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Open Quantum Systems Decoherence

Semiclassical world is one of infinite many cloneworlds in common spacetime

arXiv
Authors: Lajos Diósi

Year

2024

Paper ID

6259

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

We consider N clones of the quantized world, interacting with each other via quantum gravity, coupled by the downscaled Newton constant G/N. In the limit N→infty, we obtain the semiclassical Einstein equation for every single cloneworld. In the non-relativistic limit, De Filippo had already obtained the semiclassical Schrödinger-Newton equation, we present an alternative elementary proof. In the general relativistic case we complete the semi-finished derivation of Hartle and Horowitz. We compare our simple correlated cloneworlds with Stamp's more complicated proposal of correlated worldlines and show why they differ despite the conceptual similarity.

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  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • We consider N clones of the quantized world, interacting with each other via quantum gravity, coupled by the downscaled Newton constant G/N.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2412.05740 [2] arXiv https://arxiv.org/abs/2412.05740 [3] Publisher https://arxiv.org/abs/2412.05740

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