Speaker
Rachel Nuter
Description
See the full Abstract at http://ocs.ciemat.es/EPS2018ABS/pdf/O5.201.pdf
A wireless solenoïd generated from laserplasma interaction
R.Nuter1, P. Korneev2, I. Thiele3 and V.T. Tikhonchuk1
1
Université Bordeaux, CNRS, CEA, UMR 5107, 33405 Talence, FRANCE
2
National Research Nuclear University 'MEPHi' Moscow, 115409 RUSSIA
3
Chalmers University of Technology, Departement of Physics, SE41296 Göteborg,
SWEDEN
Generating a quasistatic magnetic field from the laserplasma interaction gives rise to
many theoretical[14] and experimental studies[56]. Two approaches are considered : one
consists in designing the target in such way that the interaction with laser generates an
azimutal current [7], another one consists in transfering angular momentum from the laser to
the electrons by considering adapted laser polarization or structured laser spatial shape.
Here we will present a numerical study in which a strongly focused radially polarized laser
beam carrying an orbital angular momentum transfers angular rotation to the plasma
electron in such way that a static magnetic field is generated. The numerical simulations
performed with the 3D Particle In Cell code OCEAN show that the generated quasistatic
magnetic field can be controlled with the laser characteristics : pulse duration, angular
momentum and focal spot. Longitudinal view of magnetic field
Transversal coordinate
Longitudinal coordinate
1 V.I. Berezhiani et al., Physical Review E, 55:995 (1997)
2 R. Hertel, J. of magnetism and magnetic materials, 303 : L1 (2006)
3N. Naseri et al, Physics of plasmas, 17:083109 (2010)
4 S. Ali et al, Physical Review Letters, 105:035001 (2010)
5Z. Najmundin et al., Physical Review Letters, 87:215004 (2001)
6 J.Deschamps et al., Physical Review Letters, 25:1330 (1970)
7 Ph. Korneev et al., New Journal of physics, 19:033023 (2017)
