On the virtual level of two-body interactions and applications to three-body systems in higher dimensions
作者： Simon Barth , Andreas Bitter
DOI: 10.1063/1.5120366
关键词:
摘要: We consider a system of three particles in dimension 4 and higher interacting via short-range potentials, where the two-body Hamiltonians have virtual level at bottom essential spectrum. In dimensions 2 (in case fermions) 3 corresponding three-body Hamiltonian admits an infinite number bound states, which is known as Efimov effect. this work we prove that not dimensions. investigate how symmetries influence effect finiteness discrete spectrum Hamiltonian.
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