Unified Action of Superstring-Fabric Spacetime: A Geometric Theory of Gravity, Electromagnetism, Strong and Weak Interactions

We present the Superstring-Fabric Spacetime (SFS) framework, a unified geometric model in which spacetime is treated as a dynamic network of interconnected superstrings. Within this framework, all four fundamental interactions—gravity, electromagnetism, strong, and weak—emerge from a single underlying wave excitation of the spacetime fabric. The unified action principle generates modifiedEinstein, Maxwell, Yang-Mills, and Proca-type equations in a self-consistent manner, providing a common geometric origin for matter and forces. The model predicts particle masses, nuclear binding energies, and low-energy fusion enhancements directly from spacetime geometry, offering testable connections between quantum excitations and macroscopic physical phenomena. This approach bridges the conceptual gap between general relativity and quantum field theory through a single,action-centered framework. A Unified Geometric Theory of Fundamental Interactions in Superstring-Fabric Spacetime Related Works (Superstring–Fabric Spacetime (SFS) Program): Core SFS model formulation (SFS Model):https://doi.org/10.5281/zenodo.17727233 Extended quantum–geometric framework (SFS Model): https://doi.org/10.5281/zenodo.17864031 Geometric origin of electromagnetism (SFS Model):https://doi.org/10.5281/zenodo.18499272 Geometric Origin of the Strong Nuclear Force (SFS Model):https://doi.org/10.5281/zenodo.18498802 Geometric Origin of the weak Nuclear Force (SFS Model): https://doi.org/10.5281/zenodo.18503484 Geometric Interpretation of Low-Energy Nuclear Fusion in (SFS Model): https://doi.org/10.5281/zenodo.18384888 Black Hole Formation and Structure (SFS Model): https://doi.org/10.5281/zenodo.17624334