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Phase transitions in GLSMs and defects

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arxiv 2101.12315 v1 pith:4XLIIOJD submitted 2021-01-28 hep-th math-phmath.MPmath.QA

Phase transitions in GLSMs and defects

classification hep-th math-phmath.MPmath.QA
keywords defectsglsmsphasescategoriesd-braned-branesdifferentembed
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this paper, we construct defects (domain walls) that connect different phases of two-dimensional gauged linear sigma models (GLSMs), as well as defects that embed those phases into the GLSMs. Via their action on boundary conditions these defects give rise to functors between the D-brane categories, which respectively describe the transport of D-branes between different phases, and embed the D-brane categories of the phases into the category of D-branes of the GLSMs.

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