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Collective states of 3He clusters
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The monopole (L=0) and quadrupole (L=2) strength distributions in normal 3He clusters are calculated within the random-phase approximation. We use a phenomenological, zero-range 3-3He interaction to generate the Hartree-Fock single-particle spectrum and the residual particle-hole interaction. The evolution of the collective modes with the number of atoms in the cluster is discussed.
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SERRA, Llorenç, et al. Collective states of 3He clusters. Physical Review Letters. 1991. Vol. 67, num. 17, pags. 2311-2314. ISSN 0031-9007. [consulted: 15 of June of 2026]. Available at: https://hdl.handle.net/2445/12861