Re: [Phys-l] BEC

[Aloysius Rusli <arusli@home.unpar.ac.id>]

Thank you very much. I will read up in Feynman's volume III which I do 
have at home.
Sincerely,        A Rusli        17 May 2006

John Denker wrote:

> Aloysius Rusli wrote:
>  
>
> > I would like to ask on the recent discoveries of Bose-Einstein 
> > Condensates : It is reported that Rb-85, Rb-87, NA-23, Li-7, are bosons, 
> > while to my understanding they contain odd numbers of protons and/or 
> > neutrons, which should cause them to be fermions instead.
> >    
>
> Don't forget to count the electrons.
>
> The criterion is an even number of fermions (not just an even
> number of protons and/or neutrons).
>
> Feynman volume III chapter 4.
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