Counting grains of sound

Counting grains of sound

Sound and vibration come in discrete units called phonons, in the same way that light exists as photons. A superconducting device that can count phonons could lead to advances in quantum-information processing. A way to find out how many phonons are in a vibrating nanostructure.

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Bibliographische Detailangaben
Veröffentlicht in:Nature (London) 2019-07, Vol.571 (7766), p.480-481
1. Verfasser: Schliesser, Albert
Format: Artikel
Sprache:eng
Schlagworte:
639/766/483
639/925
Acoustic properties
Acoustics
Bohr, Niels
Crystal structure
Energy
Lithium
Lithium niobates
Measurement
Methods
News And Views
Optical properties
Phonons
Quantum computing
Quantum mechanics
Quantum physics
Qubits (quantum computing)
Sound
Spectroscopy
Spectrum analysis
Vibration
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Beschreibung
Zusammenfassung:Sound and vibration come in discrete units called phonons, in the same way that light exists as photons. A superconducting device that can count phonons could lead to advances in quantum-information processing. A way to find out how many phonons are in a vibrating nanostructure.
ISSN:0028-0836
1476-4687
DOI:10.1038/d41586-019-02233-z