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Nuclear magnetic resonance; radiation; width and shift; Suryan’s line broadening; quantum mechanical calculation

The first quantum theory of the classical radiation damping in nuclear magnetic resonance is presented. Relaxation times and life times arising from the interaction of nuclear spin with the radio-frequency radiation field are calculated. Second-order line shifts are predicted and the existence ofI_z andI_z²-type operators due to photons is pointed out. The predicted line shifts as well as relaxation are found to be measurably large. Numerical estimates are given for protons in water.

K N Shrivastava¹

1. School of Physics, University of Hyderabad, Hyderabad - 500 001

Published

December 1979

Manuscript received

20 June 1979