Macroscopic Modeling of Magnetization and Levitation of Hard Type-II Superconductors: The Critical-State Model

We review the modeling progress of the magnetic response of hard type-II superconductors (SCs) using the critical-state model (CSM). We focus on magnetization loops when a uniform field is applied to the SC and on the levitation forces that appear when the applied field is nonuniform. Different anal...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2013-02, Vol.23 (1), p.8201023-8201023
Main Authors: Navau, C., Del-Valle, N., Sanchez, A.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Critical-state model (CSM)
Current density
Domain effects, magnetization curves, and hysteresis
Exact sciences and technology
General overviews
Levitation
Magnetic levitation
Magnetic properties and materials
Magnetization
Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects
Mathematical analysis
Mathematical models
Nonuniform
Physics
Properties of type I and type II superconductors
Saturation magnetization
Slabs
Superconducting magnets
superconducting modeling
Superconductivity
Superconductors
type-II superconductors (SCs)
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Summary:We review the modeling progress of the magnetic response of hard type-II superconductors (SCs) using the critical-state model (CSM). We focus on magnetization loops when a uniform field is applied to the SC and on the levitation forces that appear when the applied field is nonuniform. Different analytical and numerical solutions of the CSM are discussed, and the main characteristics and parameters of the magnetization loops and levitation forces are reviewed. Although this paper does not pretend to be an exhaustive review of the modeling of type-II SCs or of the superconducting levitation studies, a general overview of some important theoretical models used to understand the hard type-II SC macroscopic behavior is presented.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2012.2232916