Abstract:
:Magnetic reconnection (MR) is a fundamental plasma process associated with conversion of the magnetic field energy into kinetic plasma energy, which is invoked to explain many non-thermal signatures in astrophysical events. Here we demonstrate that ultrafast relativistic MR in a magnetically dominated regime can be triggered by a readily available (TW-mJ-class) laser interacting with a micro-scale plasma slab. Three-dimensional (3D) particle-in-cell (PIC) simulations show that when the electrons beams excited on both sides of the slab approach the end of the plasma, MR occurs and it gives rise to efficient energy dissipation that leads to the emission of relativistic electron jets with cut-off energy ~12 MeV. The proposed scenario allows for accessing an unprecedented regime of MR in the laboratory, and may lead to experimental studies that can provide insight into open questions such as reconnection rate and particle acceleration in relativistic MR.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Yi L,Shen B,Pukhov A,Fülöp Tdoi
10.1038/s41467-018-04065-3subject
Has Abstractpub_date
2018-04-23 00:00:00pages
1601issue
1issn
2041-1723pii
10.1038/s41467-018-04065-3journal_volume
9pub_type
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