• Corpus ID: 119255419

Parametric Resonance and Dark Matter Axion-Like Particles

  title={Parametric Resonance and Dark Matter Axion-Like Particles},
  author={Ariel Arza and Paola Arias and Jorge Gamboa},
  journal={arXiv: High Energy Physics - Phenomenology},
We study the local effects of an external time-dependent magnetic field on axion-like particles assuming they are all the dark matter of the universe. We find that under suitable conditions the amplitude of the dark matter field can resonate parametrically. The resonance depends on the velocity of the axion-like particles and scales quadratically with the strength} of the external magnetic field, $\frac{\rho}{\rho_{DM}} \sim {B_0}^3$. By considering typical experimental benchmark values, we… 

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