Time-Reversed Antiferromagnetic States in Dysprosium Aluminum Garnet

Abstract

The field dependences of the magneto-optical rotation of the two time-reversed states of antiferromagnetic dysprosium aluminum garnet show significant differences. These are interpreted in terms of the spatial variation in the signs of the spin-spin interactions demanded by the crystal symmetry. The coexistence of the two time-reversed states has been studied by microscopy made possible by the rotation difference and also by a striking "decoration" of the domain walls by paramagnetic nuclei.

Identifiers

DOI

10.1103/physrevlett.33.98

Citations and references