Physics – Condensed Matter – Superconductivity
Scientific paper
2012-03-26
Physics
Condensed Matter
Superconductivity
Updated references
Scientific paper
Recently Jang et al. reported the observation of half-height magnetization steps in cantilever magnetometry measurements of mesoscopic annular Sr2RuO4 particles. Such magnetization features were interpreted as the presence of half-quantum vortices. In an attempt to examine our findings, very recently Cai et al. (1202.3146) have performed magnetotransport measurements of micron-size rings fabricated from small Sr2RuO4 crystals. While fabrication of such samples and subsequent verification of our findings is highly desirable, we would like to point out that, at the current state of affairs, the direct comparison is incomplete partly due to the fact that the measurements of Cai et al. were lacking an important ingredient -- the in-plane magnetic field. We would also like to offer clarification on few questionable statements made by the authors of 1202.3146.
Budakian Raffi
Chung Suk Bum
Ferguson David G.
Jang Jingak
Roberts Karen
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