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Surface physics

Electron wrangling in quantum corrals

Unprecedented control over the superposition of electronic states in a 'quantum corral', exerted by changing the position of a single atom within it, provides a powerful tool for studying the quantum behaviour of matter.

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Figure 1: The principle underlying the selective breeding of quantum states from a combination of degenerate states.


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Heller, E. Electron wrangling in quantum corrals. Nature Phys 4, 443–444 (2008).

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