Non-relativistic bound states in a finite volume

Details Non-relativistic bound states in a finite volume Non-relativistic bound states in a finite volume

2011-09-21

arxiv.org/abs/1109.4577v1

Physics

High Energy Physics

High Energy Physics - Lattice

26 pages, 4 figures

Scientific paper

10.1016/j.aop.2011.12.015

We derive general results for the mass shift of bound states with angular momentum l >= 1 in a periodic cubic box in two and three spatial dimensions. Our results have applications to lattice simulations of hadronic molecules, halo nuclei, and Feshbach molecules. The sign of the mass shift can be related to the symmetry properties of the state under consideration. We verify our analytical results with explicit numerical calculations. Moreover, we comment on the relations connecting the effective range parameter, the binding momentum of a given state and the asymptotic normalization coefficient of the corresponding wave function. We give explicit expressions for this relation in the shallow binding limit.

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