Publications (8)
Scattering phases for fermion-fermion scattering in the Gross-Neveu model
M. Goeckeler, H. A. Kastrup, J. Viola +1
We extract scattering phases for fermion-fermion scattering from Monte Carlo simulations of the two-dimensional Gross-Neveu model. This is done by means of Lüscher's method, which…
Pseudospectra in non-Hermitian quantum mechanics
D. Krejcirik, P. Siegl, M. Tater +1
We propose giving the mathematical concept of the pseudospectrum a central role in quantum mechanics with non-Hermitian operators. We relate pseudospectral properties to quasi-Herm…
Fermion-Fermion Scattering in the Gross-Neveu Model - a Status Report
M. Gockeler, H. A. Kastrup, J. Viola +1
Encouraged by the successful applications of Lüscher's method to boson--boson scattering we discuss the possibility of extracting scattering phase shifts from finite--volume energ…
Nonlinear anisotropic equilibrium reconstruction in axisymmetric magnetic mirrors
S. J. Frank, I. Agarwal, J. K. Anderson +17
Magnetic equilibrium reconstruction is a crucial simulation capability for interpreting diagnostic measurements of experimental plasmas. Equilibrium reconstruction has mostly been…
Statistical robustness analysis of fractional and integer order PID controllers for the control of a nonlinear system
J. Viola, L. Angel
This paper presents the design and robustness analysis of fractional and integer order PID controllers for the control of a non-linear industrial process in the presence of paramet…
First implementation of AXUV-based analysis and macro-instability diagnostics on WHAM
K. Shih, D. Endrizzi, D. A. Sutherland +13
Absolute extreme ultraviolet (AXUV) diode arrays are widely used in fusion experiments for time-resolved measurements of plasma radiation. We report the first implementation of an…