Magnetic properties of a spin-3 Chromium condensate

TL;DR

This paper investigates the ground state properties of a spin-3 Chromium condensate under magnetic fields, revealing the invalidity of the single-mode approximation and the potential for magnetic-field-induced phase separation.

Contribution

It demonstrates that the single-mode approximation fails under magnetic fields and identifies conditions leading to phase separation in spin-3 Chromium condensates.

Findings

Single-mode approximation is invalid with magnetic fields.

Magnetic fields can induce phase separation.

Possible origin of phase separation discussed.

Abstract

We study the ground state properties of a spin-3 Cr condensate subject to an external magnetic field by numerically solving the Gross-Piteavskii equations. We show that the widely adopted single-mode approximation is invalid under a finite magnetic field. In particular, a phase separation like behavior may be induced by the magnetic field. We also point out the possible origin of the phase separation phenomenon.