Emergence of a Brunnian neutron state
Johannes Kirscher

TL;DR
This paper predicts the possible existence of a stable, multi-neutron nucleus with a Brunnian structure, arising from quantum-statistical effects and P-wave interactions, independent of short-range nuclear details.
Contribution
It introduces a novel quantum-statistical argument for the emergence of a stable multi-neutron state with a Brunnian configuration, unrelated to specific nuclear interaction models.
Findings
Prediction of a stable multi-neutron nucleus
Independence from short-distance nuclear interaction details
Consistency with known light nuclei properties
Abstract
We discuss a quantum-statistical feature of non-relativistic identical fermions whose interaction is predominantly attractive at low energies. Specifically, we consider exotic, multi-neutron nuclei. From the enhancement of an arbitrarily small P-wave interaction between two nucleons, we infer the existence of a particle-stable nucleus composed entirely of neutrons. While we cannot specify the number of neutrons in the system, we predict that none of its substructures is bound. The independence of this deduction from the short-distance structure of the nuclear interaction and its consistency with deuteron, triton, and helium-4 properties is established.
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Taxonomy
TopicsQuantum, superfluid, helium dynamics · Quantum chaos and dynamical systems · Atomic and Subatomic Physics Research
