Stripe Phases in Quantum Dipolar Gases

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• Prof. Jordi Boronat, Universitat Politecnica de Catalunya
• Thursday 05 May 2016, 14:15-15:15
• TCM Seminar Room, Cavendish Laboratory.

If you have a question about this talk, please contact Gareth Conduit.

In this talk, I will report on recent results for the many-body physics of dipolar gases obtained in our group using quantum Monte Carlo (QMC) methods. Quantum gases with dipolar interaction allows for the study of the influence of anisotropy at a fully quantum level. I will show as this anisotropy induces the formation of a stripe phase in a system of tilted dipoles in a plane. Using QMC we have been able to determine the phase diagram of planar tilted dipoles as a function of both density and polarization angle, showing the stability limits of the new quantum stripe phase. Results for the one-body density matrix and superfluid fraction of the system show that the stripe phase is superfluid in the limit of zero temperature and thus this system could be an example of the superstripe phase, term introduced in the physics of superconductors.

This talk is part of the Theory of Condensed Matter series.

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