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On the Problem of Cross Relaxation in Systems with Different Axes of Quantization
Author(s) -
Korsava L. G.
Publication year - 1973
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.2220580202
Subject(s) - spins , zeeman effect , quantization (signal processing) , physics , relaxation (psychology) , condensed matter physics , ion , magnetic field , zeeman energy , quantum mechanics , mathematics , psychology , social psychology , algorithm
Specimens with two different types of spins S and I are considered. There is a slight difference between their Zeeman energies and the dependence of the cross‐relaxation probability (1/ T 12 )on the angle between the axes of spin quantization is considered in the general form. It is shown that 1/ T 12 , increases almost by an order of magnitude when the angle between the axes of spin quantization change from 0 to π. In addition, the problem of cross‐relaxation probability is considered for a system of non‐equivalent non‐Kramers S and I ions (doublets). The dependence of 1/ T 12 on the value of the constant magnetic field and on the parameters Δ of the Hamiltonians of non‐Kramers doublets is obtained. In particular, it is shown that in a simple case 1/ T 12 ∼1/ H z 4 .