Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 77, Issue 12, Pages -Publisher
PHYSICAL SOC JAPAN
DOI: 10.1143/JPSJ.77.123702
Keywords
SrRUO3; ferromagnetic spin fluctuation; quantum critical point; NMR
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Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan [16076210]
- Japan Society for the Promotion of Science [19350030]
- Grants-in-Aid for Scientific Research [16076210] Funding Source: KAKEN
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We report a novel critical exponent delta approximate to 3/2 of magnetization Curves M alpha H-1/delta near the ferromagnetic quantum phase transitions of Sr(1-x)A(x)RuO(3) (A = Ca, La0.5Na0.5, and La), which the mean field theory of the Ginzburg-Landau-Wilson type fails to reproduce. The effect of dirty ferromagnetic spin fluctuations might be the key to the small delta.
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