|Author||Brush, S. G.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||CHEMISTRY ♦ ALLOYS ♦ INTERACTIONS ♦ ISING MODEL ♦ LATTICES ♦ MIXING ♦ STATISTICS ♦ THERMODYNAMICS|
|Abstract||The quasi-chemical approximation of Guggenheim for calculating the thermodynamic properties of the Ising model is discussed. The Ising model is where a system of atoms is arranged on a lattice with simple nearestneighbor interactions. This model provides a more or less realistic description of many physical systems. For convenience a calculation is made of a mixture of two kinds of atoms, A and B, the forces between the atoms being such that a (nearest- neighbor) AB pair has an energy larger by an amount epsilon than the average of an AA or BB pair. The method was chosen because it provides a sequence of approximations which is believed to converge to the exact solution. (N.W.R.)|
|Learning Resource Type||Article|
|Publisher Department||Univ. of California, Livermore|
|Publisher Place||United States|
|Journal||Journal of Chemical Physics|
|Technical Publication No.||UCRL-5842-T|
|Organization||Univ. of California, Livermore|
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