Composite fermions in medium: Extending the Lipkin model
作者： S. Liebing , D. Blaschke
DOI: 10.1134/S1063779615050160
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摘要: The role of phase space occupation effects for the formation twoand three-particle bound states in a dense medium is investigated within an algebraic approach suitable systems with short-range interactions. It shown that two-fermion due to account exchange symmetry (phase occupation) effect (Pauli blocking) binding energy reduced and vanishes at critical density (Mott effect). For three-fermion states, Faddeev equation approach, intermediate pair correlations leads representation as suitably symmetrized fermion-boson state. Bose enhancement fermion pairs can partially compensate Pauli blocking between fermions. This general result obtained by methods: high appear necessarily Borromean beyond Mott
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