Duality covariant curvatures for the heterotic string - INSPIRE

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Duality covariant curvatures for the heterotic string

Falk Hassler
(
- Wroclaw U.
)
,
David Osten
(
- Wroclaw U.
)
,
Yuho Sakatani
(
- Kyoto Prefecture U., Medicine
)

Dec 23, 2024

34 pages

e-Print:

2412.17893 [hep-th]

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Abstract: (arXiv)

Duality covariant curvature and torsion tensors in double field theory/generalized geometry are central in analyzing consistent truncations, generalized dualities, and related integrable

\sigma

-models. They are constructed systematically with the help of a larger, auxiliary space in a procedure inspired by Cartan geometry originally proposed by Poláček and Siegel for bosonic strings. It pivots around a maximally isotropic group that captures the generalized structure group of the physical space. We show how dropping the isotropy condition on this group allows us to describe heterotic/type I strings. As an immediate application, we construct a new family of heterotic backgrounds that interpolates between the two-dimensional cigar and trumpet backgrounds.

Note:

34 pages

References(29)

Figures(0)

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