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The Gravitational Sector of 2d (0,2) F-theory Vacua
Craig Lawrie, Sakura Schafer-Nameki, Timo Weigand
F-theory compactifications on Calabi-Yau fivefolds give rise to two-dimensional N=(0,2) supersymmetric field theories coupled to gravity. We explore the dilaton supergravity define…
Chiral 2d Theories from N=4 SYM with Varying Coupling
Craig Lawrie, Sakura Schafer-Nameki, Timo Weigand
We study 2d chiral theories arising from 4d N=4 Super-Yang Mills (SYM) with varying coupling tau. The 2d theory is obtained by dimensional reduction of N=4 SYM on a complex curve w…
Six-dimensional Origin of SYM with Duality Defects
Benjamin Assel, Sakura Schafer-Nameki
We study the topologically twisted compactification of the 6d M5-brane theory on an elliptically fibered Kähler three-fold preserving two supercharges. We show that upon re…
M5-branes on S^2 x M_4: Nahm's Equations and 4d Topological Sigma-models
Benjamin Assel, Sakura Schafer-Nameki, Jin-Mann Wong
We study the 6d N=(0,2) superconformal field theory, which describes multiple M5-branes, on the product space S^2 x M_4, and suggest a correspondence between a 2d N=(0,2) half-twis…
F-theory and 2d (0,2) Theories
Sakura Schafer-Nameki, Timo Weigand
F-theory compactified on singular, elliptically fibered Calabi-Yau five-folds gives rise to two-dimensional gauge theories preserving N=(0,2) supersymmetry. In this paper we initia…