Equation of State
Solving the partition function and using a calculation of the free energy yields an equation describing the magnetization M of the system
for the function g defined as
The internal energy per site is given by
an exact relation relating internal energy and magnetization.
Read more about this topic: Spherical Model
Famous quotes containing the words equation and/or state:
“A nation fights well in proportion to the amount of men and materials it has. And the other equation is that the individual soldier in that army is a more effective soldier the poorer his standard of living has been in the past.”
—Norman Mailer (b. 1923)
“The society would permit no books of fiction in its collection because the town fathers believed that fiction ‘worketh abomination and maketh a lie.’”
—For the State of Rhode Island, U.S. public relief program (1935-1943)