Can I read On the Radio Emitting Particles of the Crab Nebula: Stochastic Acceleration Model on EtoBox?
On the Radio Emitting Particles of the Crab Nebula: Stochastic Acceleration Model by Shuta J. Tanaka is a Physics and Astronomy article available to read on EtoBox.
What is On the Radio Emitting Particles of the Crab Nebula: Stochastic Acceleration Model about?
## Abstract The standard shock acceleration model of pulsar wind nebulae (PWNe) does not account for the hard spectrum in radio wavelengths. The origin of the radio-emitting particles is also important to determine the pair production efficiency in the pulsar magnetosphere. Here, we propose a possible resolution for the particle energy distribution in PWNe; the radio-emitting particles are not accelerated at the pulsar wind termination shock but are stochastically accelerated by turbulence inside PWNe. We upgrade our past one-zone spectral evolution model including the energy diffusion, i.e., the stochastic acceleration, and apply to the Crab Nebula. For a particle injection to the stochastic acceleration process, we consider the continuous injection from the supernova ejecta or the impulsive injection associated with supernova explosion. The observed broadband spectrum and the decay of the radio flux are reproduced by tuning the amount of the particle injected to the stochastic acceleration process. Our results imply that some unveiled mechanisms, such as back reaction to the turbulence, are required to make the energies of stochastically and shock accelerated particles comparable
Who reads On the Radio Emitting Particles of the Crab Nebula: Stochastic Acceleration Model?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- Shuta J. Tanaka
- Publisher
- Cambridge University Press; Cambridge University Press (CUP) (ISSN 1743-9213)
- Published
- 2017
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)