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Calabi's diastasis as interface entropy

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arxiv 1311.2202 v2 pith:YHNSY42V submitted 2013-11-09 hep-th math.AG

Constantin P. Bachas , Ilka Brunner , Michael R. Douglas , Leonardo Rastelli This is my paper · ORCID
classification hep-thmath.AG
keywords calabidiastasisentropymodelsahlerbelongcanonicalcertain
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abstract

We show that the entropy of certain conformal interfaces between $N=(2,2)$ sigma models that belong to the same moduli space, has a natural geometric interpretation in the large volume limit as Calabi's diastasis function. This is an extension of the well-known relation between the quantum K\"ahler potential and the overlap of canonical Ramond-Ramond ground states in $N=(2,2)$ models.

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  1. Defects and Phases of Higher Rank Abelian GLSMs

    hep-th 2024-12 conditional novelty 6.0 of 10

    A cutoff-truncation of the identity defect yields lift and transition defects for higher-rank abelian GLSMs, matching band restriction rules and minimal model flow defects.

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