Predictions for Pulsed-Field-Gradient NMR Experiments of Diffusion in Fractal Spaces
β Scribed by R. A. Damion and K. J. Packer
- Book ID
- 123644800
- Publisher
- The Royal Society
- Year
- 1997
- Tongue
- English
- Weight
- 206 KB
- Volume
- 453
- Category
- Article
- ISSN
- 0962-8444
- DOI
- 10.2307/52990
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Theoretical predictions for the spin-echo amplitude attenuation in a field-gradient NMR experiment in a porous medium are presented for both continuous and pulsed spectroscopy. The diffusion is modelled by a random walk process on a fractal network and should correspond to observations in well-chara
Theoretical questions of NMR spin echo attenuation due to diffusion in fractal systems are examined. The mean-square displacement of anomalous diffusion depends sublinearly on time. Therefore, this stochastic process is not invariant against time translation. The correct adjustment of the time scale