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We report on the scalable and deterministic generation and tomographic characterization of entangled states of up to 8 trapped ions and experiments towards entangling ions and photons.
We investigate, both theoretically and experimentally, dipolar relaxation in a gas of magnetically trapped chromium atoms. We find that the large magnetic moment of 6 μB results in an event rate coefficient for dipolar relaxation processes of up to 3.2×10-11 cm3 s-1 in a magnetic field of 44 G. We present a theoretical model based on pure dipolar coupling, which predicts dipolar relaxation rates that...
Instead of using a solid mask to pattern a light beam (optical lithography) we used a mask made of light to pattern a beam of neutral atoms (atom lithography). By making use of two special features of the atom-light interaction we wrote structures with periods below λ/2. In the first approach we inverted the focussing potentials by switching the detuning of the light field during the deposition. The...
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