AI Article Synopsis
- Ion acceleration in low-density foams occurs when they are hit by ultraintense laser pulses, with experimental and theoretical studies supporting this finding.
- The ion generation is linked to reduced transport of hot electrons, which are affected by the unique structure of the foams.
- Simulations indicate that multi-peak electrostatic fields form at the foam's surfaces, leading to efficient ion acceleration rather than just surface acceleration seen in solid targets.
Article Abstract
Ion acceleration inside low-density foams irradiated by ultraintense laser pulses has been studied experimentally and theoretically. It is found that the ion generation is closely correlated with the suppressed hot electron transport inside the foams. Particle-in-cell simulations suggest that localized electrostatic fields with multi peaks around the surfaces of lamellar layers inside the foams are induced. These fields inhibit hot electron transport and meanwhile accelerate ions inside the foams, forming a bulk acceleration in contrast to the surface acceleration at the front and rear sides of a thin solid target.
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| http://dx.doi.org/10.1103/PhysRevE.72.066404 | DOI Listing |
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