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Self-consistent medium polarization in spin-polarized 3He
Dickhoff, Willem H.; Müther, Herbert; Polls Martí, Artur
Universitat de Barcelona
A microscopic calculation of the residual particle-hole (p-h) interaction in spin-polarized 3He is performed. As a starting point the Brueckner G matrix is used which is supplemented by including the phonon exchange terms self-consistently. An important ingredient in this microscopic version of the induced interaction is the treatment of the full momentum dependence of the interaction. This allows a consistent description of the Landau limit (Pauli-principle sum rule for the Landau parameters is fulfilled) but also enables a detailed study of the p-h interaction at finite momentum transfers. A comparison with correlated basis functions results shows good agreement for momentum transfers larger than the Fermi momentum.
Estadística quàntica
Quantum statistics
(c) The American Physical Society, 1987
The American Physical Society

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