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Complex Dipolar Matter

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Final rept. 1 Aug 2011-31 Jul 2014

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A range of ultracold molecular problems were solved, leading to new opportunities for advanced material development and quantum simulators. These molecules include 1 the already quantum degenerate bialkali singlet sigma case potassium-rubidium KRb and related molecules 2 opto-electrically trapped symmetric top molecules soon to reach quantum degeneracy and common in nature, like methyl fluoride CH3F and 3 the recently evaporatively cooled hydroxyl free radical OH. Research achievements on this grant cycle include A a fundamental understanding of how strongly-interacting fermions pair to make molecules in the presence of a lattice B experimental guidance and specific numerical predictions for five bi-alkali molecules being studied in labs around the world today, including potassium-rubidium C a correction of phase diagrams for dipolar gases necessary to understand experimental measurements and build accurate quantum simulators C a whole new area of quantum many body physics opened up in symmetric top molecules, involving e.g. exotic tunable XYZ magnetism and quantum liquid crystals and D new high precision predictions for the spectra of the hydroxyl free radical absolutely necessary to reach quantum degeneracy. This work resulted in eight publications and papers under review in peer-reviewed journals. Synergistic activities included i organizing an extended program at the Kavli Institute of Theoretical Physics and Kavli symposia for the National Academy of Sciences ii editing a special issue of the New Journal of Physics bringing ultracold molecule researchers from around the world together with a planned collection of over sixty publications iii an edited series on cold atoms and molecules and iv thirty-two invited seminars, sixteen directly on the topic of this grant.

Subject Categories:

  • Atomic and Molecular Physics and Spectroscopy
  • Quantum Theory and Relativity

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