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Electron images confirm Landau Levels


Physicists have directly imaged Landau Levels for the first time since Nobel Prize-winner Lev Landau conceived of them in 1930.

“On the face of it this might seem far removed from everyday life. However the question of what defines a kilogram is currently being debated, with the spacing between the rings of these Landau levels acting as a kind of marker for a universal weight,” says University of Warwick physicist Rudolf Roemer.

“So next time you measure out your sugar to bake a cake, you might unknowingly be making use of these quantum rings.”

Full story at Futurity.

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Photo credit: U. Warwick

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