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Jürg Fröhlich (ETH Zürich): Results on Interacting Bose Gases

Ort: MPI für Mathematik in den Naturwissenschaften Leipzig,  , Videobroadcast

Video broadcast: Webinar “Analysis, Quantum Fields, and Probability” In this talk recent results in the quantum theory of interacting Bose gases are reviewed. Use is made of <ol><li>a representation of Bose gases as a kind of scalar field theory resulting from a Hubbard-Stratonovich transformation; <li>Ginibre’s Brownian loop representation; <li>an interpolation in the number N of atom species; and <li>simplifications appearing in various limiting regimes. </ol> The purpose is to study phenomena related to Bose-Einstein condensation and properties of polymer chains (N → 0). Some novel support for the conjecture that λ|φ|^{4}_{d}-theory in d ≥ 4 dimensions is non-interacting will also be described. <br /><br /><p><b>Webinar links and passwords and program updates will be distributed via email. If you would like to be added to the mailing list, please sign up for the mailing list at https://lists.uni-leipzig.de/mailman/listinfo/aqfp_announcements</a>.</b></p>

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Beginn: 9. Juli 2020 17:00

Ende: 9. Juli 2020 18:00