Landau theory of phase transitions
In the Landau theory of second order phase transitions of Lev Davidovich Landau, the thermodynamic potential takes the form of a power series in the order parameter () (Ref. 1 Eq. 143.1)
- Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle \left.\Phi (P,T,\eta )\right.=\Phi _{0}+\alpha (P,T)\eta +A(P,T)\eta ^{2}+C(P,T)\eta ^{3}+B(P,T)\eta ^{4}+...,}
where P is the pressure and T is the temperature.
References
- Lev Davidovich Landau "", Physikalische Zeitschrift der Sowjetunion 11 pp. 26-47 (1937)
- Lev Davidovich Landau "", Physikalische Zeitschrift der Sowjetunion 11 pp. 545-555 (1937)
- L. D. Landau and E. M. Lifshitz, "Statistical Physics" (Course of Theoretical Physics, Volume 5) 3rd Edition Part 1, Chapter XIV, Pergamon Press (1980)
- A P Cracknell, J Lorenc and J A Przystawa "Landau's theory of second-order phase transitions and its application to ferromagnetism", Journal of Physics C: Solid State Physics 9 pp. 1731-1758 (1976)