The Kondo effect has been a mysterious enigma since its discovery in the 1960s. Recently, researchers from the University of Stuttgart have made a breakthrough in understanding this effect by observing it in an artificial atom. This artificial atom is a quantum dot, a tiny island of electrons in a semiconductor. The researchers used this quantum dot to investigate the Kondo effect, and observed an unexpected behavior in the electrical conductivity of the dot. This behavior appears to be a signature of the Kondo effect. The findings could have implications for future quantum computing applications.

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source: Phys.org