Simulations with mass ratio 100 show Weibel instability generating magnetic seeds that undergo dynamo amplification, with the electron heat-flux closure controlling the shift between kinetic and fluid-like regimes.
& Germaschewski, K.2015 Comparison of multi-fluid moment models with particle-in-cell simulations of collisionless magnetic reconnection.Physics of Plasmas22(1), 012108
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Phase mixing in collisionless electron-ion plasmas generates coherent magnetic seed fields on scales much larger than kinetic scales via electron slippage, with strengths at or above Biermann battery levels.
Presents 24 AREPO+IllustrisTNG zoom-in simulations of clusters above 10^15 solar masses showing converged magnetic fields with volume-averaged plasma beta approximately 100 inside R200 after z~1.2, declining Faraday rotation profiles, and intermittent Braginskii heating approaching cooling rates in
citing papers explorer
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From Weibel seeds to collisionless dynamos beyond pair-plasmas
Simulations with mass ratio 100 show Weibel instability generating magnetic seeds that undergo dynamo amplification, with the electron heat-flux closure controlling the shift between kinetic and fluid-like regimes.
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Collisionless dynamo seeds from phase mixing-induced electron slippage
Phase mixing in collisionless electron-ion plasmas generates coherent magnetic seed fields on scales much larger than kinetic scales via electron slippage, with strengths at or above Biermann battery levels.
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The PICO-Cluster Project: presenting the galaxy cluster sample and studying magnetic field growth, Faraday rotation and Braginskii heating
Presents 24 AREPO+IllustrisTNG zoom-in simulations of clusters above 10^15 solar masses showing converged magnetic fields with volume-averaged plasma beta approximately 100 inside R200 after z~1.2, declining Faraday rotation profiles, and intermittent Braginskii heating approaching cooling rates in