Captured: The Sound Of An Atom

Researchers have used sound to communicate with an artificial atom, demonstrating phenomena in quantum physics using sound rather than light. The interaction between atoms and light has been studied extensively but making acoustic waves couple to an artificial atom is a newer endeavor. An artificial atom is an example of such a quantum electrical circuit. Just like a regular atom, it can be charged up with energy which it subsequently emits in the form of a particle. This is usually a particle of light, but the atom in the Chalmers experiment is instead designed to both emit and absorb energy in the form of sound. read more

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