Re: [femm] Permanent Magnet Models Library.

[Agnaldo Souza Pereira <agnaldo@xxxxxxxxxx>]

And superconductors, that have the strongest 
diamagnetism of all, may have permeability very close 
to 
zero. In some phase it is identically zero. Thats why 
magnets can float over superconductors.

Agnaldo
>From Rio de Janeiro-Brazil:

> >I thought it was impossible to have a relative 
permeability < 1?
>
>
> Diamagnetic materials have a relative permeability < 
1., e.g. Wismut.
> I don't know if it's corrent in this context but it's 
not impossible. As
> far
> as I know there are permanent magnet materials with 
mu_r<1
>
> Eckart
>
>
>
> 
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