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Laser induced fusion with simultaneous volume ignition, a spin-off from relativistic heavy ion collisions, was suggested, where implanted nano antennas regulate the light absorption in the fusion target [1,2]. Recent studies of resilience of the nano antennas in vacuum [3] and UDMA-TEGDMA medium [4] concluded that the lifetime of the plasmonic effect is longer in medium, however, less energy was observed in the UDMA-TEGDMA copolymer, due to the smaller resonant size of gold nanoantenna. Here we show how the plasmonic effect behaves in an environment fully capable of ionization, surrounded by Hydrogen atoms. We treated the electrons of gold in the conduction band as strongly coupled plasma. The results show that the protons close to the nanorod's surface follow the collectively moving electrons rather than the incoming electric field of the light and this screening effect is also dependent on the laser intensity.
[1] Csernai LP, Csete M, Mishustin IN, Motornenko A, Papp I, Satarov LM, et al. Radiation-Dominated implosion with flat target. Phys Wave Phenomena (2020)
[2] Csernai LP, Kroó N, Papp I. Radiation dominated implosion with nano-plasmonics. Laser Part Beams (2018)
[3] Papp I, Bravina L, Csete M, Kumari A, et al. Kinetic model evaluation of the resilience of plasmonic nanoantennas for laser-induced fusion. PRX Energy (2022)
[4] Papp I, Bravina L, Csete M, Kumari A, Kinetic model of reso-nant nanoantennas in polymer for laser induced fusion, Frontiers in Physics, 11, 1116023 (2023)
