Magnetic flux structures of composite superconducting structures with d- and s-waves superconductors (d-dots) |
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| Authors: | M. Kato T. Koyama M. Machida T. Ishida |
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| Affiliation: | 1. Department of Mathematical Sciences, Osaka Prefecture University, 1-1, Gakuencho, Nakaku, Sakai, Osaka 599-8531, Japan;2. Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan;3. CCSE, Japan Atomic Energy Agency, Higashi Ueno 6-9-3, Tokyo 110-0015, Japan;4. Department of Physics and Electronics, Osaka Prefecture University, 1-1 Gakuencho, Nakaku, Sakai, Osaka 599-8531, Japan;5. JST-CREST, 5, Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan |
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| Abstract: | Composite superconducting structures with d- and s-wave superconductors, d-dots, can be used as two state devices. Their functions depend on structures of the spontaneous magnetic field, which appears because of the anisotropy of d-wave superconductivity. Solving two-components Ginzburg–Landau equation, we have investigated magnetic field structures for d-dots with smaller and larger holes around the corners of d-wave superconducting region. And we argued the effect of holes on the magnetic structures. |
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| Keywords: | Nano-scale superconductors d-Wave superconductors Ginzburg– Landau equation |
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