Four-body system of ${}^4\mathrm{He}$ atoms: Dimer-dimer scattering
A. Deltuva
Abstract:The strong short-range repulsion, characteristic to realistic interatomic potentials, complicates the description of weakly-bound few-body systems such as those of 4 He atoms. The present work proposes an approach for solving this problem and applies it to a realistic system of four 4 He atoms. The potential is gradually softened such that rigorous four-body equations for bound and scattering states can be accurately solved in the momentum-space framework, and the results are extrapolated back to the limit of … Show more
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