Thermodynamic potential: Difference between revisions

Latest revision as of 13:37, 19 November 2007

Thermodynamic potential ( $\Phi$ ). In the Landau theory of second-order phase transitions the thermodynamic potential takes the form of a power series in the order parameter ( $\eta$ ) (Ref. 1 Eq. 143.1)

\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.

L. D. Landau and E. M. Lifshitz, "Statistical Physics" (Course of Theoretical Physics, Volume 5) 3rd Edition Part 1, Pergamon Press (1980)

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 {{Stub-general}}
-'''Thermodynamic potential''' (<math>\Phi</math>). In the [[Landau theory of second order phase transitions]] the thermodynamic potential takes the form of a [[power series]] in the [[order parameters |order parameter]] (<math>\eta</math>) (Ref. 1 Eq. 143.1)
+'''Thermodynamic potential''' (<math>\Phi</math>). In the [[Landau theory of second-order phase transitions]] the thermodynamic potential takes the form of a [[power series]] in the [[order parameters |order parameter]] (<math>\eta</math>) (Ref. 1 Eq. 143.1)
 :<math>\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 + ...,</math>
 where ''P'' is the [[pressure]] and ''T'' is the [[temperature]].