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View article: Symplectic integration of guiding-center equations in canonical coordinates for general toroidal fields
Symplectic integration of guiding-center equations in canonical coordinates for general toroidal fields Open
Symplectic integrators with long-term preservation of integrals of motion are introduced for the guiding-center motion of plasma particles in the toroidal magnetic fields of general topology. An efficient transformation to canonical coordi…
View article: Linear and quasi-linear modeling in view of ELM control in MAST-U including effects of error fields
Linear and quasi-linear modeling in view of ELM control in MAST-U including effects of error fields Open
Edge localized modes (ELMs) pose a critical challenge to the safety and performance of plasma-facing components in tokamaks due to their periodic expulsion of heat and particles. This study investigates the behavior of various figures of m…
View article: Symplectic integration of guiding-center equations in canonical coordinates for general toroidal fields
Symplectic integration of guiding-center equations in canonical coordinates for general toroidal fields Open
Symplectic integrators with long-term preservation of integrals of motion are introduced for the guiding-center model of plasma particles in toroidal magnetic fields of general topology. An efficient transformation to canonical coordinates…
View article: Overview of Large Helical Device experiments of basic plasma physics for solving crucial issues in reaching burning plasma conditions
Overview of Large Helical Device experiments of basic plasma physics for solving crucial issues in reaching burning plasma conditions Open
Recently, experiments on basic plasma physics issues for solving future problems in fusion energy have been performed on a Large Helical Device. There are several problems to be solved in future devices for fusion energy. Emerging issues i…
View article: Kinetic study of the bifurcation of resonant magnetic perturbations for edge localized mode suppression in ASDEX Upgrade
Kinetic study of the bifurcation of resonant magnetic perturbations for edge localized mode suppression in ASDEX Upgrade Open
The correlation between the bifurcation of resonant magnetic perturbations (RMPs) to the unshielded state and edge localized mode (ELM) suppression in ASDEX Upgrade is studied using a kinetic plasma response model numerically and analytica…
View article: Exploratory applications of the Fröhlich-Morchio-Strocchi mechanism in quantum gravity
Exploratory applications of the Fröhlich-Morchio-Strocchi mechanism in quantum gravity Open
A manifestly diffeomorphism-invariant approach to canonical quantum gravity requires the use of composite operators. These can be considered to be bound states of matter and/or gravitons, intrinsically nonperturbative objects. An analytica…
View article: NON-AXISYMMETRIC NEOCLASSICAL TRANSPORT FROM MIS-ALIGNMENT OF EQUIPOTENTIAL AND MAGNETIC SURFACES
NON-AXISYMMETRIC NEOCLASSICAL TRANSPORT FROM MIS-ALIGNMENT OF EQUIPOTENTIAL AND MAGNETIC SURFACES Open
Coefficients of neoclassical transport in tokamaks and stellarators with non-axisymmetric equipotential surfaces mis-aligned with magnetic flux surfaces are derived for the 1/ν regime. In the general case, they are given by integral expres…
View article: Exploratory applications of the Fröhlich-Morchio-Strocchi mechanism in quantum gravity
Exploratory applications of the Fröhlich-Morchio-Strocchi mechanism in quantum gravity Open
A manifestly diffeomorphism-invariant approach to canonical quantum gravity requires to use composite operators. These can be considered to be bound states of matter and/or gravitons, intrinsically non-perturbative objects. An analytical a…