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Author (up) Niebieskikwiat, D.; Civale, L.; Balseiro, C.A.; Nieva, G. openurl 
  Title Nonglassy relaxation by double kinks in YBa2Cu3O7-delta with columnar defects Type Journal Article
  Year 2000 Publication PHYSICAL REVIEW B Abbreviated Journal  
  Volume 61 Issue 10 Pages 7135-7141  
  Abstract We present long-term relaxation measurements of the irreversible magnetization in YBa2Cu3O7-delta Single crystals with columnar defects. Within the single vortex pinning regime we find a nonglassy response at intermediate currents, in between the half loops and superkinks glassy regimes. We demonstrate that such behavior is due to double kink excitations whose critical nucleus has a size independent of current, and occur even in the presence of pinning energy dispersion.  
  Corporate Author Thesis  
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  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1098-0121 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000085985800092 Approved no  
  Call Number BT @ hernan @ Serial 229  
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