Junctions of mass-deformed nonlinear sigma models on $SO(2N)/U(N)$ and $Sp(N)/U(N)$ II

Abstract

We study vacua, walls and three-pronged junctions of mass-deformed nonlinear sigma models on $SO(2N)/U(N)$ and $Sp(N)/U(N)$ for generic $N$. We review and discuss the on-shell component Lagrangians of the $\mathcal{N}=2$ nonlinear sigma model on the Grassmann manifold, which are obtained in the $\mathcal{N}=1$ superspace formalism and in the harmonic superspace formalism. We also show that the Kähler potential of the $\mathcal{N}=2$ nonlinear sigma model on the complex projective space, which is obtained in the projective superspace formalism, is equivalent to the Kähler potential of the $\mathcal{N}=2$ nonlinear sigma model with the Fayet-Iliopoulos parameters $c^a=(0,0,c=1)$ on the complex projective space, which is obtained in the $\mathcal{N}=1$ superspace formalism.

arXiv comment36 pages, 10 figures

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Cited by in corpus (2)

• Exhausting all exact solutions of BPS domain wall networks in arbitrary dimensions
• Exact solutions of domain wall junctions in arbitrary dimensions