Multi-scale hierarchy from multidimensional gravity
PHYSICS OF THE DARK UNIVERSE(2023)
摘要
We discuss the way of solving the hierarchy problem. We show that starting at the Planck scale, the three energy scales - inflationary, electroweak and the cosmological ones can be restored. A mechanism for generating small parameters that leads to a successful solution of the problem is proposed. The tools involved in the process are f (R) gravity and inhomogeneous extra dimensions. Slow rolling of a space domain from the Planck scale down to the inflationary one gives rise to three consequences: an infinite set of causally disconnected domains (pocket universes) are nucleated; quantum fluctuations in each domain produce a variety of fields and an extra-dimensional metric distribution; these distributions are stabilized at a sufficiently low energy scale.
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关键词
Extra dimension,Gravity,Higgs,Inflation
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