10) Nuclear spin relaxation:

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Lecture 18
10) Nuclear spin relaxation Microscopic
properties

• 10.4 Spectral Density Function J(w)
• Problem Sheet 4 Nuclear Spin Relaxation

• 11) Multipulse Experiments applied to Liquids
  T2
• 11.1 Spin EchoReview
• 11.2 How does the spin-spin coupling (J-coupling)
  effect the spin echo?
• 11.2.1 Heteronuclear AX system
• 11.2.2 Homonuclear AX system

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Transition probabilities
Substitute for
Factor relating to strength and nature of
interaction
Factor relating to spectrum of fluctuations
For a randomly fluctuating field
Lorentzian - Power available from fluctuations at
a given frequency
Exponential decay