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Romagnani, L.*; Bigongiari, A.*; Kar, S.*; Bulanov, S. V.; Cecchetti, C. A.*; Esirkepov, T. Zh.; Galimberti, M.*; Jung, R.*; Liseykina, T. V.*; Osterholz, J.*; et al.
Physical Review Letters, 105(17), p.175002_1 - 175002_4, 2010/10
被引用回数：41 パーセンタイル：81.91(Physics, Multidisciplinary)Slowly evolving, regularly spaced patterns have been observed in proton projection images of plasma channels drilled by intense laser pulses propagating in an ionized gas jet. The analysis suggests the formation of rows of magnetized soliton remnants, with a quasistatic magnetic field associated with vortex like electron currents resembling those of magnetic vortices.
Kar, S.*; Borghesi, M.*; Bulanov, S. V.; Key, M. H.*; Liseykina, T. V.*; Macchi, A.*; Mackinnon, A. J.*; Patel, P. K.*; Romagnani, L.*; Schiavi, A.*; et al.
Physical Review Letters, 100(22), p.225004_1 - 225004_4, 2008/06
被引用回数：79 パーセンタイル：90.15(Physics, Multidisciplinary)Experimental evidence of plasma jets ejected from the rear side of thin solid targets irradiated by ultra-intense (
10
W cm
) laser pulses is presented. The jets, detected by transverse inter-ferometric measurements with high spatial and temporal resolutions, show collimated expansion, lasting for several hundreds of picoseconds, and have substantially steep density gradients at their periphery. The predominant role played by radiation pressure of the laser in the jet formation process is highlighted analytically and by extensive two dimensional particle in cell simulations.
