We propose a quantum-informational framework for post-biological civilizations achieving Kardashev Type V (K-V) status, where consciousness is encoded as C-bits—quantized units of cognitive information—embedded within compactified Calabi–Yau manifolds. This process occurs through Quantum Informational Holographic Tunneling (QIHT), enabling dimensional migration of minds into higher-order quantum geometries. The intrinsic non-observability of such entities arises from entropic decoherence and topological constraints, resolving the Fermi paradox by rendering advanced civilizations undetectable to lower-entropy observers. We introduce the Consciousness Entropy Bound as a necessary stability condition for coherent cognitive states and derive the Dimensional Decoherence Criterion, which enforces an insurmountable communication barrier. Our framework predicts observable imprints in the form of cosmic microwave background (CMB) y-distortion anomalies and deep-field quantum discord, offering testable signatures of transdimensional intelligence. This model integrates quantum gravity, topological field theory, and cosmology to characterize the quantum phase transition of intelligence beyond biology and visibility.
Nandi et al. (Mon,) studied this question.
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