From sum rules to RPA: 2. 3He droplets
- 1 January 1993
- journal article
- research article
- Published by Wiley in Annalen der Physik
- Vol. 505 (7) , 666-683
- https://doi.org/10.1002/andp.19935050707
Abstract
We investigate the excitation spectra of closed‐shell 3He droplets using a flexible formulation of the RPA which has been presented in preceeding papers. The calculations are based on an energy functional which thorougly employs finite‐range interactions. We compare the results for different stages in a hierarchy of approximations to the full RPA. We furthermore discuss the consequences of taking the zero‐range limit of the present energy functional, i.e. of using Skyrme‐type interactions.Keywords
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