[Pw_forum] why are there two Fermi energies?

[Eduardo Ariel Menendez Proupin]

I am sorry, Murphy's law has just acted. Find the figures here

http://www.gnm.cl/emenendez/uploads/Temp/impurity-energy.eps
http://www.gnm.cl/emenendez/uploads/Temp/impurity-fermi.eps

Finally, I plotted Energy vs magnetization. Indeed, I have a minimum
at total magnetization equal 1. However, the
behavior is strange. The plot of E vs M is linear at each side of the

minimum, with a kink at M=1. Should'n it be rather like a parable ?
Please, see the plots here (above)




Eduardo Menendez
Departamento de Fisica
Facultad de Ciencias
Universidad de Chile
Phone: (56)(2)9787439
URL: http://fisica.ciencias.uchile.cl/~emenendez
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