WebAug 25, 2024 · U.S. Department of Energy Office of Scientific and Technical Information. Search Scholarly Publications. Search terms: Advanced search options WebDec 8, 2024 · Celestial amplitudes represent 4D scattering of particles in boost, rather than the usual energy-momentum, eigenstates and hence are sensitive to both UV and IR physics. We show that known UV and IR properties of quantum gravity translate into powerful constraints on the analytic structure of celestial amplitudes. For example the …
A Note on the Analytic Structure of Celestial Amplitudes
WebMar 14, 2024 · Fundamental principles of local quantum field theory or of quantum gravity can enforce consistency requirements on the space of consistent low-energy effective field theories. We survey the various techniques that have been used to put UV constraints on IR physics, including those from causality considerations in the form of S-matrix positivity … WebAbstract: Celestial amplitudes represent 4D scattering of particles in boost, rather than the usual energy-momentum, eigenstates and hence are sensitive to both UV and IR … the shops at sumner place bethesda
On Sugawara construction on celestial sphere SpringerLink
WebMar 26, 2024 · We provide many examples of celestial amplitudes in UV-completed models including linear sigma models and Z-theory, which is a certain completion of the SU(N) non-linear sigma model. We also comment on the BCFW-like and soft recursion relations for celestial amplitudes and the extension of soft bootstrap ideas. 45 pages of … WebJan 27, 2024 · Affiliation: Perimeter InstituteAbstract: Celestial amplitudes compute 4D scattering matrices in a basis of boost, rather than conventional energy-momentum e... Webfeatures of amplitudes into this new representation. Soft theorems map to factorization theorems at special con-formal dimensions [5–10], collinear limits are captured by operatorproductexpansions[10–15],doublecopyrelations in amplitudes persist [16], and the UV/IR mixing intrinsic to this map has offered more insight into analyticity con- my swiss life select login