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Proceedings of 31st International Symposium on Lattice Field Theory LATTICE 2013 — PoS(LATTICE 2013), 2014 We show that exotic phases arise in generalized lattice gauge theories known as quantum link models in which classical gauge fields are replaced by quantum operators. While these quantum models with discrete variables have a finite-dimensional Hilbert space per link, the continuous gauge symmetry is still exact.
Banerjee D. +3 more
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Crystallization in Confinement [PDF]
Advanced Materials, 2020 AbstractMany crystallization processes of great importance, including frost heave, biomineralization, the synthesis of nanomaterials, and scale formation, occur in small volumes rather than bulk solution. Here, the influence of confinement on crystallization processes is described, drawing together information from fields as diverse as bioinspired ...
Meldrum, Fiona C. +1 more
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Electron cyclotron heating assisted start-up experiments in J-TEXT [PDF]
EPJ Web of Conferences, 2023 Electron cyclotron heating (ECH) breakdown and burn-through assist has been adopted to make the ITER start-up, which uses a low toroidal electric field of about 0.3 V/m, more robust.
Zhang Junli +14 more
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The development of 1 MW ECRH system on J-TEXT [PDF]
EPJ Web of Conferences, 2023 A 1 MW electron cyclotron resonance heating system has been designed and developed for J-TEXT tokamak not only to enhance the total heating power but also to provide another possible way to control the plasma parameters.
Chen Xixuan +4 more
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Nuclear Materials and Energy, 2023 The consequences of tungsten (W) damaging processes, such as cracking and melting, on divertor lifetime and plasma operation are high priority issues for ITER.
Q. Tichit +16 more
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Nuclear Materials and Energy, 2021 Fourteen ITER-like plasma-facing units (PFUs) made of bulk tungsten were installed in the WEST tokamak divertor. Five of which were misaligned with their poloidal leading edges (LEs) exposed to the plasma heat flux: two sharp-edge PFUs and three ...
A. Grosjean +18 more
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Nuclear Materials and Energy, 2023 Assessing the performance of the ITER design for the tungsten (W) divertor Plasma Facing Units (PFUs) in a tokamak environment is a high priority issue to ensure efficient plasma operation.
Y. Corre +22 more
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Nuclear Materials and Energy, 2023 The consequences of tungsten (W) cracking on divertor lifetime and plasma operation are high priority issues for ITER. One actively cooled ITER-like plasma facing unit (PFU) has been pre-damaged in a High Heat Flux (HHF) facility before its installation ...
Yann Corre +19 more
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Permeation and trapping of hydrogen in Eurofer97
Nuclear Materials and Energy, 2021 Diffusion and trapping of hydrogen isotopes in fusion materials need to be fully described in order to evaluate permeation and retention in fusion reactors walls and breeding blankets.
F. Montupet-Leblond +9 more
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Physical Review B, 2021 Magnetic structures are known to possess magnon excitations confined to their surfaces and interfaces, but these spatially localized modes are often not resolved in spectroscopy experiments. We develop a theory to calculate the confined magnon spectra and its associated spin scattering function, which is the physical observable in neutron and electron ...
Seamus Beairsto +3 more
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