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Recently NAano-Plasmonic, Laser Inertial Fusion Experiments (NAPLIFE) were proposed, as an improved way to achieve laser driven fusion. The improvement is the combination of two basic research discoveries: (i) The possibility of detonations…

Fossil fuels, which meet most of humanity's energy needs, cause climate change due to their high carbon emissions. There are two types of energy sources that can replace fossil fuels: renewable and nuclear. Nuclear energy sources are more…

Accelerator Physics · Physics 2025-01-23 D. Akturk , A. C. Canbay , B. Dagli , U. Kaya , S. Sultansoy

We propose and explore a new hybrid approach to jet quenching in a strongly coupled medium. The basis of this phenomenological approach is to treat physics processes at different energy scales differently. The high-$Q^2$ processes…

High Energy Physics - Phenomenology · Physics 2015-08-05 Jorge Casalderrey-Solana , Doga Can Gulhan , José Guilherme Milhano , Daniel Pablos , Krishna Rajagopal

This manuscript provides a detailed and extended analysis of the breakeven conditions for nuclear fusion based on beam-target interactions, distinct from conventional plasma-based approaches. Building on the energy-based criterion…

Plasma Physics · Physics 2026-05-07 Tadafumi Kishimoto

If fusion power reactors are to be feasible, it will still be necessary to convert the energy of the nuclear reaction into usable form. The heat produced will be removed from the reactor core by a primary coolant, which might be water,…

Physics and Society · Physics 2014-01-20 M. Kovari , C. Harrington , I. Jenkins , C. Kiely

Radiative turbulent mixing layers are expected to form pervasively at the phase boundaries in multiphase astrophysical systems. This inherently small scale structure is dynamically crucial because it directly regulates the mass, momentum…

Astrophysics of Galaxies · Physics 2023-10-04 Xihui Zhao , Xue-Ning Bai

We investigate the properties of mixed H/He flames in X-ray bursts using 2D hydrodynamic simulations. We find that as the initial hydrogen abundance of the atmosphere increases, the flame is less energetic and propagates slower. The…

High Energy Astrophysical Phenomena · Physics 2025-05-21 Eric T. Johnson , Michael Zingale

Proton-Boron 11 (pB11) fusion is safe and clean, but also difficult to harness for breakeven power production. Particularly deleterious are fusion-born alpha particles, which massively increase both plasma pressure and bremsstrahlung losses…

Plasma Physics · Physics 2025-02-20 Ian E. Ochs , Elijah J. Kolmes , Nathaniel J. Fisch

The turbulent burning of nuclei is a common phenomenon in the evolution of stars. Here we examine a challenging case: the merging of the neon and oxygen burning shells in a 23 M$_{\odot}$ star. A previously unknown quasi-steady state is…

Solar and Stellar Astrophysics · Physics 2018-09-12 Miroslav Mocák , Casey Meakin , Simon Wattana Campbell , David Arnett

Fusion energy is at an important inflection point in its development: multiple government agencies and private companies are now planning fusion pilot plants to deliver electricity to the grid in the next decade. However, realizing fusion…

A novel intense beam-driven scheme for high yield of the tri-alpha reaction 11B(p,{\alpha})2{\alpha} was investigated. We used a foam target made of cellulose triacetate (TAC, C_9H_{16}O_8) doped with boron. It was then heated…

A first set of computational studies of transmutation of spent nuclear fuel using compact tunable 14 MeV D-T fusion driven neutron sources is presenter. Where we study the controllability, time evolution, as well as effects of spatial…

Nuclear Theory · Physics 2021-09-21 Joshua Tanner , Ales Necas , Sydney Gales , Gerard Mourou , Toshiki Tajima

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

We investigate by particle-in-cell simulations in two and three dimensions the laser-plasma interaction and the proton acceleration in multilayer targets where a low density "near-critical" layer of a few micron thickness is added on the…

Plasma Physics · Physics 2015-06-03 Andrea Sgattoni , Pasquale Londrillo , Andrea Macchi , Matteo Passoni

This paper first reviews non-traditional heat exchanger geometry, laser welding, practical issues with microchannel heat exchangers, and high effectiveness heat exchangers. Existing microchannel heat exchangers have low material costs, but…

Instrumentation and Detectors · Physics 2012-05-31 David C. Denkenberger , Michael J. Brandemuehl , Joshua M. Pearce , John Zhai

The Lawson criterion is a key concept in the pursuit of fusion energy, relating the fuel density $n$, pulse duration $\tau$ or energy confinement time $\tau_E$, and fuel temperature $T$ to the energy gain $Q$ of a fusion plasma. The purpose…

Plasma Physics · Physics 2022-06-10 Samuel E. Wurzel , Scott C. Hsu

A new mechanism of enhanced laser energy absorption in plasma microglobules is demonstrated with the help of two-dimensional Particle-In-Cell (PIC) simulations. The mechanism relies on the excitation of surface and bulk waves and the…

Plasma Physics · Physics 2025-02-18 Animesh Sharma , Amita Das , G Ravindra Kumar

An approach to achieve nuclear fusion utilizing the formation of high densities of electrons and neutrals is described. The profusion of low energy electrons provides high dynamic electric fields that help reduce the Coulomb barrier in…

Plasma Physics · Physics 2019-08-30 Alfred Y. Wong , Chun-Ching Shih

The author offers several innovations that he first suggested publicly early in 1983 for the AB multi-reflex engine, space propulsion, getting energy from plasma, etc. (see: A. Bolonkin, Non-Rocket Space Launch and Flight, Elsevier, London,…

General Physics · Physics 2007-05-23 Alexander Bolonkin

Ion acceleration in the MeV range can be routinely achieved with table-top laser technology. One of the current challenges is to improve the energy coupling from the laser to the proton beam without increasing the laser peak power.…

Plasma Physics · Physics 2019-02-18 Manuel Blanco , M. T. Flores-Arias , Marija Vranic