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:
“Jail sentences have many functions, but one is surely to send a message about what our society abhors and what it values. This week, the equation was twofold: female infidelity twice as bad as male abuse, the life of a woman half as valuable as that of a man. The killing of the woman taken in adultery has a long history and survives today in many cultures. One of those is our own.”
—Anna Quindlen (b. 1952)
“The State must follow, and not lead, the character and progress of the citizen.”
—Ralph Waldo Emerson (18031882)