"We
have opened a new door into the quantum world by talking and listening to
atoms", says Per Delsing, head of the experimental research group.
"Our long term goal is to harness quantum physics so that we can benefit
from its laws, for example in extremely fast computers."
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On the right, an artificial atom generates sound
waves consisting of ripples on the surface of a solid. The sound, known as a
surface acoustic wave (SAW) is picked up on the left by a
"microphone" composed of interlaced metal fingers. According to
theory, the sound consists of a stream of quantum particles, the weakest
whisper physically possible. The illustration is not to scale. Credit: Philip
Krantz, Krantz NanoArt. Source: chalmers.se
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