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Quantum physics

Quantum Decoherence

The process by which a quantum system loses its delicate superposition through unavoidable interaction with its environment, giving rise to the definite, classical world we observe. Decoherence explains why quantum weirdness is hard to see at everyday scales and is a central challenge for building quantum computers.

Highlights

  • Why the quantum world looks classical to us

Across fundamental physics

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.