Postquantum Gravity via Coherence-Gated Spacetime: A Resolution to the Information Paradox

We propose a novel framework for hybrid quantum-classical dynamics where the classical space-time manifold strictly decouples from pure, phase-coherent quantum superpositions. We intro-duce a “coherence-gated” stress-energy tensor that evaluates to zero for systems maintaining quan-tum phase coherence, rendering uncollapsed wavefunctions gravitationally naked. Spacetime cur-vature emerges exclusively upon environmental or intrinsic decoherence. This framework natu-rally resolves the Black Hole Information Paradox by establishing non-unitary information lossas a fundamental, gravitationally induced feature of nature rather than a breakdown of quantummechanics. We derive the empirical constraints on the new gravitational decoherence constant(1.0 × 1054 ≤ γg ≤ 1.60 × 1062 kg−2m−2s−1) using data from LISA Pathfinder and macromoleculeinterferometry, and demonstrate local energy-momentum conservation (∇μTμν = 0) via a stochasticdiffusion tensor during state reduction.