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| {{Stub-general}} | | {{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> |
| :<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>
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| where ''P'' is the [[pressure]] and ''T'' is the [[temperature]].
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| ==See also== | | ==See also== |
| *[[Internal energy]] (U) | | *[[Internal energy]] (U) |
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| *[[Enthalpy]] (H) | | *[[Enthalpy]] (H) |
| ==References== | | ==References== |
| #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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| [[category: classical thermodynamics]] | | [[category: classical thermodynamics]] |