[G] Phase Stability and Phase Transformations

9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[136] Entropy and abnormal specific heat capacity in the pair unit-cell model of phase transition

○Kubo Horoshi¹ (1. Shizuoka Institute of Science and Technology)

Keywords:

Statistical thermodynamics,Pair unit-cell model,Free enery in phase transition,Fluctuation and expectation value,Sequence rule of alternaing series

「対相関単位胞モデル」こそが、BaTiO₃結晶の立方晶→正方晶（強誘電性）相転移を、定量的に正確に記述しているということをエントロピーの出自と異常比熱スペクトラムを通して証明する．