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Magnetic fields spontaneously grow at unstable interfaces around hot-spot asymmetries during inertial confinement fusion implosions. Although difficult to measure, theoretical considerations and numerical simulations predict field strengths…

Plasma Physics · Physics 2022-07-20 James D. Sadler , Christopher A. Walsh , Ye Zhou , Hui Li

Turbulence enhances fusion reactivity, enabling ignition at lower temperature. A modified Lawson-like ignition criterion is derived for inertially confined plasmas harboring turbulent kinetic energy. Remarkably, if small-scale turbulence is…

Plasma Physics · Physics 2025-07-28 Henry Fetsch , Nathaniel J. Fisch

The neutron yields observed in inertial confinement fusion experiments for higher convergence ratios are about two orders of magnitude smaller than the neutron yields predicted by one-dimensional models, the discrepancy being attributed to…

Nuclear Experiment · Physics 2007-05-23 Silviu Olariu

A one dimensional parameter study of a magneto-inertial fusion (MIF) concept indicates that significant gain may be achievable. This concept uses a dynamically formed plasma shell with inwardly directed momentum to drive a magnetized fuel…

Plasma Physics · Physics 2015-06-19 C. E. Knapp , R. C. Kirkpatrick

Significant progress has been made towards laser-driven fusion ignition via different schemes, including direct and indirect central ignition, fast ignition, shock ignition, and impact ignition schemes. However, to reach ignition…

Plasma Physics · Physics 2016-06-09 W. -M. Wang , P. Gibbon , Z. -M. Sheng , Y. T. Li , J. Zhang

Magnetized inertial fusion experiments are approaching regimes where the radial transport is dominated by collisions between magnetized ions, providing an opportunity to exploit effects usually associated with steady-state magnetic fusion.…

Plasma Physics · Physics 2018-12-12 Ian E. Ochs , Nathaniel J. Fisch

In "arXiv:2312.13429" Lackner et al. use standard methods to decide if it is possible to ignite mixed fuels. They correctly identify that the increased radiation losses make ignition significantly more challenging than for pure DT fuels,…

Plasma Physics · Physics 2025-09-26 Hartmut Ruhl , Georg Korn

Motivated by breakthroughs in inertial confinement fusion (ICF), first achieving ignition conditions in National Ignition Facility (NIF) shot N210808 and then laser energy breakeven in N221204, modeling efforts here investigate the effect…

An optically thin $p$-$^{11}$B plasma loses more energy to bremsstrahlung than it gains from fusion reactions, unless the ion temperature can be elevated above the electron temperature. In thermal plasmas, the temperature differences…

Plasma Physics · Physics 2015-12-09 Michael J. Hay , Nathaniel J. Fisch

Relativistic fluid dynamics and the theory of relativistic detonation fronts are used to estimate the space-time dynamics of the burning of the D-T fuel in Laser driven pellet fusion experiments. The initial "High foot" heating of the fuel…

Plasma Physics · Physics 2015-06-03 L. P. Csernai , D. D. Strottman

In the present work we analyze some necessary conditions for ignition of solid energetic materials by low velocity impact ignition mechanism. Basing on reported results of {\it ab initio} computations we assume that the energetic activation…

Materials Science · Physics 2017-03-27 Natalya A. Zimbovskaya

It was reported that the fuel core was heated up to ~ 0.8 [keV] in the fast ignition experimentswith cone-guided targets, but they could not theoretically explain heating mechanisms and achievement of such high temperature. Thus simulations…

Plasma Physics · Physics 2016-09-08 Hitoshi Sakagami , Tomoyuki Johzaki , Hideo Nagatomo , Kunioki Mima

In the context of the search for gasoline surrogates for kinetic modeling purpose, this paper describes a new model for the low-temperature auto-ignition of n-heptane/iso-octane/hexene/toluene blends for the different linear isomers of…

We study the latent heat of the liquid-gas phase transition in symmetric nuclear matter using self-consistent mean-field calculations with a few Skyrme forces. The temperature dependence of the latent heat is rather independent of the…

Nuclear Theory · Physics 2011-05-05 Arianna Carbone , Artur Polls , Arnau Rios , Isaac Vidaña

Inertial Confinement Fusion is a promising option to provide massive, clean, and affordable energy for mankind in the future. The present status of research and development is hindered by hydrodynamical instabilities occurring at the…

Plasma Physics · Physics 2018-10-17 L. P. Csernai , N. Kroo , I. Papp

This paper is the first work to redesign a spherical ICF implosion to best utilize the benefits of applying an external magnetic field. The sub-ignition experiment N170601 is taken as the baseline design, which used 1.57MJ of laser energy.…

A semi-analytic model for plasma-jet-driven magneto-inertial fusion is presented. Compressions of a magnetized plasma target by a spherically imploding plasma liner are calculated in one dimension (1D), accounting for compressible…

Plasma Physics · Physics 2017-03-14 Samuel J. Langendorf , Scott C. Hsu

The fast ignition paradigm for inertial fusion offers increased gain and tolerance of asymmetry by compressing fuel at low entropy and then quickly igniting a small region. Because this hotspot rapidly disassembles, the ions must be heated…

Plasma Physics · Physics 2023-10-10 Henry Fetsch , Nathaniel J. Fisch

To enhance the core heating efficiency in fast ignition laser fusion, the concept of relativistic electron beam guiding by external magnetic fields was evaluated by integrated simulations for FIREX class targets. For the cone-attached shell…

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