[Phys-L] Re: Critical Phenomena: Feynman Vol. 2: Fig. 36-15

[Bernard Cleyet <anngeorg@PACBELL.NET>]

" I'll get back to you if I find anything."


I'll appreciate that also.

bc

John Denker wrote:

> Steven Ratliff wrote:
>
>
> > Would you please help me with
> > a question.  I looked at Feynman's figure 36-15 ("spontaneous
> > magnetization as a function of temperature for Nickel").  However, I did
> > not see a systematic  variation.  The first and seventh data points are on

cut

  as a power series in M (let
> alone vice versa).
>
> Additional data (and additional theoretical insight) comes from studying
> other observables, for instance the heat capacity, which does funny
> non-Taylor-expandable things near T=Tc.
>
> I spent a few minutes trying to find an accessible tutorial on
> renormalization group -- without success.  I'll get back to you if
> I find anything.
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