Acceleration and Emission Mechanism for Wisps in the Crab Nebula

Details Acceleration and Emission Mechanism for Wisps in the Crab Nebula Acceleration and Emission Mechanism for Wisps in the Crab Nebula

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998chphl..15..854j&link_type=abstract

Chinese Physics Letters, Volume 15, Issue 11, pp. 854-855 (1998).

Physics

Scientific paper

A new acceleration and emission mechanism is presented for wisps in the crab nebula. It is suggested that the energy of ultra-relativistic electrons comes mainly from Langmuir wave turbulence acceleration and synchrotron absorption acceleration, then they give rise to synchrotron emission. Langmuir wave turbulence acceleration is the dominant mechanism at epsilon <= epsilon*, while synchrotron absorption acceleration is more important at epsilon > epsilon*. The energy diffusion equation is investigated for ultra-relativistic electrons undergoing different acceleration and derive power-law solution. In wisp 1 region, the synchrotron emission spectra are obtained, and they are x-rays, optical but not radio. The results are consistent with observations.

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