How to solve kondo problem exactly? : Boundary conformal field theory …
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The Kondo problem is important and interesting. It has introduced many key
concepts, such as renormalization group, into condensed matter physics and
continues to play a key role in recent application to mesoscopic physics.
The Kondo problem is the protype of strongly correlated electron system, thus
it requires nonperturbative method to understand the physics near and on the
strong coupling fixed point.
In this talk I outline the boundary conformal field theory approach to the Kondo
problem which provides exact solution at the strong coupling fixed point,
including correlation functions.
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