D-branes on some one- and two-parameter Calabi-Yau hypersurfaces
Emanuel Scheidegger (LMU, Munich)
TL;DR
This paper studies D-branes on specific Calabi-Yau manifolds using Gepner models and geometry, revealing spectrum details and supersymmetry behavior at special points.
Contribution
It provides a combined Gepner model and geometric analysis of D-branes on one- and two-parameter Calabi-Yau hypersurfaces, including spectrum computation and supersymmetry insights.
Findings
Partial spectrum of boundary states computed
D0-brane appearance discussed
Nonsupersymmetric configurations become supersymmetric at Gepner point
Abstract
D-branes on one-parameter Calabi-Yau spaces and two-parameter K3-fibered Calabi-Yau manifolds are analyzed from both the Gepner model point of view and the geometric perspective. We compute part of the spectrum of the boundary states and comment on the appearance of the D0-brane as well as on nonsupersymmetric large volume configurations becoming supersymmetric at the Gepner point.
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