Fig. 1From: Acceleration mechanism of radiation belt electrons through interaction with multi-subpacket chorus wavesSchematic illustration of generation and propagation processes of multi-subpacket chorus wave elements. A pair of multi-subpacket chorus wave elements are triggered on the equatorial plane. Each chorus wave element is assumed to propagate northward and southward nearly parallel to Earth’s dipole magnetic field \( {\text{B}}_{0} \)Back to article page