Abstract
The hyperfine interactions provide basis to study structure of solids through the Mossbauer resonance. When a Mossbauer gamma‐ray emitting or absorbing nucleus is placed in a crystalline environment, the quadrupole moment of the nucleus interacts with the electric field gradient set up by the ligands around it. As a consequence, m‐quantum states get mixed up, if asymmetry parameter is non zero. In the transition |5/2〉→|3/2〈 six lines are obtained. It is found that the Kramer’s degeneracy in energy states exists. Applying the multipole radiation field theory and density matrix formalism, the determinant of coherency matrix, intensity and degree of polarization have been calculated for each line. The coherency matrix, the intensity and the degree of polarization are found non zero.
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