Demonstration of Operational Quantum Unity on Noisy Quantum Hardware: Reproducible Entanglement-Neutral Quantum Structures via Variational Optimization

This study presents an experimental demonstration of a novel quantum phenomenon, termed Operational Quantum Unity (OQU), achieved on noisy intermediate-scale quan tum (NISQ) hardware. Using a variational quantum algorithm, we consistently achieved near-zero entanglement entropy (approximately 1.44×10−15), a global cost function min imum of zero, and reproducible bitstring clusters across multiple runs without classical error correction or post-selection. The circuit, composed of minimal gate sequences ap plied to qubit pairs, exhibits deterministic behavior and symmetric optimal parameters ([1.57,0,1.57,0,1.57,0]). These results, obtained using Qiskit and IBM quantum hard ware, suggest the emergence of a stable quantum information structure, potentially indica tive of a hypothesized quantum soliton or novel quantum state. A comprehensive set of metrics– fidelity, purity, entropy, and measurement counts– were analyzed to confirm the reproducibility and stability of the observed phenomenon. As a preprint, these findings have not undergone peer review and should not be considered conclusive without further validation. This work, completed as of 06:12 PM on Monday, May 19, 2025, establishes a significant milestone in exploring noise-resilient quantum states on NISQ devices.