Observation of a topological transition in the A3 vortices

J. P. Pekola, K. Torizuka, A. J. Manninen, J. M. Kyynäräinen, G. E. Volovik

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Abstract

Vortices in A3 in low magnetic fields (H20 mT) have been studied by ultrasonics. A first-order phase change between two vortex types, with dissimilar sound absorption, has been found. The magnetic field at the transition is on the order of the dipolar field Hd. The observed change occurs between continuous vortex textures with different topological charges in the field (where is the magnetic anisotropy vector).

Original languageEnglish
Pages (from-to)3293-3296
Number of pages4
JournalPhysical Review Letters
Volume65
Issue number26
DOIs
Publication statusPublished - 1990
MoE publication typeA1 Journal article-refereed

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