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cond-mat.quant-gas2015★ 11 cited
Physical dipoles and second order perturbation theory for dipolar fermions in two dimensions
Philipp Lange, Jan Krieg, Peter Kopietz
In two dimensions the Fourier transform of the interaction between two point dipoles has a term which grows linearly in the modulus of the momentum . As a…
cond-mat.quant-gas2014★ 8 cited
Second-order interaction corrections to the Fermi surface and the quasiparticle properties of dipolar fermions in three dimensions
Jan Krieg, Philipp Lange, Lorenz Bartosch +1
We calculate the renormalized Fermi surface and the quasiparticle properties in the Fermi liquid phase of three-dimensional dipolar fermions to second order in the dipole-dipole in…
cond-mat.quant-gas2012★ 3 cited
Damping of phase fluctuations in superfluid Bose gases
Philipp Lange, Peter Kopietz, Andreas Kreisel
Using Popov's hydrodynamic approach we derive an effective Euclidean action for the long-wavelength phase fluctuations of superfluid Bose gases in D dimensions. We then use this ac…