http://www.cnr.it/ontology/cnr/individuo/prodotto/ID207339
Weibel-Induced Filamentation during an Ultrafast Laser-Driven Plasma Expansion (Articolo in rivista)
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- Weibel-Induced Filamentation during an Ultrafast Laser-Driven Plasma Expansion (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevLett.108.135001 (literal)
- Alternative label
Quinn K. [ 1 ] ; Romagnani L. [ 2 ] ; Ramakrishna B. [ 1 ] ; Sarri G. [ 1 ] ; Dieckmann M.E. [ 1 ] ; Wilson P.A. [ 1 ] ; Fuchs J. [ 2 ] ; Lancia L. [ 2 ] ; Pipahl A. [ 3 ] ; Toncian T. [ 3 ] ; Willi O. [ 3 ] ; Clarke R.J. [ 4 ] ; Notley M. [ 4 ] ; Macchi A. [ 5,6 ] ; Borghesi M. [ 1 ] (2012)
Weibel-Induced Filamentation during an Ultrafast Laser-Driven Plasma Expansion
in Physical review letters (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Quinn K. [ 1 ] ; Romagnani L. [ 2 ] ; Ramakrishna B. [ 1 ] ; Sarri G. [ 1 ] ; Dieckmann M.E. [ 1 ] ; Wilson P.A. [ 1 ] ; Fuchs J. [ 2 ] ; Lancia L. [ 2 ] ; Pipahl A. [ 3 ] ; Toncian T. [ 3 ] ; Willi O. [ 3 ] ; Clarke R.J. [ 4 ] ; Notley M. [ 4 ] ; Macchi A. [ 5,6 ] ; Borghesi M. [ 1 ] (literal)
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- [ 1 ] Queens Univ Belfast, Sch Math & Phys, Ctr Plasma Phys, Belfast BT7 1NN, Antrim, North Ireland
[ 2 ] UPMC, LULI, Ecole Polytech, CNRS,CEA, F-91128 Palaiseau, France
[ 3 ] Univ Dusseldorf, Inst Laser & Plasmaphys, D-40225 Dusseldorf, Germany
[ 4 ] Rutherford Appleton Lab, Cent Laser Facil, Chilton OX11 0QX, Oxon, England
[ 5 ] CNR, Ist Nazl Ott, I-56100 Pisa, Italy
[ 6 ] Univ Pisa, Dipartimento Fis E Fermi, Pisa, Italy (literal)
- Titolo
- Weibel-Induced Filamentation during an Ultrafast Laser-Driven Plasma Expansion (literal)
- Abstract
- The development of current instabilities behind the front of a cylindrically expanding plasma has been investigated experimentally via proton probing techniques. A multitude of tubelike filamentary structures is observed to form behind the front of a plasma created by irradiating solid-density wire targets with a high-intensity (I similar to 10(19) W/cm(2)), picosecond-duration laser pulse. These filaments exhibit a remarkable degree of stability, persisting for several tens of picoseconds, and appear to be magnetized over a filament length corresponding to several filament radii. Particle-in-cell simulations indicate that their formation can be attributed to a Weibel instability driven by a thermal anisotropy of the electron population. We suggest that these results may have implications in astrophysical scenarios, particularly concerning the problem of the generation of strong, spatially extended and sustained magnetic fields in astrophysical jets. (literal)
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