Higher derivative supergravities in diverse dimensions

Ozkan, Mehmet; Pang, Yi; Sezgin, Ergin

doi:10.1016/j.physrep.2024.07.002

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2024

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Cited by 3 publications

References 411 publications

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Survey of Supergravities

Sezgin

2023

Handbook of Quantum Gravity

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Survey of Supergravities

Sezgin

2023

Handbook of Quantum Gravity

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Tree-level R4 correction from O(d, d): NS-NS five-point terms

Wulff

2024

J. High Energ. Phys.

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The tree-level string effective action reduced from D to D − d dimensions possesses a continuous O(d, d) symmetry, closely related to T-duality. A necessary condition for a higher derivative correction to preserve this symmetry is that certain O(d, d) violating terms which appear in the dimensional reduction have to cancel out. We use this idea to complete the quartic Riemann correction with all terms involving five NS-NS sector fields. The resulting Lagrangian is considerably simpler than expressions that have previously appeared in the literature.

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Off-shell invariants of linearized 4D,N=2 supergravity in the harmonic approach

Ivanov,

Zaigraev

2024

Phys. Rev. D

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Using the harmonic superspace approach, we construct, at the linearized level, N=2 supersymmetric curvatures generalizing scalar curvature, Ricci curvature and Weyl tensor. These supercurvatures are the building blocks of various linearized 4D,N=2 Einstein supergravity invariants. The supercurvatures involving the scalar and Ricci curvatures are analytic harmonic N=2 superfields, while the Weyl supertensor is a chiral N=2 superfield. As the basic distinguished feature of our construction, all these objects are expressed through the fundamental analytic gauge prepotentials h++M,M=(αα˙,α+,α˙+,5). The related characteristic features are the heavy use of harmonic derivatives and harmonic zero-curvature equations. On a number of instructive examples, we describe the component reduction of the superfield invariants constructed. Published by the American Physical Society 2024

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Higher derivative supergravities in diverse dimensions

Cited by 3 publications

References 411 publications

Survey of Supergravities

Survey of Supergravities

Tree-level R4 correction from O(d, d): NS-NS five-point terms

Off-shell invariants of linearized 4D,N=2 supergravity in the harmonic approach

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