Munich Atomchip Group LMU MPQ
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Ultracold atoms coupled to mechanical resonators

Surface forces are very fundamental and show up close to any solid object. Harnessing their effect on trapped BECs close to a mechanical resonator allows us to couple the vibrations of the resonator to collective modes of the BEC. This mechanism could enable the coupling of atoms to nanoscale oscillators like carbon nanotubes. [more]
We propose and analyze a setup to achieve strong coupling between a single trapped atom and a micromechanical membrane. The interaction between the motion of the atom and the membrane is mediated by a quantized light field in a laser-driven high-finesse cavity. [more]
In this project, we aim at observing the magnetic coupling of the spin of a Bose-Einstein condensate to the mechanical oscillations of a nanoscale cantilever with a magnetic tip. In a theoretical proposal we show that the strong coupling regime can be reached in this system. We develop a fabrication process to implement this system on an atom chip. [more]