Matthias Hoelzl’s Post

Check this out: the WHAM experiment just smashed a huge record in nuclear fusion! They used super strong magnets to create a plasma with a magnetic field of 17 Tesla—that's like more than double the power of those MRI machines! This breakthrough brings us closer to clean, carbon-free energy from fusion, which is super exciting. The WHAM team, led by Professor Cary Forest from UW-Madison, brought back the magnetic mirror concept from the 1980s and made it way better with new technology. This could mean we're one step closer to having fusion energy that's affordable and eco-friendly. It's a game-changer, folks! #FusionEnergy #CleanEnergy #WHAMExperiment #NuclearFusion #MagneticMirror #InnovativeTech #EnergyBreakthrough #SustainableFuture #CarbonFreeEnergy #ScienceNews #FusionResearch #TechInnovation #GreenEnergy #UW_Madison #EnergyRevolution #PlasmaPhysics

Resonant magnetic perturbations (#RMPs) may allow mitigating edge localized modes (#ELMs) in magnetically confined fusion plasmas. L Wang, GZ Hao, M Becoulet and co-authors just investigated this for the Chinese HL-2A #tokamak device via non-linear simulations with the #JOREK code and find a threshold of 4.5kAt for the current in the RMP coils required for ELM suppression. The #openaccess article just accepted for publication in the journal Nuclear Fusion is available online here: https://lnkd.in/e6Qs_kT8

After some time... our paper on #runaway electron diffusion in #COMPASS #plasmas has been accepted for publication on Nuclear Fusion!! 💪 Many thanks to Andrea Casolari , Eva Macusova, Ondrej Ficker and the whole COMPASS team for the wonderful collaboration. Last but not least, many thanks also to my friend and colleague Marco Gobbin! The work adds another instance of anomalous diffusion, i.e., diffusion that happens in systems with Long-Range Interactions (#LRI). Plasmas typically show this type of diffusion, due to long-range fields, such as the electric and magnetic field which naturally occur in ionized gases, or are produced purposely for confining particles. Diego Del-Castillo-Negrete Raul Sanchez David Newman Bedros Afeyan Raffi Nazikian Oliver Schmitz Roscoe White https://lnkd.in/eKKbC7gX

Probing Different Characteristics of Shell Evolution Driven by Central, Spin-Orbit, and Tensor Forces | Article by Yutaka Utsun https://lnkd.in/gvF4HHKN Japan Atomic Energy Agency; MDPI #shellevolution #nuclei #shellmodel #tensorforce #physics This article belongs to the Special Issue: The Nuclear Shell Model 70 Years after Its Advent: Achievements and Prospects https://lnkd.in/dAtgbDyi #Abstract In this paper, the validity of the shell-evolution picture is investigated on the basis of shell-model calculations for the atomic mass number 25≲𝐴≲55 neutron-rich nuclei. For this purpose, the so-called SDPF-MU interaction is used. Its central, two-body spin–orbit, and tensor forces are taken from a simple Gaussian force, the M3Y (Michigan 3-range Yukawa) interaction, and a 𝜋+𝜌 meson exchange force, respectively. Carrying out almost a complete survey of the predicted effective single-particle energies, it is confirmed here that the present scheme is quite effective for describing shell evolution in exotic nuclei.

🚀#mdpisymmetry #featurepaper Excited to share a Feature Paper with you. "Heisenberg Parabolic Subgroup of SO∗(10) and Invariant Differential Operators" 🔸https://lnkd.in/ezrmcTDE 🔹Author: Vladimir Dobrev Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences 🔸Abstract: In the present paper we continue the project of systematic construction of invariant differential operators on the example of the non-compact algebra 𝑠𝑜∗(10). We use the maximal Heisenberg parabolic subalgebra 𝒫=ℳ⊕𝒜⊕𝒩 with ℳ=𝑠𝑢(3,1)⊕𝑠𝑢(2)≅𝑠𝑜∗(6)⊕𝑠𝑜(3). We give the main and the reduced multiplets of indecomposable elementary representations. This includes the explicit parametrization of the intertwining differential operators between the ERS... #subgroup #invariant #differential #operators  Physics Section of Symmetry

The research led by Princeton Plasma Physics Laboratory (PPPL) focuses on coating the inner walls of tokamak reactors with liquid lithium. This coating helps maintain a hot plasma edge, which is crucial for efficient energy confinement. The liquid lithium acts as a shield, absorbing approximately 40% of escaping hydrogen ions, reducing their recycling back into the plasma, and thereby improving plasma performance and stability. Annular Linear Induction Pumps (ALIPs) as the ones developed by MAIDANA RESEARCH and recently acquired by Nano Nuclear Energy Inc. (NASDAQ: NNE) could play a significant role in enhancing the efficiency of fusion reactors using liquid lithium. ALIPs are designed for the efficient handling and circulation of liquid metals, making them ideal for maintaining the liquid lithium coating in tokamak reactors. By ensuring a consistent and controlled flow of liquid lithium, ALIPs can help stabilize the plasma confinement, reduce energy loss at the plasma edges, and support the reactor’s thermal management. This integration not only improves the reactor’s performance but also extends its operational lifespan by minimizing the wear and tear on the reactor walls due to high-temperature plasma interactions. #nuclear #nuclearfusion #nuclearinnovation #fusion #liquidmetal #ALIP #electromagneticpump #princeton #nanonuclearenergy #maidanaresearch https://lnkd.in/gAqn5QEv

New temperature sustaining duration for #Artificial_Sun ☀ South Korean scientist have announced a new world record of 48 seconds for the length of time they sustained temperatures of 100 million degrees Celsius during a nuclear fusion experiment. What is the reason for such high temperatures? Well, in a #fusion_reaction two variants of hydrogen molecules are heated to over a million degrees so they would fuse together and make a helium molecule and an extraordinary amount of energy. This is the same process that makes the sun and other stars to burn and glow. How do they measure such temperatures? They use a method called #Thomson_scattering. In this method The Core Plasma Thomson Scattering (CPTS) system will send laser light into the vacuum vessel, and the electrons in the plasma will scatter it. By collecting and analyzing the scattered light, the system will provide real-time measures of the electron density and temperature of the fusion reaction. What material is used to sustain this temperature? Tungsten has one of the highest melting points. This makes it a particularly attractive material to use in fusion reactors. Yet it can also be very brittle. Mixing Tungsten with other materials such as nickel and iron and also thermomechanical treatment could make a more suitable material for tolerating extreme heat. What could extend the time duration in your opinion? #majidiranikhah

🚀#mdpisymmetry #featurepaper Excited to share a Feature Paper with you. "Heisenberg Parabolic Subgroup of SO∗(10) and Invariant Differential Operators" 🔸https://lnkd.in/ezrmcTDE 🔹Author: V. K. Dobrev Institute for Nuclear Research and Nuclear Energy 🔸Abstract: In the present paper we continue the project of systematic construction of invariant differential operators on the example of the non-compact algebra 𝑠𝑜∗(10). We use the maximal Heisenberg parabolic subalgebra 𝒫=ℳ⊕𝒜⊕𝒩 with ℳ=𝑠𝑢(3,1)⊕𝑠𝑢(2)≅𝑠𝑜∗(6)⊕𝑠𝑜(3). We give the main and the reduced multiplets of indecomposable elementary representations... #subgroup #invariant #differential #operators Physics and Symmetry Section

Nuclear fusion holds the promise to generate energy in a clean, safe, and nearly inexhaustible way. The physical idea of fusion involves confining fuels at unearthly temperatures of approximately 150,000,000 degree Celsius which fusion reactions between atomic nuclei can happen. The fuels of interest, deuterium and tritium (isotopes of hydrogen), exist in the state of plasma. Clearly, containing these extremely hot plasmas with solid walls is unfeasible. A plasma is an ionised gas comprising charged particles, both ions and electrons. Fortunately, the dynamics of charge particles are subject to constraints along magnetic field lines. This insight forms the basis of our current approach: constructing a magnetic bottle using powerful magnetic fields that effectively trap the plasma along these intangible field lines. One of the most iconic magnetic confinement machine designs is the tokamak — a toroidally-shaped device, often likened to a doughnut. The name ‘tokamak’ is derived from the Russian acronym for ‘toroidal chamber with magnetic coils.’ Surprising implications from algebraic topology determine the shape of our plasma-confining machines. #nuclearenergy #fusion #plasma #magnetism #torus #doughnutmachines https://lnkd.in/dyfVUvaX

In their 2016 paper, Konrad Czerski and colleagues studied deuteron-deuteron fusion reactions in Zr targets below 25 keV. They found that the enhanced reaction rates observed exceed conventional expectations and cannot be explained solely by electron screening. Instead, they propose the presence of a novel J=0 positive parity nuclear resonance state in helium-4, evident only at low energies. Check out "Screening and resonance enhancements of the 2H(d, p)3H reaction yield in metallic environments" at https://lnkd.in/gRakFvgp #Science #Research #innovation #Fusion #Energy #FusionEnergy #ColdFusion #LENR #SolidStateFusion