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This paper concerns constructing topological sigma models governing maps from semirigid super Riemann surfaces to general target supermanifolds. We define both the A model and B model in this general setup by defining suitable BRST…

High Energy Physics - Theory · Physics 2017-01-03 Bei Jia

We consider the N=1 supersymmetric two-dimensional non-linear sigma model with boundaries and nonzero B-field. By analysing the appropriate currents we describe the full set of boundary conditions compatible with N=1 superconformal…

High Energy Physics - Theory · Physics 2010-04-05 Cecilia Albertsson , Ulf Lindstrom , Maxim Zabzine

The target space M for the sigma-model appearing in theories with p-branes is considered. It is proved that M is a homogeneous space G/H. It is symmetric if and only if the U-vectors governing the sigma-model metric are either coinciding or…

High Energy Physics - Theory · Physics 2007-05-23 V. D. Ivashchuk

It is well-known that sigma-models with symmetric target spaces are classically integrable. At the example of the model with target space the flag manifold U(3)/U(1)^3 -- a non-symmetric space -- we show that the introduction of torsion…

High Energy Physics - Theory · Physics 2015-06-23 Dmitri Bykov

In this letter we study supersymmetric sigma models on toric varieties. These manifolds are generalizations of CP^n manifolds. We examine here sigma models, viewed as gauged linear sigma models, on one of the simplest such manifold, the…

High Energy Physics - Theory · Physics 2009-10-28 Michele Bourdeau

Supersymmetric nonlinear sigma models are formulated as gauge theories. Auxiliary chiral superfields are introduced to impose supersymmetric constraints of F-type. Target manifolds defined by F-type constraints are always non-compact. In…

High Energy Physics - Theory · Physics 2007-05-23 Kiyoshi Higashijima , Muneto Nitta

Supersymmetric nonlinear sigma models are obtained from linear sigma models by imposing supersymmetric constraints. If we introduce auxiliary chiral and vector superfields, these constraints can be expressed by D-terms and F-terms depending…

High Energy Physics - Theory · Physics 2009-10-31 Kiyoshi Higashijima , Muneto Nitta

We study the conditions under which N=(1,1) generalized sigma models support an extension to N=(2,2). The enhanced supersymmetry is related to the target space complex geometry. Concentrating on a simple situation, related to Poisson sigma…

High Energy Physics - Theory · Physics 2009-11-11 Andreas Bredthauer , Ulf Lindstrom , Jonas Persson

Off-shell $(4,0)$ supermultiplets in 2-dimensions are formulated. These are used to construct sigma models whose target spaces are vector bundles over manifolds that are hyperk\"ahler with torsion. The off-shell supersymmetry implies that…

High Energy Physics - Theory · Physics 2017-09-13 Chris Hull , Ulf Lindström

We revisit and construct new examples of supersymmetric 2D topological sigma models whose target space is a Poisson supermanifold. Inspired by the AKSZ construction of topological field theories, we follow a graded-geometric approach and…

High Energy Physics - Theory · Physics 2026-01-23 Thomas Basile , Athanasios Chatzistavrakidis , Sylvain Lavau

In this paper we construct topological sigma models which include a potential and are related to twisted massive supersymmetric sigma models. Contrary to a previous construction these models have no central charge and do not require the…

High Energy Physics - Theory · Physics 2009-10-28 N. D. Lambert

We introduce a new topological sigma model, whose fields are bundle maps from the tangent bundle of a 2-dimensional world-sheet to a Dirac subbundle of an exact Courant algebroid over a target manifold. It generalizes simultaneously the…

High Energy Physics - Theory · Physics 2009-11-10 Alexei Kotov , Peter Schaller , Thomas Strobl

We explore the phase structure of nonlinear sigma models with target spaces corresponding to compact quotients of hyperbolic space, focusing on the case of a hyperbolic genus-2 Riemann surface. The continuum theory of these models can be…

High Energy Physics - Theory · Physics 2016-07-20 Steven Gubser , Zain H. Saleem , Samuel S. Schoenholz , Bogdan Stoica , James Stokes

We consider topological sigma models with generalized Kahler target spaces. The mirror map is constructed explicitly for a special class of target spaces and the topological A and B model are shown to be mirror pairs in the sense that the…

High Energy Physics - Theory · Physics 2008-02-19 Stefano Chiantese , Florian Gmeiner , Claus Jeschek

The geometric properties of sigma models with target space a Jacobi manifold are investigated. In their basic formulation, these are topological field theories - recently introduced by the authors - which share and generalise relevant…

High Energy Physics - Theory · Physics 2022-10-21 Francesco Bascone , Franco Pezzella , Patrizia Vitale

Towards building tropical analogues of adic spaces, we study certain spaces of prime congruences as a topological semiring replacement for the space of continuous valuations on a topological ring. This requires building the theory of…

Algebraic Geometry · Mathematics 2024-07-24 Netanel Friedenberg , Kalina Mincheva

We introduce non-linear $\sigma$-models in the framework of noncommutative geometry with special emphasis on models defined on the noncommutative torus. We choose as target spaces the two point space and the circle and illustrate some…

High Energy Physics - Theory · Physics 2009-10-31 Ludwik Dabrowski , Thomas Krajewski , Giovanni Landi

Supersymmetric nonlinear sigma models have target spaces that carry interesting geometry. The geometry is richer the more supersymmetries the model has. The study of models with two dimensional world sheets is particularly rewarding since…

High Energy Physics - Theory · Physics 2022-03-08 Ulf Lindström

A study of (1,1) supersymmetric two-dimensional non-linear sigma models with boundary on special holonomy target spaces is presented. In particular, the consistency of the boundary conditions under the various symmetries is studied. Models…

High Energy Physics - Theory · Physics 2009-11-11 P. S. Howe , U. Lindstrom , V. Stojevic

In this paper we apply supersymmetric localization to study gauged linear sigma models (GLSMs) describing supermanifold target spaces. We use the localization method to show that A-twisted GLSM correlation functions for certain…

High Energy Physics - Theory · Physics 2019-05-22 Wei Gu , Hao Zou
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