Regularity of solutions of the nonlinear sigma model with gravitino

J Jost, E Keßler, J Tolksdorf, R Wu, M Zhu - … in Mathematical Physics, 2018 - Springer
We propose a geometric setup to study analytic aspects of a variant of the super symmetric
two-dimensional nonlinear sigma model. This functional extends the functional of Dirac …

[PDF][PDF] Geometric analysis of the action functional of the nonlinear supersymmetric sigma model

J Jost, L Liu, M Zhu - 2015 - files-www.mis.mpg.de
The mathematical version of the action functional of the nonlinear supersymmetric model of
quantum field theory couples a map from a Riemann surface into a Riemannian manifold …

On the multiple existence of superquadratic Dirac-harmonic maps into flat tori

T Isobe - Calculus of Variations and Partial Differential …, 2019 - Springer
Dirac-harmonic map is a mathematical model of supersymmetric σ σ-model arising in
quantum filed theory. In this paper, we prove the existence and multiplicity of Dirac-harmonic …

On the evolution of regularized Dirac-harmonic maps from closed surfaces

V Branding - Results in Mathematics, 2020 - Springer
We study the evolution equations for a regularized version of Dirac-harmonic maps from
closed Riemannian surfaces. We establish the existence of a global weak solution for the …

Morse homology for perturbed Dirac-harmonic maps into flat tori

T Isobe - Journal of Topology and Analysis, 2024 - cir.nii.ac.jp
< jats: p> In this paper, we consider Morse theory for perturbed Dirac-harmonic maps into flat
tori. We show that Morse homology can be defined for some classes of perturbations, and …

Nonlinear Dirac equations, monotonicity formulas and Liouville theorems

V Branding - Communications in Mathematical Physics, 2019 - Springer
We study the qualitative behavior of nonlinear Dirac equations arising in quantum field
theory on complete Riemannian manifolds. In particular, we derive monotonicity formulas …

Coarse regularity of solutions to a nonlinear sigma-model with  gravitino

J Jost, R Wu, M Zhu - Calculus of Variations and Partial Differential …, 2017 - Springer
Coarse regularity of solutions to a nonlinear sigma-model with $$L^p$$ gravitino | Calculus of
Variations and Partial Differential Equations Skip to main content SpringerLink Log in Menu …

Energy methods for Dirac-type equations in two-dimensional Minkowski space

V Branding - Letters in Mathematical Physics, 2019 - Springer
In this article, we develop energy methods for a large class of linear and nonlinear Dirac-
type equations in two-dimensional Minkowski space. We will derive existence results for …

[HTML][HTML] A vanishing result for the supersymmetric nonlinear sigma model in higher dimensions

V Branding - Journal of Geometry and Physics, 2018 - Elsevier
We prove a vanishing result for critical points of the supersymmetric nonlinear sigma model
on complete non-compact Riemannian manifolds of positive Ricci curvature that admit an …

Global existence of Dirac-wave maps with curvature term on expanding spacetimes

V Branding, K Kröncke - Calculus of Variations and Partial Differential …, 2018 - Springer
We prove the global existence of Dirac-wave maps with curvature term with small initial data
on globally hyperbolic manifolds of arbitrary dimension which satisfy a suitable growth …