Numerical simulation of the image Landau–Ginzburg model Original Research Article

The two-dimensional image Wess–Zumino (WZ) model with a cubic superpotential is numerically studied with a momentum-cutoff regularization that preserves supersymmetry. A numerical algorithm based on the Nicolai map is employed and the resulting configurations have no autocorrelation. This system is believed to flow to an image superconformal field theory (SCFT) in the infrared (IR), the image model. From a finite-size scaling analysis of the susceptibility of the scalar field in the WZ model, we determine image for the conformal dimensions h and image, while image for the image model. We also measure the central charge in the IR region from a correlation function between conserved supercurrents and obtain image (image for the image model). These results are consistent with the conjectured emergence of the image model, and at the same time demonstrate that numerical studies can be complementary to analytical investigations for this two-dimensional supersymmetric field theory.