Is the Universe Noise-Sensitive?

Details Is the Universe Noise-Sensitive? Is the Universe Noise-Sensitive?

2007-03-09

arxiv.org/abs/hep-th/0703092v1

Physics

High Energy Physics

High Energy Physics - Theory

A "noise-sensitivity manifesto", 4 pages, remarks welcomed

Scientific paper

The dichotomy between noise-stable and (completely) noise-sensitive stochastic models is of recent interest in probability theory. Of particular interest is the study of lattice models coming from statistical physics. The Fourier transform of noise-sensitive lattice models is concentrated on high eigenvalues and is described by "large" stochastic geometric objects. Noise sensitivity occurs quite surprisingly in various models like critical percolation, and is forced by certain symmetry conditions. It appears that basic models from high-energy physics are noise stable; This is the impression from the basic mathematical frameworks used for describing them, and also from the description in terms of particles and interactions involving a small number of particles. More general stochastic models with noise-sensitive components will not make a difference in measurements involving particles and their interactions, but may provide additional modeling power to proceed where current models are insufficient.

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