Effective mass calculations for two-dimensional gas of dipolar fermions

Date
2017
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Source Title
Journal of Low Temperature Physics
Print ISSN
0022-2291
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Publisher
Springer New York LLC
Volume
187
Issue
5-6
Pages
705 - 711
Language
English
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Abstract

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.

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