Weibel instability is a plasma instability that arises in an electron-positron or electron-ion plasma when a non-uniform distribution of charge leads to the growth of transverse electromagnetic waves. This phenomenon is crucial for understanding the behavior of plasmas in various environments, particularly in the presence of energetic beams or particles. Weibel instability can amplify magnetic fields and contribute to turbulence in plasmas, which has implications for both laboratory experiments and astrophysical phenomena.
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