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Low Temperature Action in YBa_2Cu_3O_(7-δ)

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. 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
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.74.1442DOIArticle
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.74.1442PublisherArticle
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.
Funders:
Funding AgencyGrant Number
NSFDMR91-20000
Department of Energy (DOE)W-31-109-ENG-38
Issue or Number:8
Classification Code:PACS numbers: 74.60.Ge, 74.50.+r, 74.72.-h
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:03 Oct 2019 06:48

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