Gravity must be quantized due to consistency with quantum mechanics
Gravitational and quantum theories must be unified because applying standard quantum principles to spacetime or examining high-curvature regions reveals inconsistencies that demand a quantized theory of gravity.
The retrieved literature consistently supports the theoretical premise that combining gravity with quantum mechanics (quantum gravity) is required to resolve foundational inconsistencies, singularities, and divergences in modern physics.
Neukart F, Marx E, Vinokur V. Extending the QMM Framework to the Strong and Weak Interactions.. 2025. https://doi.org/10.3390/e27020153
Paper 1 discusses frameworks aiming to reconcile quantum mechanics and general relativity by treating spacetime in quantum terms.
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Abuqasem I. Energy-Geometry Coupling in Quantum Gravity: Framework and Physical Predictions. 2025. https://doi.org/10.20944/preprints202511.0614.v1
Paper 2 develops mathematical frameworks coupling energy-momentum with quantum gravity and nonlocal quantum effects.
Rossi V, Cacciatori SL, Pesci A. Minimum Spacetime Length and the Thermodynamics of Spacetime.. 2026. https://doi.org/10.3390/e28010097
Paper 3 reviews how theories of quantum gravity imply a minimum spacetime length and discrete structures derived from quantum information.
Diaz NL. From Quantum Time to Manifestly Covariant QFT: On the Need for a Quantum-Action-Based Quantization.. 2026. https://doi.org/10.3390/e28040425
Paper 5 addresses formulating manifestly covariant quantum field theories and spacetime versions of quantum mechanics.
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