Browsing by Subject "Dipole interaction"

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    Effective mass calculations for two-dimensional gas of dipolar fermions
    (Springer New York LLC, 2017) Seydi, I.; Abedinpour, S. H.; Tanatar, Bilal
    We consider a two-dimensional system of ultracold dipolar fermions with dipole moments aligned in the perpendicular direction. We use the static structure factor information from Fermi-Hypernetted-Chain calculations to obtain the effective many-body dipole–dipole interaction and calculate the many-body effective mass of the system within the G0W approximation to the self-energy. A large cancellation between different contributions to the self-energy results in a weak dependence of the effective mass on the interaction strength over a large range of coupling constants.