activity
20222026
most citedRobust avoidance of edge-localized modes alongside gradient formation in the negative triangularity tokamak edge

60 citations · 165 across the 13 of their papers we have counts for

collaborators

13 papers

physics.plasm-ph2026

Compact Experimental Negative TriAngUlarity Reactor (CENTAUR): A design study for a compact, affordable breakeven tokamak

The CENTAUR Collaboration, Samuel W. Freiberger, Evan Bursch +33

This work presents the compact experimental negative triangularity reactor (CENTAUR), a low overnight cost, high-field tokamak, breakeven reactor design, achieving a predicted tota…

physics.plasm-ph2025

Energy Confinement Time Scaling Law Derived from Paz-Soldan NF 2024

P. Lunia, A. O. Nelson, C. Paz-Soldan

Results from C. Paz-Soldan et al 2024 Nucl. Fusion 64 094002 demonstrate encouraging energy confinement properties for the negative triangularity scenario, similar to or exceeding…

physics.plasm-ph2025

Electromagnetic System Conceptual Design for a Negative Triangularity Tokamak

Sophia Guizzo, Mikhail A. Drabinskiy, Christopher Hansen +7

Negative triangularity (NT) tokamak configurations have several key benefits including sufficient core confinement, improved power handling, and reduced edge pressure gradients tha…

physics.plasm-ph2024★ 1 cited

Characterizing the negative triangularity reactor core operating space with integrated modeling

H. S. Wilson, A. O. Nelson, J. McClenaghan +3

NT experiments have demonstrated core performance on par with positive triangularity (PT) H-mode without edge-localized modes (ELMs), encouraging further study of an NT reactor cor…

physics.plasm-ph2024

Achievement of highly radiating plasma in negative triangularity and effect of reactor-relevant seeded impurities on confinement and transport

L. Casali, D. Eldon, T. Odstrcil +10

The first achievement of highly radiating plasmas in negative triangularity is shown with an operational space featuring high core radiation at high Greenwald fraction obtained wit…

physics.plasm-ph2024

Power handling in a highly-radiative negative triangularity pilot plant

M. A. Miller, D. Arnold, M. Wigram +7

This work explores power handling solutions for high-field, highly-radiative negative triangularity (NT) reactors based around the MANTA concept \cite{rutherford_manta_2024}. The d…

physics.plasm-ph2024

MANTA: A Negative-Triangularity NASEM-Compliant Fusion Pilot Plant

MANTA Collaboration, G. Rutherford, H. S. Wilson +38

The MANTA (Modular Adjustable Negative Triangularity ARC-class) design study investigated how negative-triangularity (NT) may be leveraged in a compact, fusion pilot plant (FPP) to…

physics.plasm-ph2024

Characterization of the ELM-free Negative Triangularity Edge on DIII-D

A. O. Nelson, L. Schmitz, T. Cote +18

Tokamak plasmas with strong negative triangularity (NT) shaping typically exhibit fundamentally different edge behavior than conventional L-mode or H-mode plasmas. Over the entire…

physics.plasm-ph2024

Highest Fusion Performance without Harmful Edge Energy Bursts in Tokamak

SangKyeun Kim, Ricardo Shousha, SeongMoo Yang +20

The path of tokamak fusion and ITER is maintaining high-performance plasma to produce sufficient fusion power. This effort is hindered by the transient energy burst arising from th…

physics.plasm-ph2023★ 29 cited

TokaMaker: An open-source time-dependent Grad-Shafranov tool for the design and modeling of axisymmetric fusion devices

C. Hansen, I. G. Stewart, D. Burgess +5

In this paper, we present a new static and time-dependent MagnetoHydroDynamic (MHD) equilibrium code, TokaMaker, for axisymmetric configurations of magnetized plasmas, based on the…

physics.plasm-ph2023★ 28 cited

Simultaneous access to high normalized current, pressure, density, and confinement in strongly-shaped diverted negative triangularity plasmas

C. Paz-Soldan, C. Chrystal, P. Lunia +12

Strongly-shaped diverted negative triangularity (NT) plasmas in the DIII-D tokamak demonstrate simultaneous access to high normalized current, pressure, density, and confinement. N…

physics.plasm-ph2023★ 60 cited

Robust avoidance of edge-localized modes alongside gradient formation in the negative triangularity tokamak edge

A. O. Nelson, L. Schmitz, C. Paz-Soldan +7

In a series of high performance diverted discharges on DIII-D, we demonstrate that strong negative triangularity (NT) shaping robustly suppresses all edge-localized mode (ELM) acti…

physics.plasm-ph2022★ 47 cited

H-mode inhibition in negative triangularity tokamak reactor plasmas

A. O. Nelson, C. Paz-Soldan, S. Saarelma

Instability to high toroidal mode number () ballooning modes has been proposed as the primary gradient-limiting mechanism for tokamak equilibria with negative triangularity (…