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キーワード:
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要旨:
Anomalies in the magnetization and crystal dilatation have been observed
in the mixed state of UPd2Al3 and CeRu2. To explain the anomalies we
study a superconducting system with large spin susceptibility. We
predict a new superconducting state in which the superconducting order
parameter has a periodic array of planar nodes perpendicular to the
vortices. The nature of this generalized
Fulde-Ferrell-Larkin-Ovchinnikov state is discussed in connection with
the peak effect in the magnetization process of UPd2Al3 and CeRu2.
