Direct observation of vortices in high-Tc superconductors
β Scribed by Akira Tonomura
- Book ID
- 108464286
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 109 KB
- Volume
- 388-389
- Category
- Article
- ISSN
- 0921-4534
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π SIMILAR VOLUMES
We investigate the properties of a point-like vortex, vortex-antivortex pairs and vortex lines in layered superconductors. The formation energy of a single point-like vortex turns out to diverge logarithmically with the size of the sample. The spontaneous creation of vortex-antivortex pairs leads to
The time dependence of the local magnetic flux density B (r, t) and of the magnetic flux β’ (t) is observed directly and dynamically in epitaxially grown high temperature superconducting thin films using the high resolution magneto-optical Faraday effect. After zero field cooling and application of a