PIC simulations show E·B ≠ 0 regions reduce magnetic helicity in sub-ion turbulence, and a new history-dependent helicity density produces time-independent intermediate-scale plateaus consistent with cancellation-dominated 2D decay.
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Hybrid simulations of tearing reconnection show magnetic energy converts to ion bulk flows and heating in the nonlinear phase, with island contraction driving parallel ion temperature anisotropy that firehose instabilities regulate by redistributing energy to the perpendicular direction.
Coherent structures that self-consistently emerge in strong MHD turbulence serve as the dominant sites for localized electric-field intensification and repeated particle acceleration across cosmic plasmas.
citing papers explorer
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Kinetic Route to Helicity-Constrained Decay
PIC simulations show E·B ≠ 0 regions reduce magnetic helicity in sub-ion turbulence, and a new history-dependent helicity density produces time-independent intermediate-scale plateaus consistent with cancellation-dominated 2D decay.
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Tearing Driven Reconnection: Energy Conversion Involving Firehose Kinetic Instabilities (2D Hybrid M\"obius Simulations)
Hybrid simulations of tearing reconnection show magnetic energy converts to ion bulk flows and heating in the nonlinear phase, with island contraction driving parallel ion temperature anisotropy that firehose instabilities regulate by redistributing energy to the perpendicular direction.
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Strong MHD Turbulence and Coherent Structures as Drivers of Cosmic Particle Acceleration
Coherent structures that self-consistently emerge in strong MHD turbulence serve as the dominant sites for localized electric-field intensification and repeated particle acceleration across cosmic plasmas.