Physics – Condensed Matter – Quantum Gases
Scientific paper
2011-03-24
Phys. Rev. A 85, 012701 (2012)
Physics
Condensed Matter
Quantum Gases
31 pages, many figures
Scientific paper
10.1103/PhysRevA.85.012701
The Hartree energy shift is calculated for a unitary Fermi gas. By including
the momentum dependence of the scattering amplitude explicitly, the Hartree
energy shift remains finite even at unitarity. Extending the theory also for
spin-imbalanced systems allows calculation of polaron properties. The results
are in good agreement with more involved theories and experiments.
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