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Unformatted text preview: electron gas in metals L31 - 31. Mar March 30 08 9:37 PM Lecture Notes Page 1 sum over individual molecules sum over charges in molecule averaging function Length scale: Taylor Expansion We can pull out the derivatives and put everything together: Lecture Notes Page 2 9.4 Macroscopic Displacement vector macroscopic displacement vector 9.5 Evaluation of with 9.6 Magnetisation H as before Lecture Notes Page 3...
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