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“A Hydrogen-Based Universal Communication Protocol Using Quantum AI for Interstellar

Anil kumar

Published Jul 9, 2025• 0 citations
OpenAlex

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Coherent interactions between matter and radiation in neutral hydrogen clouds in the interstellar medium FERESHTEH RAJABI, MAR-

Tin Houde

interactions between matter and radiation in neutral hydrogen (HI) clouds in the interstellar medium (ISM), with the goal of determining their impact on the measurement of the abundance of the atomic hydrogen. Currently, astrophysicists assume that the interaction between matter and radiation is fully non-coherent in the ISM, and calculate hydrogen abundance based on this assumption. We reexamine this assumption by adapting Dicke’s coherence formalism to different sets of initial conditions in HI clouds in the ISM and by determining the intensity in different ensembles of atoms. We compare this intensity with the one calculated with the non-coherent radiation model, and discuss the importance of potential corrections in abundance measurements. In this study, we have derived the Maxwell-Bloch (MB) equations for an ensemble of N hydrogen atoms interacting with the 21 cm line. The MB equations are solved analytically in the linear regime including homogeneous dephasing mechanisms existing in the ISM. In the non-linear regime, the MB equations are solved numerically for 1) the ideal case where all dephasing mechanisms are neglected, 2) for the case of equal dephasing times. The results suggest possibility of coherent interactions.

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Combining quantum and AI for the next superpower

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Nature Reviews Electrical Engineering•Apr 30, 2024•4 citations
Interstellar probes must operate for decades with long communication delays and limited opportunities for repair. This study explains why anyon qubits—topological qubits built from non‑Abelian anyons—are promising for deep‑space autonomy. We describe how braiding encodes information non‑locally, providing intrinsic robustness against local noise, and how this can support quantum artificial intelligence (AI) for onboard decision‑making. We also discuss why deep space may help: low vibration, high vacuum, and strong passive cooling can reduce decoherence channels. We conclude that anyon qubits combined with quantum AI provide a credible route to secure, autonomous communication beyond the Solar System.
interactions between matter and radiation in neutral hydrogen (HI) clouds in the interstellar medium (ISM), with the goal of determining their impact on the measurement of the abundance of the atomic hydrogen. Currently, astrophysicists assume that the interaction between matter and radiation is fully non-coherent in the ISM, and calculate hydrogen abundance based on this assumption. We reexamine this assumption by adapting Dicke’s coherence formalism to different sets of initial conditions in HI clouds in the ISM and by determining the intensity in different ensembles of atoms. We compare this intensity with the one calculated with the non-coherent radiation model, and discuss the importance of potential corrections in abundance measurements. In this study, we have derived the Maxwell-Bloch (MB) equations for an ensemble of N hydrogen atoms interacting with the 21 cm line. The MB equations are solved analytically in the linear regime including homogeneous dephasing mechanisms existing in the ISM. In the non-linear regime, the MB equations are solved numerically for 1) the ideal case where all dephasing mechanisms are neglected, 2) for the case of equal dephasing times. The results suggest possibility of coherent interactions.