Document Detail

Effect of half-quantum vortices on magnetoresistance of perforated superconducting films.
MedLine Citation:
PMID:  21838395     Owner:  NLM     Status:  In-Data-Review    
Recent cantilever magnetometry measurements of annular micron-size samples of Sr_{2}RuO_{4} have revealed evidence for the existence of half-quantum vortices (HQVs) in this material [J. Jang et al., Science 331, 186 (2011)]. We propose to look for HQVs in transport measurements and calculate magnetoresistance of a perforated superconducting film close to the transition temperature in the presence of HQVs. We analyze the dependence of magnetoresistance on the thermodynamic stability of HQVs which, according to Jang et al., can be varied by the application of an in-plane magnetic field and point out features which may help to identify them.
Victor Vakaryuk; Valerii Vinokur
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Publication Detail:
Type:  Journal Article     Date:  2011-07-14
Journal Detail:
Title:  Physical review letters     Volume:  107     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-08-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  037003     Citation Subset:  IM    
Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
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