A close view inside the main vacuum chamber of the NaK molecules experiment. In the middle four high-voltage copper wires are routed to an ultrahigh-vacuum glasscell where the ultracold polar molecules were produced.
A new method to cool gases of polar molecules to near absolute zero paves the way for studying quantum effects of exotic forms of matter. A close view inside the main vacuum chamber of the NaK molecules experiment. In the middle four high-voltage copper wires are routed to an ultrahigh-vacuum glasscell where the ultracold polar molecules were produced. MPQ - Researchers at the Max Planck Institute of Quantum Optics have developed a novel cooling technique for molecular gases. It makes it possible to cool polar molecules down to a few nanokelvin. The trick used by the team in Garching to overcome this hurdle is based on a rotating microwave field. It helps to stabilise the collisions between the molecules during cooling by means of an energetic shield.
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