From the 3 of 87 papers with an AI index.
51 citations
- Heidelberg UniversityDE55 papers
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- University of OsloNO49 papers
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8 papers · 1 filter
Higher-Spin and Higher-Point Constraints on Stringy Amplitudes
Ivano Basile, Grant N. Remmen, Georgina Staudt
We employ multiparticle factorization to constrain deformations of tree-level open string amplitudes. Assuming minimal degeneracy among intermediate states of the same spin up thro…
Non-supersymmetric heterotic strings on
Ivano Basile, Daniel Robbins, Hassaan Saleem
We analyze the stability properties of a family of anti-de Sitter flux compactifications of the tachyon-free non-supersymmetric heterotic string in ten dimensions. In contrast with…
A domain wall bound on anti-de Sitter vacua
Niccolò Cribiori, Antonia Paraskevopoulou, Thomas Van Riet
We consider anti-de Sitter flux vacua interpolated by flux-changing domain walls. Demanding that the tension of such a domain wall be above the ultraviolet cutoff of the effective…
The Two-Loop Four-Graviton Scattering Amplitudes
S. Abreu, F. Febres Cordero, H. Ita +4
We present the analytic form of the two-loop four-graviton scattering amplitudes in Einstein gravity. To remove ultraviolet divergences we include counterterms quadratic and cubic…
Instabilities in scale-separated Casimir vacua
Miquel Aparici, Ivano Basile, Nicolò Risso
Parametric scale separation is notoriously difficult to achieve in flux compactifications of gravitational effective theories. An appealing alternative to conventional Freund-Rubin…
Leading singularities and chambers of Correlahedron
Song He, Yu-tin Huang, Chia-Kai Kuo
In this paper, we explore the chamber dissection of the loop-geometry of Correlahedron, which encodes the loop integrand of four-point stress-energy correlators in planar $\mathcal…