Quantum Gravity and String Theory

   

Multi-folds, The Fruit From The Loops? Fixing "Oops for The Loops" May Encounter Multi-folds in General Relativity And The E/G Conjecture

Authors: Stephane H. Maes

In a recent paper, we discussed the details and consequences of an analysis that argues a technical error in the LQG (Loop Quantum Gravity) quantization scheme that may also explain why, so far, LQG can’t recover GR and a classical smooth spacetime so far. In the present paper, we sketch a possible way forward (E/G-LQG) to address these issues. Doing so introduces new terms in the Quantum Gravity Hamiltonian with constraints that are reminiscent of entanglement, or correlation. It links entanglement and quantum gravity as in the E/G conjecture and provides hints of multi-fold mechanisms. This analysis result from work done on the multi-fold theory which resulted in a proposal from multi-fold mechanisms. In a multi-fold universe, gravity emerges from Entanglement through the multi-fold mechanisms. As a result, gravity-like effects appear in between entangled particles, whether they be real or virtual. Long range, massless gravity results from entanglement of massless virtual particles. Entanglement of massive virtual particles leads to massive gravity contributions at very smalls scales. Multi-folds mechanisms also result in a spacetime that is discrete, with a random walk fractal structure and non-commutative geometry that is Lorentz invariant, and where spacetime nodes and particles, can be modeled with microscopic black holes. All these recover General Relativity (GR) at large scales, and semi-classical models remain valid till smaller scale than usually expected. Gravity can therefore be added to the Standard Model resulting in what we defined as SMG. This can contribute to resolving several open issues with the Standard Model without New Physics other than gravity, i.e. no new particles or forces. These considerations hints at an even stronger relationship between gravity and the Standard Model.Hints of the role of entanglement in quantum gravity, derived with the LQG Dirac constrained Hamiltonian program, and its quantization, and also relatable to Lagrangian with LQG spin foams, is a significant result that significant progresses our understanding of the relationship between GR and multi-folds: it could be a way forward to evolve from a qualitative to quantitative multi-fold theory. The multi-folds and the E/G conjecture is actually present in the Hilbert Einstein action. It is just well hidden, and as a quantum effect, it could, understandably, only be discovered when proceeding with the quantization of GR.

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[v1] 2022-12-29 22:22:57

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