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Dense magnetized plasma associated with a fast radio burst
Kiyoshi Masui, Hsiu-Hsien Lin, Jonathan Sievers +15
Fast Radio Bursts are bright, unresolved, non-repeating, broadband, millisecond flashes, found primarily at high Galactic latitudes, with dispersion measures much larger than expec…
Cosmic tidal reconstruction
Hong-Ming Zhu, Ue-Li Pen, Yu Yu +2
The gravitational coupling of a long-wavelength tidal field with small-scale density fluctuations leads to anisotropic distortions of the locally measured small-scale matter correl…
Shocks in the Early Universe
Ue-Li Pen, Neil Turok
We point out a surprising consequence of the usually assumed initial conditions for cosmological perturbations. Namely, a spectrum of Gaussian, linear, adiabatic, scalar, growing m…
Pulsar lensing geometry
Siqi Liu, Ue-Li Pen, J-P Macquart +2
Our analysis of archival VLBI data of PSR 0834+06 revealed that its scintillation properties can be precisely modelled using the inclined sheet model (Pen & Levin 2014), resulting…
The Cosmic Dawn and Epoch of Reionization with the Square Kilometre Array
L. V. E. Koopmans, J. Pritchard, G. Mellema +42
Concerted effort is currently ongoing to open up the Epoch of Reionization (EoR) (15-6) for studies with IR and radio telescopes. Whereas IR detections have been made of sou…
Non-Cosmological FRBs from Young Supernova Remnant Pulsars
Liam Connor, Jonathan Sievers, Ue-Li Pen
We propose a new extragalactic but non-cosmological explanation for fast radio bursts (FRBs) based on very young pulsars in supernova remnants. Within a few hundred years of a core…