- #1
wdlang
- 307
- 0
indeed, the fluctuations should be smaller than the average value of the order parameter
but why choose a volume with size of the correlation length?
why cannot we choose a larger volume? as the volume increases, surely the fluctuations will
decreases relative to the average value
but why choose a volume with size of the correlation length?
why cannot we choose a larger volume? as the volume increases, surely the fluctuations will
decreases relative to the average value