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Calculation of ladder diagrams in arbitrary order

โœ Scribed by Belokurov, V V; Ussyukina, N I

Book ID
127210109
Publisher
Institute of Physics
Year
1983
Tongue
English
Weight
204 KB
Volume
16
Category
Article
ISSN
0305-4470

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A system of fermions with a short-range interaction proportional to the scattering length a is studied at finite density. At any order a n , we evaluate the complete contributions to the energy per particle ฤ’(k f ) arising from combined (multiple) particle-particle and hole-hole rescatterings in the