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Anderson orthogonality theorem

The Anderson orthogonality theorem is a theorem in physics by the physicist P. W. Anderson.

It relates to the introduction of a magnetic impurity in a metal. When a magnetic impurity is introduced into a metal, the conduction electrons will tend to screen the potential V(r) that the impurity creates. The N-electron ground state for the system when V(r) = 0, which corresponds to the absence of the impurity and V(r) \neq 0, which corresponds to the introduction of the impurity are orthogonal.


P.W. Anderson, Phys. Rev. Lett., 18, (1967) 1049

P.W. Anderson, Phys. Rev, 164, (1967) 352

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Anderson_orthogonality_theorem". A list of authors is available in Wikipedia.
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