Quasiparticle pairing at arbitrary densities: A soluble model

R. F. Bishop, M. R. Strayer

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    Quasiparticle pairing in a many-body medium, with pairwise boundary-condition model interactions, is discussed within a formalism which treats two-particle and two-hole interactions simultaneously. It is found that the possibility of two sorts of bound pairs one predominantly particle-like, which corresponds at zero density to a free bound state, and the other predominantly hole-like, which appears only above a certain critical density, and show that they form a continuous spectrum.
    Original languageEnglish
    Pages (from-to)L13-L18
    Number of pages6
    JournalJournal of Physics G: Nuclear Physics
    Publication statusPublished - 1977


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