Itinerant Electron;
Anomalous Average;
Cooper Instability;
System Phase Diagram;
Ternary Rare Earth;
D O I:
10.3103/S1062873811050509
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学科分类号:
摘要:
It is shown that the exchange interaction in an ensemble of itinerant electrons gives rise to a super-conducting phase and a mixed phase in which the Cooper instability occurs in the presence of the long-range antiferromagnetic order. A phase diagram determining the regions of existence of the phases mentioned above is constructed.