Accession Number : AD0434387


Title :   THERMODYNAMICS OF ORDER-DISORDER PHENOMENA.


Descriptive Note : Rept. for Dec 59-Feb 60


Corporate Author : NAVAL ORDNANCE TEST STATION CHINA LAKE CALIF


Personal Author(s) : Green,H S


Report Date : Mar 1964


Pagination or Media Count : 15


Abstract : This report is a development of the paper dealing with the solution of the Association Problem (AP). The method of AP is applicable to a wide class of problems in statistical mechanics, concerning the thermodynamic equilibrium of homogeneous systems. These include crystalline solids, where there is naturally a lattice structure at the microscopic level, but also homogeneous fluids, which can be treated by the cell-cluster theory. The present report is particularly concerned with applications to the thermodynamics of order-disorder transitions, such as occur at the Curie point in ferromagnetic media. The purpose of the repost is to show how the matrix-spinor method can be applied to solve the two-dimensional Ising problem. It is impossible to present a complete reduction of the problem. In some places intuitive reasoning substitutes for mathematical rigor. (Author)


Descriptors :   STATISTICAL MECHANICS , GROUP DYNAMICS , MATRICES(MATHEMATICS) , ALGEBRA


Distribution Statement : APPROVED FOR PUBLIC RELEASE