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- W2091049884 abstract "Abstract The ground state of a uniform, extended system of alpha particles at zero temperature is studied by a variational method. The alpha particles are treated as elementary bosons and are assumed to interact through two-body potentials fitting the alpha-alpha elastic scattering data. A cluster development is used to evaluate the expectation value of the energy for a trial ground state wave function of Jastrow form. The conventional Bose cluster expansion is modified to cope with the rather strong angular-momentum dependence of the best phenomenological alpha-alpha potentials. Numerical calculations of the two- and three-body cluster contributions to the energy have been performed over a wide range of densities and variational parameters. Some estimates of the four-body terms have also been made. The convergence of the cluster expansions, for the optimally determined variational parameters, appears quite satisfactory. The resulting equations of state for zero-temperature alpha-matter are of interest in relation to the theory of low-density nuclear matter and, more specifically, the problems of nucleon clustering in the nuclear surface." @default.
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- W2091049884 date "1970-10-01" @default.
- W2091049884 modified "2023-10-11" @default.
- W2091049884 title "Ground state properties of alpha matter" @default.
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- W2091049884 doi "https://doi.org/10.1016/0375-9474(70)90914-0" @default.
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