Solution of the Spin‐Hamiltonian with Orthorhombic HF and g‐Tensors (S = 1/2). I. Theory | Zendy

Seth V. P. | Zendy; Yadav A. | Zendy; Bansal R. S. | Zendy

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Solution of the Spin‐Hamiltonian with Orthorhombic HF and g‐Tensors (S = 1/2). I. Theory

Author(s) -

Seth V. P.,

Yadav A.,

Bansal R. S.

Publication year - 1985

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221320125

Subject(s) - isotropy , perturbation (astronomy) , hamiltonian (control theory) , orthorhombic crystal system , physics , spectral line , mathematical physics , axial symmetry , condensed matter physics , mathematical analysis , mathematics , quantum mechanics , diffraction , mathematical optimization

Using perturbation methods a theory is developed to analyse the ESR spectra characterized by ℋ = β H · g · S + S · A · I for S = 1/2. It is found that the perturbation is zero for isotropic g and A. For axially symmetric g and A, the perturbation term is zero when H is along z axis and for H along any other direction perturbation terms should be added which may be very small. For the general orientation of H an expression for the line position of the allowed transition is given.

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