Mesoscopic quantum coherence in antiferromagnetic molecular clusters

TL;DR

This paper demonstrates quantum tunneling of the Neel vector in an antiferromagnetic molecular cluster using neutron scattering, providing evidence of mesoscopic quantum coherence and coherent tunneling phenomena.

Contribution

It presents experimental evidence of mesoscopic quantum coherence in antiferromagnetic molecular clusters through neutron scattering analysis.

Findings

Evidence of quantum tunneling of the Neel vector

Linewidth analysis indicates coherent tunneling

First demonstration of mesoscopic quantum coherence in such systems

Abstract

From inelastic neutron scattering experiments, we demonstrate quantum tunneling of the Neel vector in the antiferromagnetic molecular ferric wheel CsFe8. Analysis of the linewidth of the tunneling transition evidences coherent tunneling.