The Enigma of Axions and Spins

axion antenna concept generated by AI.jpg
In a groundbreaking study published in 2023, Y. Obukhov explores the role of spin in detecting axion-like dark matter within the framework of General Relativity1​. The study extends the flat Minkowski geometry to curved spacetime, suggesting that a precessing spin could serve as an "axion antenna," a novel concept that could revolutionise our understanding of dark matter1​.

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Axion Antenna refers to the theoretical use of precessing spins to detect axion-like particles.

Table 1: Key Terms
TermExplanation
AxionHypothetical elementary particle
Precessing SpinRotational behaviour affecting particle detection

Analysis

Obukhov's study investigates the interplay between particle spin and various forces, including electromagnetic and gravitational, within the context of General Relativity. The paper breaks new ground by extending these principles to curved spacetime and introducing the novel concept of a "precessing spin" as an "axion antenna" for detecting axion-like dark matter. Methodologically sound, the paper enriches the ongoing dialogue in axion physics but would gain further credibility through empirical validation. The inclusion of gravitational effects in the study also adds a layer of complexity and practical implications.

🔮: To strengthen the validity of this theory, advanced telescopes and sensors could be used to detect the potential impact of axion-like particles on observable cosmic events, such as galactic rotation curves or fluctuations in the cosmic microwave background radiation.

Y. Obukhov said:
The enigma of dark matter may be closer to being unraveled.
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1. Obukhov YN. Spin as a probe of Axion Physics in general relativity. International Journal of Modern Physics A. 2023; doi:10.1142/s0217751x23420022