Seidler, G. T. and Rosenbaum, T. F. and Beauchamp, K. M. and Jaeger, H. M. and Crabtree, G. W. and Welp, U. and Vinokur, V. M. (1995) Low Temperature Action in YBa_2Cu_3O_(7-δ). Physical Review Letters, 74 (8). pp. 1442-1445. ISSN 0031-9007. doi:10.1103/PhysRevLett.74.1442. https://resolver.caltech.edu/CaltechAUTHORS:20140707-163035872
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Abstract
We have performed a high-resolution study of the temperature dependence of vortex dynamics for 5×10^(−4)<T/Tc<10^(−2) in untwinned single crystals of the high-T_c superconductor, YBa_2Cu_3O_(7-δ). Through the introduction of a “bithermal” magnetization relaxation technique, we have uncovered a previously unresolved, linear temperature contribution to the semiclassical action for vortex tunneling. Finally, we have compared the weak and strong pinning regimes through heavy ion irradiation of a series of crystals.
| Item Type: | Article | |||||||||
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| Alternate Title: | Low Temperature Action in YBa2Cu3O7-δ | |||||||||
| Additional Information: | © 1995 The American Physical Society. Received 1 September 1994. The work at the University of Chicago and at Argonne National Laboratory was supported by the National Science Foundation (Grant No. DMR91-20000) through the Science and Technology Center for Superconductivity. G. W. C. acknowledges support from the U.S. Department of Energy, Basic Energy Sciences-Materials Science under Contract No. W-31-109-ENG-38. | |||||||||
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| Issue or Number: | 8 | |||||||||
| Classification Code: | PACS numbers: 74.60.Ge, 74.50.+r, 74.72.-h | |||||||||
| DOI: | 10.1103/PhysRevLett.74.1442 | |||||||||
| Record Number: | CaltechAUTHORS:20140707-163035872 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140707-163035872 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 47000 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 10 Jul 2014 22:03 | |||||||||
| Last Modified: | 10 Nov 2021 17:32 |
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