Neutron Fermi Liquids under the presence of a strong magnetic field with effective nuclear forces

TL;DR

This paper calculates Landau Fermi Liquid parameters for pure neutron matter under strong magnetic fields, exploring how these fields influence bulk properties like compressibility and spin susceptibility using effective nuclear forces.

Contribution

It introduces a detailed calculation of Fermi Liquid parameters in magnetized neutron matter with both zero- and finite-range nuclear forces, highlighting magnetic field effects.

Findings

Magnetic fields significantly alter spin susceptibility.

Strong magnetic fields impact isothermal compressibility.

Effective nuclear forces model nuclear interactions accurately.

Abstract

Landau's Fermi Liquid parameters are calculated for non-superfluid pure neutron matter in the presence of a strong magnetic field at zero temperature. The particle-hole interactions in the system, where a net magnetization may be present, are characterized by these parameters in the framework of a multipolar formalism. We use either zero- or finite-range effective nuclear forces to describe the nuclear interaction. Using the obtained Fermi Liquid parameters, the effect of a strong magnetic field on some bulk magnitudes such as isothermal compressibility and spin susceptibility is also investigated.