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IS THE BEAN CRITICAL-STATE SELF-ORGANIZED

Abstract:
A simple one dimensional model to simulate the establishment of the Bean critical state is introduced. It is shown that the dynamics of the flux lines as they enter the superconductor are dominated by 'avalanches'. The distribution of distances moved by vortices in the avalanches obeys a power law with an exponent of -1. This suggests that the Bean state is a self-organised critical state. The density of flux lines is parabolic.
Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Publisher:
Elsevier
Host title:
PHYSICA B
Volume:
194
Issue:
pt 2
Pages:
1815-1816
Publication date:
1994-02-01
DOI:
ISSN:
0921-4526
Pubs id:
pubs:44388
UUID:
uuid:1c313def-0fa8-421a-a9eb-f4f120dade25
Local pid:
pubs:44388
Source identifiers:
44388
Deposit date:
2013-11-17

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