The irreducible tensor method was used to calculate the matrix elements of spin exchanging Hamiltonian for s1=s2=s3=1/2 trinuclear spin system, and the corresponding energy eigenvalues were obtained. A magnetic suscep...The irreducible tensor method was used to calculate the matrix elements of spin exchanging Hamiltonian for s1=s2=s3=1/2 trinuclear spin system, and the corresponding energy eigenvalues were obtained. A magnetic susceptibility formula for this trinuclear spin coupling system was deduced from Heisenberg Dirac van Vleck equation, and extended to special cases, such as equilateral, isosceles triangle or linear trinuclear spin coupling systems.展开更多
文摘The irreducible tensor method was used to calculate the matrix elements of spin exchanging Hamiltonian for s1=s2=s3=1/2 trinuclear spin system, and the corresponding energy eigenvalues were obtained. A magnetic susceptibility formula for this trinuclear spin coupling system was deduced from Heisenberg Dirac van Vleck equation, and extended to special cases, such as equilateral, isosceles triangle or linear trinuclear spin coupling systems.