Figure 1 | Scientific Reports

Figure 1

From: Relativistic-microwave theory of ball lightning

Figure 1

Ball lightning model.

(a) Microwave bubble model. (b) Relativistic electron bunch generation. In the last leader step, a bunch of runaway electrons emerges from the leader tip, accelerates by electric fields between the leader and ground and undergoes an avalanche. (c) Coherent transition radiation (CTR) of the electron bunch striking the ground or passing through aircraft skins. γ is the relativistic factor of electrons.

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