Abstract
Magnetic transitions are described by the critical indicesα∼0,β∼1/3,γ∼4/3 while some ferroelectric transitions appear to giveα∼0,βR~1/2,γ∼1. It is pointed out that these two sets of values for the critical indices are allowed by the scaling laws and stability conditions near the phase transitions.
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The authors thank Prof. R. S. Krishnan for his encouragement and Mr. B. Viswanathan for some discussions. The financial assistance from DAE and CSIR is also acknowledged.
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Gopal, E.S.R., Govindarajan, K. The critical point indices of ferroelectric and ferromagnetic phase transitions. Czech J Phys 21, 4–6 (1971). https://doi.org/10.1007/BF01698079
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DOI: https://doi.org/10.1007/BF01698079