Publication: Critical magnetic field ratio of anisotropic magnetic superconductors
Issued Date
2011-01-01
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ISSN
09214534
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2-s2.0-78650798504
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Mahidol University
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SCOPUS
Bibliographic Citation
Physica C: Superconductivity and its Applications. Vol.471, No.1-2 (2011), 23-25
Suggested Citation
A. Changjan, P. Udomsamuthirun Critical magnetic field ratio of anisotropic magnetic superconductors. Physica C: Superconductivity and its Applications. Vol.471, No.1-2 (2011), 23-25. doi:10.1016/j.physc.2010.10.002 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/11855
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Title
Critical magnetic field ratio of anisotropic magnetic superconductors
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Abstract
The upper critical field, the lower critical field and the critical magnetic field ratio of anisotropic magnetic superconductors are calculated by Ginzburg-Landau theory analytically. The effect of the Ginzburg-Landau parameter (κ 0 ), magnetic susceptibility (χ) and magnetic-to- anisotropic parameter ratio (θ) on the critical field ratio are considered. We find that the value of critical field ratio increases with increasing κ 0 and θ, and decreases with increasing χ. The highest and the lowest value of critical field ratio is found in the diamagnetic superconductors and the ferromagnetic superconductors, respectively. © 2010 Elsevier B.V. All rights reserved.