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Open Quantum Systems Decoherence Quantum Foundations

The quantum mechanics of experiments

arXiv
Authors: Jürg Fröhlich, Alessandro Pizzo

Year

2026

Paper ID

35663

Status

Preprint

Abstract Read

~2 min

Abstract Words

88

Citations

N/A

Abstract

This note starts with a recapitulation of what people call the "Measurement Problem" of Quantum Mechanics (QM). The dissipative nature of the quantum-mechanical time-evolution of averages of states over large ensembles of identical isolated systems consisting of matter interacting with the radiation field is discussed and shown to correspond to a stochastic time-evolution of states of individual systems. The importance of dissipation for the successful completion of measurements is highlighted. To conclude, a solution of the "Measurement Problem" is sketched in an idealized model of a double-slit experiment.

Why This Paper Matters

  • This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • This note starts with a recapitulation of what people call the "Measurement Problem" of Quantum Mechanics (QM).

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