Helium halo nuclei from low-momentum interactions

TL;DR

This paper calculates the ground-state energies of helium halo nuclei using advanced low-momentum interactions and specialized computational methods, providing insights into their structure and stability.

Contribution

It introduces the application of chiral low-momentum interactions combined with hyperspherical-harmonics and coupled-cluster methods to study helium halo nuclei.

Findings

Accurate ground-state energies for 6He and 8He.

Demonstrates the effectiveness of combined computational approaches.

Provides insights into the halo structure of helium isotopes.

Abstract

We present ground-state energies of helium halo nuclei based on chiral low-momentum interactions, using the hyperspherical-harmonics method for 6He and coupled-cluster theory for 8He, with correct asymptotics for the extended halo structure.