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Regular mixed arrays of superconducting π rings and 0 rings have been investigated. Our calculation shows that the free energy of inverse spontaneous magnetization of two π rings indirectly coupled via a 0 ring is lower. The state of the full antiparallel pattern of π rings is favorable in the regular mixed arrays. This is a quantum phase coherence result of superconducting wave functions.
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Keywords:
- superconducting junctions /
- π rings /
- 0 rings /
- spontaneous magnetization
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