Aging phenomena in spin glass and ferromagnetic phases : domain growth and wall dynamics


PACS. 02.75.50.Lk – Spin glasses and other random magnets. PACS. 03.75.10.Nr – Spin-glass and other random models. Abstract. – We compare aging in a disordered ferromagnet and in a spin glass, by studying the different phases of a reentrant system. We have measured the relaxation of the low-frequency ac susceptibility χ, in both the ferromagnetic and spin… (More)

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