
We investigate the collapse dynamics of a dipolar condensate of 52Cr atoms when the s-wave scattering length characterizing the contact interaction is reduced below a critical valu…