409 citations
- E. Chudnovsky24 · h 35
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- City University of New YorkUS84 papers
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7 papers · 1 filter
Determining Quasar Orientation
Suk Yee Yong, Rachel L. Webster, Anthea L. King +3
Since the discovery of active galactic nuclei (AGN) and their subclasses, a unification scheme of AGN has been long sought. Orientation-based unified models predict that some of th…
Phase effects in coherently-stimulated down-conversion with a quantized pump field
Richard J. Birrittella, Paul M. Alsing, Christopher C. Gerry
We investigate the effect of the cumulative phase on the photon statistics of the three-mode state whose evolution is described by the trilinear Hamiltonian $\hat{H}_{I}=i\hbarκ\bi…
Hot thermal universe endowed with massive dark vector fields and the Hubble tension
Luis A. Anchordoqui, Santiago E. Perez Bergliaffa
The value of Hubble constant inferred from Planck measurements of anisotropies in the cosmic microwave background is at tension with direct astronomical measurements at low…
Quasinormal modes, echoes and the causal structure of the Green's function
Lam Hui, Daniel Kabat, Sam S. C. Wong
Quasinormal modes describe the return to equilibrium of a perturbed system, in particular the ringdown phase of a black hole merger. But as globally-defined quantities, the quasino…
Hunting for super-heavy dark matter with the highest-energy cosmic rays
Esteban Alcantara, Luis A. Anchordoqui, Jorge F. Soriano
In 15 years of data taking the Pierre Auger Observatory has observed no events beyond GeV. This null result translates into an upper bound on the flux of ultrahigh-ener…
The Most Powerful Lenses in the Universe: Quasar Microlensing as a Probe of the Lensing Galaxy
David Pooley, Timo Anguita, Saloni Bhatiani +14
Optical and X-ray observations of strongly gravitationally lensed quasars (especially when four separate images of the quasar are produced) determine not only the amount of matter…