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LIU Jun-jun, GAN ZI-ZHAO. 2000: FLUCTUATIONS OF FLUX LINES ONTHE SURFACE OF SUPERCONDUCTOR, Acta Physica Sinica, 12(9): 934-943. doi: 10.3321/j.issn:1000-3290.2000.09.010
Citation: LIU Jun-jun, GAN ZI-ZHAO. 2000: FLUCTUATIONS OF FLUX LINES ONTHE SURFACE OF SUPERCONDUCTOR, Acta Physica Sinica, 12(9): 934-943. doi: 10.3321/j.issn:1000-3290.2000.09.010
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  • State Key Laboratory for Mesoscopic Physics and Department of Physics, Beijing University, Beijing 100871, China

FLUCTUATIONS OF FLUX LINES ONTHE SURFACE OF SUPERCONDUCTOR

  • 摘要: In this paper, we study the magnetic structure of the half-ring flux line ended on the surface of a superconductor. The elemental modes for these half-ring flux lines are the half-ellipse flux lines ended on and perpendicular to the surface. The statistics of these half-ring flux lines is, in a certain degree, similar to the vortex-antivortex pairs in thin superconducting films. An abrupt change of the thermodynamic properties for this system takes place at a temperature lower than Tc. It is analogous to the KT transition in thin superconducting films in certain sense.
    Abstract: In this paper, we study the magnetic structure of the half-ring flux line ended on the surface of a superconductor. The elemental modes for these half-ring flux lines are the half-ellipse flux lines ended on and perpendicular to the surface. The statistics of these half-ring flux lines is, in a certain degree, similar to the vortex-antivortex pairs in thin superconducting films. An abrupt change of the thermodynamic properties for this system takes place at a temperature lower than Tc. It is analogous to the KT transition in thin superconducting films in certain sense.
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  • 刊出日期:  2000-09-30

  • State Key Laboratory for Mesoscopic Physics and Department of Physics, Beijing University, Beijing 100871, China

摘要: In this paper, we study the magnetic structure of the half-ring flux line ended on the surface of a superconductor. The elemental modes for these half-ring flux lines are the half-ellipse flux lines ended on and perpendicular to the surface. The statistics of these half-ring flux lines is, in a certain degree, similar to the vortex-antivortex pairs in thin superconducting films. An abrupt change of the thermodynamic properties for this system takes place at a temperature lower than Tc. It is analogous to the KT transition in thin superconducting films in certain sense.

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