Quantum Gravity and String Theory

   

Multi-Fold Embeddings, Spacetime Matter Induction or Gravity Asymptotically Safe and the Ads/cft Correspondence Conjecture, They All Can Recover the Standard Model

Authors: Stephane H. Maes

In a multi-fold universe, gravity emerges from Entanglement through the multi-fold mechanisms. Space time matter induction in 7D (dominated as a 5D effect) can recover the Standard Model (with gravity: SMG). It is an embedding space that illustrates what any particle "feels" due to the multi-fold mechanisms where paths enter such an extra 3D space, with a dominant 1D effect. The 7D (/5D) flatness and embedding allows to recover the SMG particles as effects of geometric objects in 7D (/5D) on 4D spacetime, and scattering effects at the boundary. Some clarifications of the different dimensions, that should be considered, are discussed in the paper. One also identified an AdS(5) space dual tangent to every point of the multi-fold spacetime, and where multi-folds can live (characterizing also that 1D dominant effect as a scale). It gives the multi-fold version of the AdS/CFT correspondence conjecture. We relate AdS(5) as an outside-in view versus the inside out view of the 7D embedding space.The different dimensions, that are considered for space time matter induction, are consistent with Kaluza Klein theories (constrained and unconstrained, i.e. without imposed compact dimensions), and superstrings or M-theory dimensions. The paper offers a unique clarification of the differences in the required dimensions for KK theories versus unconstrained KK theories used for space time matter induction, and the different embedding theorems behind these approaches. It also hints on why gravity renormalization differs from Yang Mills.A recently published result showed, that renormalizing gravity on the 4D boundary of a AdS(5) spacetime amounts to imposing "flatness" of the corresponding Einsteinian space with negative cosmological constant. The boundary is then characterized by a positive, small cosmological constant, and the model can match the ΛCDM cosmology model. We take this as a demonstration that asymptotic safety of gravity in a dS universe support the Standard Model, and conversely explains why supersymmetry or superstrings are not compatible with SM along with asymptotically safe gravity. Then, the possibility to derive, by induction, the SM particles and fields from the new dS(4) Boundary of AdS(5), stands on its own, especially, as it does not require multi-fold mechanisms. With this, the paper provides a way to add gravity to the CFT side of the AdS/CFT correspondence (conjecture or factual), as we had all along for a multi-fold universe: it is a new AdS(5)/dS(4)[CFT+Asymp. Safe Gravity] correspondence duality, where dS(4) contains CFTs and asymptotically safe gravity.

Comments: 19 Pages. All related details of the projects (and updates) can be found and followed at https://shmaesphysics.wordpress.com/shmaes-physics-site-navigation/.

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Submission history

[v1] 2022-12-11 21:32:00

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