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16 papers · 2 filters
Heptagons from the Steinmann Cluster Bootstrap
Lance J. Dixon, James Drummond, Thomas Harrington +3
We reformulate the heptagon cluster bootstrap to take advantage of the Steinmann relations, which require certain double discontinuities of any amplitude to vanish. These constrain…
Multi-Loop Positivity of the Planar SYM Six-Point Amplitude
Lance J. Dixon, Matt von Hippel, Andrew J. McLeod +1
We study the six-point NMHV ratio function in planar SYM theory in the context of positive geometry. The Amplituhedron construction of the integrand for the amplitudes…
The Supersymmetric Effective Field Theory of Inflation
Luca V. Delacretaz, Victor Gorbenko, Leonardo Senatore
We construct the Supersymmetric Effective Field Theory of Inflation, that is the most general theory of inflationary fluctuations when time-translations and supersymmetry are spont…
Heterotic sigma models on and the Borcherds automorphic form
Sarah M. Harrison, Shamit Kachru, Natalie M. Paquette +2
We consider the spectrum of BPS states of the heterotic sigma model with supersymmetry and target, as well as its second-quantized counterpart. We show that the count…
Bootstrapping a Five-Loop Amplitude Using Steinmann Relations
Simon Caron-Huot, Lance J. Dixon, Andrew McLeod +1
The analytic structure of scattering amplitudes is restricted by Steinmann relations, which enforce the vanishing of certain discontinuities of discontinuities. We show that these…
Equivalent Equations of Motion for Gravity and Entropy
Bartlomiej Czech, Lampros Lamprou, Samuel McCandlish +2
We demonstrate an equivalence between the wave equation obeyed by the entanglement entropy of CFT subregions and the linearized bulk Einstein equation in Anti-de Sitter pace. In do…