Becoming classical: A possible influence on the quantum-to-classical transition

Details Becoming classical: A possible influence on the quantum-to-classical transition Becoming classical: A possible influence on the quantum-to-classical transition

2006-02-23

arxiv.org/abs/physics/0602161v1

Physics Essays 19 (2006) 1-4

Physics

General Physics

2 pages, 0 figures, submitted to Nature for publication as a brief communication

Scientific paper

Although cosmic expansion at very small distances is usually dismissed as entirely inconsequential, it appears that these extraordinarily small effects may in fact have a real and significant influence on our world. Calculations suggest 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 an uncertainty in position estimated from the spread in velocities associated with its size, the criterion that the uncertainty in position should be smaller than the extension of the object leads 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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