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TT: Fachverband Tiefe Temperaturen

TT 63: Low-Dimensional Systems: 2D - Theory

TT 63.3: Vortrag

Donnerstag, 10. März 2016, 10:00–10:15, H21

Physical dipoles and second order perturbation theory for dipolar fermions in two dimensions — •Philipp Lange, Jan Krieg, and Peter Kopietz — Institut für Theoretische Physik, Goethe-Universität Frankfurt, Max-von-Laue-Strasse 1, 60438 Frankfurt/Main, Germany

By considering electric physical dipoles, we propose a new regularization for the Fourier transform of the interaction of dipolar fermions in two dimensions. Using this regularization, we calculate the self-energy, the renormalized chemical potential, and the renormalized Fermi surface of dipolar fermions in two dimensions in full second order perturbation theory.