Most of the literature says that for a quenched average over disorder, an average over the log of the partition function must be taken:
⟨logZ⟩,
while for the annealed average, it's
⟨Z⟩.
But a while ago, I came across a book that said that the annealed average is not ⟨Z⟩, though I don't remember what it said should be calculated instead.
Does anyone know which book this is, or what they might want to calculate instead of ⟨Z⟩ for the annealed average?
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