On the theory of critical currents and flux flow in superconductors by the mechanism of plastic deformation of the flux-line lattice

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In this paper the author will discuss how the nature of the stress state in the flux-line lattice (FLL) of superconductors arises from the distribution, density, geometry, and strength of pinning centers. Under certain conditions this stress causes the onset of plastic deformation in the FLL for values of the current density below that required for flux-flow by general depinning. He will describe an analytic framework, based on a theory of plasticity of the FLL, which describes the flux-flow characteristics, including the possibility of thermally-activated flow and flux creep.

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2 pages

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Welch, D.O. July 1, 1999.

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Description

In this paper the author will discuss how the nature of the stress state in the flux-line lattice (FLL) of superconductors arises from the distribution, density, geometry, and strength of pinning centers. Under certain conditions this stress causes the onset of plastic deformation in the FLL for values of the current density below that required for flux-flow by general depinning. He will describe an analytic framework, based on a theory of plasticity of the FLL, which describes the flux-flow characteristics, including the possibility of thermally-activated flow and flux creep.

Physical Description

2 pages

Notes

INIS; OSTI as DE00355001

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  • 9. international workshop on critical currents, Madison, WI (US), 07/07/1999--07/10/1999; Other Information: Supercedes report DE99003508; PBD: [1999]

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  • Other: DE99003508
  • Report No.: BNL--66318
  • Report No.: CONF-990709--
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 355001
  • Archival Resource Key: ark:/67531/metadc680608

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  • July 1, 1999

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 9, 2015, 10:10 p.m.

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Welch, D.O. On the theory of critical currents and flux flow in superconductors by the mechanism of plastic deformation of the flux-line lattice, article, July 1, 1999; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc680608/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.