3 papers
astro-ph.HE2025
Cavitation instability in unmagnetized relativistic pair shocks
Ivan Demidov, Yuri Lyubarsky, Uri Keshet
We investigate the formation of plasma cavities in unmagnetized relativistic pair shocks and demonstrate that these cavities emerge naturally as a nonlinear consequence of asymmetr…
astro-ph.HE2025
Filamentation of the electromagnetic precursor in relativistic quasi-perpendicular electron-positron shocks
Emanuele Sobacchi, Yuri Lyubarsky, Lorenzo Sironi +1
We present a scenario that could explain non-thermal particle acceleration in relativistic quasi-perpendicular electron-positron shocks, such as the termination shock of pulsar win…
astro-ph.HE2024
Collisionless tearing instability in relativistic non-thermal pair plasma and its application to MHD turbulence
Ivan Demidov, Yuri Lyubarsky
Collisionless tearing instability with a power-law distribution function in a relativistic pair plasma with a guide field is studied. When the current sheet is supported by plasma…