Abstract
AbstractWe present a new model for the coherent radio emission of pulsars that succeeds in reproducing observed luminosities at emission heights of 50-100 pulsar radii. Based on energy conservation and propagation effects we apply the concept of a free electron maser (FEM) to the creation of coherent radio emission. With the characteristic frequencyν≃γ2νpe(νpedenotes the plasma frequency andγis the Lorentz factor of the emitting particles) we find that even for the lowest frequencies at which the highest degree of coherence is required only low energy particles (γ≃ 10) with Goldreich-Julian-density are necessary. Because of its low energy budget we call itthree-liter-pulsar.
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