μeV-Deep Neutron Bound States in Nanocrystals.
basic_science · Level V
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- Record sourced from PubMed, PMID 38489522.
- Also identified by DOI 10.1021/acsnano.3c12929.
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Abstract
The strong nuclear force gives rise to the widely studied neutron scattering states and MeV-energy nuclear bound states. Whether this same interaction could lead to low-energy bound states for a neutron in the nuclear force field of a cluster of nuclei is an open question. Here, we computationally demonstrate the existence of μeV-level neutronic bound states originating from the strong interactions in nanocrystals with a spatial extent of tens of nanometers. These negative-energy neutron wave functions depend on the size, dimension, and nuclear spin polarization of the nanoparticles, providing engineering degrees of freedom for the artificial neutronic "molecule".