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Impurity effect and vortex cluster phase in mesoscopic type-1.5 superconductors

by Guo Wang, Tian-Yi Han, Jie Li, Hai Huang

Submission summary

Authors (as registered SciPost users): Wang Guo
Submission information
Preprint Link: scipost_202411_00012v1  (pdf)
Date submitted: 2024-11-06 05:14
Submitted by: Guo, Wang
Submitted to: SciPost Physics
Ontological classification
Academic field: Physics
Specialties:
  • Condensed Matter Physics - Experiment
  • Condensed Matter Physics - Theory
  • Condensed Matter Physics - Computational
Approaches: Theoretical, Phenomenological

Abstract

Based on two-band time-dependent Ginzburg-Landau theory, we study the electromagnetic properties of mesoscopic type-1.5 superconductors with different defect configurations. We perform the numerical simulations with the finite element method, and give the direct evidence for the existence of vortex cluster phase in the presence of nonmagnetic impurities. In addition, we also investigate the effects of impurity number and anisotropic defect structure on the patterns of magnetic vortex distributions. Our theoretical results thus indicate that the diversity of impurity deposition has a significant influence on the semi-Meissner state in type-1.5 superconductors.

Author indications on fulfilling journal expectations

  • Provide a novel and synergetic link between different research areas.
  • Open a new pathway in an existing or a new research direction, with clear potential for multi-pronged follow-up work
  • Detail a groundbreaking theoretical/experimental/computational discovery
  • Present a breakthrough on a previously-identified and long-standing research stumbling block
Current status:
In refereeing

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