Steady magnetic field generation due to transient field ionization in ultrashort laser-solid interaction

Year: 1999

Authors: Macchi A., Jarque E.C., Bauer D., Cornolti F., Plaja L.

Autors Affiliation: Scuola Normale Super Pisa, Piazza dei Cavalieri 7, 56100 Pisa, Italy; Istituto Nazionale Fisica della Materia, Sezione A, Università di Pisa, Pisa, Italy: Departamento de Fisica Aplicada, Universidad de Salamanca, 37008 Salamanca, Spain; Theoretische Quantenelektronik, TU-Darmstadt, Hochschulstrasse 4A, 64289 Darmstadt, Germany: Dipartimento di Fisica, Università di Pisa, Piazza Torricelli 2, 56123 Pisa, Italy

Abstract: Using particle-in-cell simulations we show that a steady, megagauss magnetic field can be generated due to ionization dephasing in the interaction of an ultrashort laser pulse with a dielectric target. The magnetic field amplitude is limited by the screening of the laser-produced plasma and depends upon the ionization threshold of the target material rather than the laser intensity.

Journal/Review: PHYSICAL REVIEW E

Volume: 59      Pages from: R36  to: R39

KeyWords: laser-plasma interactions; ultrafast ionization; magnetic field generation
DOI: 10.1103/PhysRevE.59.R36

Citations: 8
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