Browsing School of Physics and Astronomy by Title
Now showing items 1884-1903 of 2812
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Recursion relations for gravitational lensing
(Springer Science and Business Media LLC, 2020-03)The weak gravitational lensing formalism can be extended to the strong lensing regime by integrating a nonlinear version of the geodesic deviation equation. The resulting ‘roulette’ expansion generalises the notion of ... -
Reductions of exceptional field theories
(Springer, 2020-03-01)Double Field Theory (DFT) and Exceptional Field Theory (EFT), collectively called ExFTs, have proven to be a remarkably powerful new framework for string and M-theory. Exceptional field theories were constructed on a case ... -
Redundant-baseline calibration of the hydrogen epoch of reionization array
(Oxford University Press, 2020-10)In 21-cm cosmology, precision calibration is key to the separation of the neutral hydrogen signal from very bright but spectrally smooth astrophysical foregrounds. The Hydrogen Epoch of Reionization Array (HERA), an ... -
Regge behavior saves string theory from causality violations
(2015-05-27) -
The Regge limit of AdS<inf>3</inf> holographic correlators
(Springer Nature, 2020-11-01)We study the Regge limit of 4-point AdS3× S3 correlators in the tree-level supergravity approximation and provide various explicit checks of the relation between the eikonal phase derived in the bulk picture and the anomalous ... -
The Regulation of the Solar Wind Electron Heat Flux by Wave-Particle Interactions
(IOP Publishing, 2024-03-01)The solar wind electrons carry a significant heat flux into the heliosphere. The weakly collisional state of the solar wind implicates collisionless processes as the primary factor that constrains nonthermal features of ... -
Research and Development for Near Detector Systems Towards Long Term Evolution of Ultra-precise Long-baseline Neutrino Experiments
With the discovery of non-zero value of $\theta_{13}$ mixing angle, the next generation of long-baseline neutrino (LBN) experiments offers the possibility of obtaining statistically significant samples of muon and electron ... -
Resonance locking in giant planets indicated by the rapid orbital expansion of Titan
(Nature Research, 2020)Saturn is orbited by dozens of moons, and the intricate dynamics of this complex system provide clues about its formation and evolution. Tidal friction within Saturn causes its moons to migrate outwards, driving them into ...