3 papers
astro-ph.HE2026
Collisionless Shock Driven by a Supersonic Velocity Shear
Kazuki Kamiido, Yutaka Ohira
The long-term evolution of a relativistic collisionless velocity shear in an unmagnetized electron-positron plasma is investigated using a first-principle particle-in-cell simulati…
astro-ph.HE2025
Collisionless shocks having relativistic velocities in relativistically hot plasmas
Kamiido Kazuki, Ohira Yutaka
Shocks in relativistically hot plasmas are thought to exist in various high-energy astrophysical phenomena, but it is not clear how relativistic collisionless shocks are formed, wh…
astro-ph.HE2024
Collisionless shock in a relativistically hot unmagnetized electron-positron plasma
Kamiido Kazuki, Ohira Yutaka
In this work, we investigate collisionless shocks propagating in a relativistically hot unmagnetized electron-positron plasmas. We estimate the dissipation fraction at shocks in th…