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Related papers: Radiation dominated implosion with flat target

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We identify the desired characteristics and parameters of a beta>1 magnetized plasma, possibly with highly tangled, open field lines, that could be a suitable target to be compressed to fusion conditions by a spherically imploding plasma…

Plasma Physics · Physics 2020-04-01 Scott C. Hsu , Samuel J. Langendorf

Ion beam requirements for fast ignition are investigated by numerical simulation taking into account new effects such as ion beam divergence not included before. We assume that ions are generated by the TNSA scheme in a curved foil placed…

Plasma Physics · Physics 2015-06-23 J. J. Honrubia , M. Murakami

A recent neutron analysis of experiments conducted at the National Ignition Facility (NIF) has revealed deviations from the Maxwellian distributions in the ion relative kinetic energy of burning plasmas, with the surprising emergence of…

Plasma Physics · Physics 2024-08-06 Y. H. Xue , D. Wu , J. Zhang

The different behaviours of deuterium (D) and tritium (T) in the hot spot of marginally-igniting cryogenic DT inertial-confinement fusion (ICF) targets are investigated with an ion Fokker-Planck model. With respect to an equivalent…

Plasma Physics · Physics 2015-06-22 Aurelie Inglebert , Benoit Canaud , Olivier Larroche

The design of inertial confinement fusion (ICF) ignition targets requires radiation-hydrodynamics simulations with accurate models of the fundamental material properties (i.e., equation of state, opacity, and conductivity). Validation of…

Although the interaction of a flat-foil with currently available laser intensities is now considered a routine process, during the last decade emphasis is given to targets with complex geometries aiming on increasing the ion energy. This…

Plasma Physics · Physics 2020-06-03 P. Hadjisolomou , S. V. Bulanov , G. Korn

We perform 2D and 3D kinetic simulations of reconnection-mediated turbulent flares in a magnetized electron-positron plasma, with weak and strong radiative cooling. Such flares can be generated around neutron stars and accreting black…

High Energy Astrophysical Phenomena · Physics 2021-11-17 J. Nättilä , A. M. Beloborodov

Recent implosion experiments performed at the OMEGA laser facility reported by Casey et al.[1], displayed an anomalously low dd proton yield and a high tt neutron yield as compared to dt fusion reactions, explained as a stratification of…

Plasma Physics · Physics 2013-03-20 Hua Zheng , Aldo Bonasera

The prospects for achieving net energy production with pB11 fuel have recently considerably brightened. Studies have shown that the multi-GG field potentially obtainable with modest dense plasma focus devices have the effect of reducing the…

Plasma Physics · Physics 2007-10-17 Eric J. Lerner , Robert E. Terry

The success of direct laser-driven inertial confinement fusion (ICF) relies critically on the efficient coupling of laser light to plasma. At ignition scale, the absolute stimulated Raman scattering (SRS) instability can severely inhibit…

Plasma Physics · Physics 2020-08-19 A. V. Maximov , J. G. Shaw , J. P. Palastro

Rapid recent development in laser technology and methods learned from relativistic heavy ion physics led to new possibilities for fusion. Using a Hydrogen rich UDMA-TEGDMA polymer fusion target, laser irradiation ionizes the target. If we…

The existence of efficient ion acceleration regimes in collective laser-plasma interactions opens up the possibility to develop high-energy physics facilities in conjunction with projects for inertial confinement nuclear fusion (ICF) and…

Accelerator Physics · Physics 2009-11-11 F. Terranova , S. V. Bulanov , J. L. Collier , H. Kiriyama , F. Pegoraro

Propagation of intense laser beams is crucial for inertial confinement fusion, which requires precise beam control to achieve the compression and heating necessary to ignite the fusion reaction. The National Ignition Facility (NIF), where…

Plasma Physics · Physics 2015-06-26 Pavel M. Lushnikov , Harvey A. Rose

The use of magnetic fields to improve the performance of hohlraum-driven implosions on the National Ignition Facility (NIF) is discussed. The focus is on magnetically insulated inertial confinement fusion (ICF), where the primary field…

In contrast to the broad stream of sustainable developments on fusion energy, new aspects are developed now by applying ultra-short, ultra-powerful laser pulses in a plasma-block ignition scheme by avoiding the well known difficulties of…

Plasma Physics · Physics 2014-12-16 Heinrich Hora

The possibility of fusion ignition in proton-Boron$^{11}$ plasma is strongly enhanced if the energy from the fusion-produced $\alpha$ particles is channeled to fast protons, but in an environment in which most of the protons are thermally…

Plasma Physics · Physics 2022-12-05 E. J. Kolmes , I. E. Ochs , N. J. Fisch

The detonation behaviors during thermonuclear burning indicate a state of robust hot spot burning and are widely present in astronomical phenomena, such as supernovae. In this work, we propose an analytical model including alpha-particle…

Plasma Physics · Physics 2024-12-18 Bohan Shen , Junjue Liao , Renjie He , Zekun Xu , Fuyuan Wu , Jie Zhang

Burn efficiency is a key for commercial feasibility of fusion power station for inertial fusion energy, while burn efficiency is usually lower than 30% in the central ignition scheme of inertial confinement fusion (ICF). A recent conceptual…

Plasma Physics · Physics 2024-12-25 Yongsheng Li , Ke Lan , Hui Cao , Yao-Hua Chen , Xiaohui Zhao , Zhan Sui

The first simulations employing a kinetic treatment of both fuel and shell ions to model inertial confinement fusion experiments are presented, including results showing the importance of kinetic physics processes in altering fusion burn. A…

Plasma Physics · Physics 2016-11-23 Ari Le , T. J. T. Kwan , M. J. Schmitt , H. W. Herrmann , S. H. Batha