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Open Quantum Systems Decoherence Quantum Foundations

Decoherence and the puzzle of quantum Brownian motion in a gas

arXiv
Authors: Lajos Diósi

Year

2020

Paper ID

20128

Status

Preprint

Abstract Read

~2 min

Abstract Words

72

Citations

N/A

Abstract

Heinz-Dieter Zeh's discovery that the motion of macroscopic objects can not, under typical conditions, follow the Schrödinger equation necessitates a suitably modified dynamics. This unfolded a long-lasting puzzle in the open quantum system context: what is the quantum counterpart of the classical Brownian motion in a gas. Presented is a criticism and an open-end discussion of the quantum linear Boltzmann and quantum Fokker-Planck equations - with constant respect for foundational research.

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  • This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
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  • Heinz-Dieter Zeh's discovery that the motion of macroscopic objects can not, under typical conditions, follow the Schrödinger equation necessitates a suitably modified dynamics.

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