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Axion-Plasmon Polaritons in Strongly Magnetized Plasmas
H Terças1, J D Rodrigues1, J T Mendonça1
1Instituto de Plasmas e Fusão Nuclear, 1049-001 Lisboa, Portugal and Instituto Superior Técnico, 1049-001 Lisboa, Portugal.
Physical Review Letters
|May 19, 2018
Summary
Hypothetical axions, potential dark matter candidates, may interact with plasma waves. This interaction could create a new quasiparticle, the axion-plasmon polariton, detectable in experiments.
Area of Science:
- * Theoretical physics
- * Plasma physics
- * Particle physics
Background:
- * Axions are hypothetical particles proposed to explain charge-parity symmetry violation in the standard model.
- * They are considered leading candidates for dark matter.
- * Current research involves various experimental approaches to detect axions.
Purpose of the Study:
- * To investigate the potential coupling between axions and electrostatic (Langmuir) modes in magnetized plasma.
- * To predict the existence of a novel quasiparticle, the axion-plasmon polariton.
- * To identify experimental signatures for axion detection via plasma wave modifications.
Main Methods:
- * Theoretical prediction of axion-plasmon polariton formation.
- * Analysis of the modification to the dispersion relation of Langmuir waves due to axion coupling.
- * Estimation of experimental accessibility in current plasma experiments.
Main Results:
- * A new quasiparticle, the axion-plasmon polariton, is predicted to form from the coupling of axions and Langmuir waves.
- * The dispersion relation of Langmuir waves is predicted to be significantly altered by the presence of axions.
- * This modification is expected to be observable in advanced plasma experiments.
Conclusions:
- * The study provides a theoretical framework for detecting axions through their interaction with magnetized plasma.
- * The predicted axion-plasmon polariton offers a novel avenue for experimental axion searches.
- * The findings suggest that plasma-based experiments can be utilized to probe axion physics and potentially discover dark matter candidates.
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