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Tailoring tokamak error fields to control plasma instabilities and transport

Error fields in tokamak appear due to the imperfections and misalignment of the coils generating magnetic field. Here the authors demonstrate use of error field correction to control the plasma transport and instabilities in a tokamak - KSTAR.

SeongMoo Yang
Jong-Kyu Park
Won-Ha Ko
ResearchOpen Access10 Feb 2024
Nature Communications

Volume: 15, P: 1-9
Highly efficient organic photocatalysts discovered via a computer-aided-design strategy for visible-light-driven atom transfer radical polymerization

Organocatalysed photoredox-mediated atom transfer radical polymerization is a very promising method, although many challenges still lie ahead. Now, Kwon, Gierschner, Kim and co-workers present a computer-aided-design strategy to identify organic photoredox catalysts for this process. The success of the design strategy is demonstrated by polymerizations of methyl methacrylate and styrene.

Varun Kumar Singh
Changhoon Yu
Min Sang Kwon
Research11 Oct 2018
Nature Catalysis

Volume: 1, P: 794-804
3D field phase-space control in tokamak plasmas

A theoretical and numerical approach, validated by experiments at the KSTAR facility, shows how magnetohydrodynamic instabilities in tokamak plasmas can be efficiently controlled by a small relaxation of the confining field into a 3D configuration.

Jong-Kyu Park
YoungMu Jeon
Michael C. Zarnstroff
Research10 Sept 2018
Nature Physics

Volume: 14, P: 1223-1228
RNF2 regulates Wnt/ß-catenin signaling via TCF7L1 destabilization

Youngmu Koo
Wonhee Han
Jin-Kwan Han
ResearchOpen Access13 Nov 2023
Scientific Reports

Volume: 13, P: 1-15

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Tailoring tokamak error fields to control plasma instabilities and transport

Highly efficient organic photocatalysts discovered via a computer-aided-design strategy for visible-light-driven atom transfer radical polymerization

3D field phase-space control in tokamak plasmas

RNF2 regulates Wnt/ß-catenin signaling via TCF7L1 destabilization

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