Abstract
Although spin glass transitions have long been observed in diluted magnetic alloys, e.g. AuFe and CuMn alloys, previous numerical studies are not completely consistent with the experiment results. The abnormal critical exponents of the alloys remain still puzzling. By employing parallel tempering algorithm with finite-size scaling analysis, we investigated the phase transitions in canonical AuFe alloys. Our results strongly support that spin glass transitions occur at finite temperatures in the alloys. The calculated critical exponents agree well with those obtained from experiments.
Original language | English |
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Pages (from-to) | 1898-1902 |
Number of pages | 5 |
Journal | Physics Letters, Section A: General, Atomic and Solid State Physics |
Volume | 376 |
Issue number | 24-25 |
DOIs | |
Publication status | Published - 14 May 2012 |
Externally published | Yes |
Keywords
- Correlation length
- Critical exponent
- Magnetic alloy
- Transition