http://books.google.rs/books?id=vrc...=0CB0Q6AEwAA#v=onepage&q=nolting RKKY&f=false(adsbygoogle = window.adsbygoogle || []).push({});

Here in the page 203 is defined ##|\vec{k}_i^{(i)},m_{s_i}^{(i)}\rangle## and also ##|0,f\rangle=|0\rangle|f\rangle##

what that notation means?

What is ##|0,f\rangle=|0\rangle|f\rangle##?

If operator ##\hat{c}_{\vec{k},\sigma}^+## creates electron with wave vector ##\vec{k}## and spin ##\sigma##.

What is

[tex]\hat{c}_{\vec{k},\sigma}^+|0,f\rangle[/tex]?

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# Wave function question

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