A possible cosmological effect on the quantum-to-classical transition

Details A possible cosmological effect on the quantum-to-classical transition A possible cosmological effect on the quantum-to-classical transition

2006-03-16

arxiv.org/abs/physics/0603136v1

Physics

General Physics

5 pages, 0 figures, submitted to Physical Review Letters

Scientific paper

Although cosmic expansion at very small distances is usually dismissed as entirely inconsequential, these extraordinarily small effects may in fact have a real and significant influence on our world. A calculation suggests that the minute recessional velocities associated with regions encompassed by extended bodies may have a role in creating the distinction between quantum and classical behavior. Using the criterion that the uncertainty in position should be smaller than the size of an object together with estimates based on the range of Hubble velocities extending through the object lead to a threshold size that could provide a fundamental limit distinguishing the realm of objects governed by classical laws from those governed by quantum mechanics.

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