Defines IR-finite amplitudes M_E that preserve analyticity and unitarity to derive positivity bounds on EFTs including electromagnetism and gravity in D=4.
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8 Pith papers cite this work. Polarity classification is still indexing.
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Symmetry uniquely fixes finite-time Faddeev-Kulish dressings in QED and gravity so they reproduce classical memory, allowing recovery of first-order and higher-order gravitational memory in perturbative calculations.
Faddeev-Kulish dressings correctly encode the memory effect in in and out Fock spaces for massive QED and perturbative quantum gravity, with physical contributions to memory eigenvalues from the dressings.
Constructs a phase space for gravitational degrees of freedom on null ray segments with commuting localized observables via edge modes and dressing time, then introduces an effective classical theory with Virasoro deformations to capture diffeomorphism anomalies and distinguish gauge, physical, and
Quantum gravity may permit contextual deviations from the Fisher metric, inducing observer-dependent modifications to the Born rule.
Fixing null-infinity boundary action ambiguities via 5-point amplitude constraints yields subleading soft theorems and proposes generalized Geroch-tensor Goldstone modes for sub^n-leading soft graviton insertions.
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Information Metrics and Possible Limitations of Local Information Objectivity in Quantum Gravity
Quantum gravity may permit contextual deviations from the Fisher metric, inducing observer-dependent modifications to the Born rule.