Dimers in a Bottle
arXiv:2101.02670 · doi:10.1007/JHEP04(2021)274
Abstract
We revisit D3-branes at toric CY singularities with orientifolds and their description in terms of dimer models. We classify orientifold actions on the dimer through smooth involutions of the torus. In particular, we describe new orientifold projections related to maps on the dimer without fixed points, leading to Klein bottles. These new orientifolds lead to novel SCFT's that resemble, in many aspects, non-orientifolded theories. For instance, we recover the presence of fractional branes and some of them trigger a cascading RG-flow à la Klebanov-Strassler. The remaining involutions lead to non-supersymmetric setups, thus exhausting the possible orientifolds on dimers.
arXiv comment42 pages, 42 figures and 1 Tikz drawing
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