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Time-Dependent Stochastic Acceleration Model for the Fermi Bubbles
Kento Sasaki, Katsuaki Asano, Toshio Terasawa
We study stochastic acceleration models for the Fermi bubbles. Turbulence is excited just behind the shock front via Kelvin--Helmholtz, Rayleigh--Taylor, or Richtmyer--Meshkov inst…
Stochastic Acceleration Model of Gamma-Ray Burst with Decaying Turbulence
Katsuaki Asano, Toshio Terasawa
The spectral shape of the prompt emissions of gamma-ray bursts (GRBs) is typically expressed by the Band function: smooth joining of two power-law functions for high-energy and low…
Avalanche Photon Cooling by Induced Compton Scattering: Higher-Order Kompaneets Equation
Shuta J. Tanaka, Katsuaki Asano, Toshio Terasawa
Induced Compton scattering (ICS) is an interaction between intense electro-magnetic radiations and plasmas, where ICS transfers the energy from photons to plasmas. Although ICS is…
Time and Space Dependent Stochastic Acceleration Model for the Fermi Bubbles
K. Sasaki, K. Asano, T. Terasawa
Fermi-LAT reveals two huge gamma-ray bubbles existing in the Galactic Center, called 'Fermi Bubbles'. The existence of two microwave bubbles at the same region are also reported by…