On the Possible Mechanisms for Temperature-Induced Ferromagnetism
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概要
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Possible occurrence of weak itinerant ferromagnetism in a certain temperature in-terval, with a lower bound at finite temperature, in otherwise paramagnetic metals isstudied taking account of the effect of exchange-enhanced spin fluctuations. Withinthe weakly ferromagnetic regime this phenomenon is shown to be hardly possible;negative mode-mode couplings among the long wavelength modes of spin fluctua-lions do not lead to this phenomenon. Other possible mechanisms for thisphenomenon are discussed in relation to the magnetism of Y.Ni., where such abehavior was reported.
- 社団法人日本物理学会の論文
- 1986-01-15
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