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Scale Invariance and Standard Model Unification
The chapter explores scale invariance in wave frequencies and the concept of a scale-invariant power spectrum with a critical exponent, aiming to explain foundational numbers in the universe without introducing new particles. It discusses a theoretical framework merging the standard model and Lambda cold dark matter description, emphasizing the elegant fit between particle experiments and the universe's large-scale behavior. The conversation extends to minimal extensions of the standard model, addressing vacuum fluctuations, vacuum energy, cosmological constants, and the interplay of quantum fields with gravity.