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Tuesday, January 30, 2007

BEC Transistors

Atomic 'transistor' may switch using quantum clouds

A special type of matter called a Bose-Einstein condensate could be used to make tiny atomic transistors.

Alex Zozulya and colleagues at Worcester Polytechnic Institute in Massachusetts, and co-workers at the University of Colorado in Boulder, both in the US, have proposed a way to make a transistor that uses atoms instead of electrons.

The new device would consist of a Bose-Einstein condensate – a super-cold gas cloud of atoms that are all in the same quantum state. This exotic material would be manipulated using three adjacent chambers, created by trapping the atoms using either magnetic fields or laser beams.

more on New Scientist Tech


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