Physical limits on information processing

Details Physical limits on information processing Physical limits on information processing

2006-07-12

arxiv.org/abs/hep-th/0607082v2

Phys.Lett. B641 (2006) 99-100

Physics

High Energy Physics

High Energy Physics - Theory

2 pages, revtex, version to appear in Physics Letters B (reference added)

Scientific paper

10.1016/j.physletb.2006.08.018

We derive a fundamental upper bound on the rate at which a device can process information (i.e., the number of logical operations per unit time), arising from quantum mechanics and general relativity. In Planck units a device of volume V can execute no more than the cube root of V operations per unit time. We compare this to the rate of information processing performed by nature in the evolution of physical systems, and find a connection to black hole entropy and the holographic principle.

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