Browsing Physics & Atmospheric Science by Subject "Spin Hamiltonians"
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Critical behavior of two-dimensional magnetic systems with dipole-dipole interactions
(1989-01/01)The critical exponents of two-dimensional dipolar magnetic systems with isotropic in-plane ordering may be obtained from the expansion which determines the exponents of isotropic three-dimensional dipolar systems. However, ... -
Lattice sums for dipolar systems
(1987-12/01)A general method for the evaluation of lattice sums determining the effective parameters in the Hamiltonian of a dipolar magnetic system is described. The anisotropy of the Hamiltonian is examined for crystal structures ...