Critical Points in Heavy Ion Irradiated Untwinned YBa{sub 2}Cu{sub 3}O{sub 7-} {sub {delta}} Crystals
Journal Article
·
· Physical Review Letters
The critical points in untwinned YBa{sub 2}Cu {sub 3}O{sub 7-{delta}} crystals with dilute columnar defects are investigated. We find a convergence of a first order vortex melting line with an irreversibility line associated with the onset of the Bose glass critical regime at the lower critical point. In addition, we find that columnar defects raise the upper critical point, implying that vortex line meandering is a basic feature controlling its position. (c) 2000 The American Physical Society.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL
- OSTI ID:
- 20216143
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 16 Vol. 84; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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