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75 papers · 1 filter
The Bayesian Who Knew Too Much
Yann Benétreau-Dupin
In several papers, John Norton has argued that Bayesianism cannot handle ignorance adequately due to its inability to distinguish between neutral and disconfirming evidence. He arg…
Weather on Other Worlds. III. A Survey for T Dwarfs with High Amplitude Optical Variability
Aren N. Heinze, Stanimir Metchev, Kendra Kellogg
We have monitored twelve T dwarfs with the Kitt Peak 2.1m telescope using an f814w filter (0.7-0.95 microns) to place in context the remarkable 10-20% variability exhibited by the…
An ALMA Disk Mass for the Candidate Protoplanetary Companion to FW Tau
Adam L. Kraus, Sean M. Andrews, Brendan P. Bowler +5
We present ALMA observations of the FW Tau system, a close binary pair of M5 stars with a wide-orbit (300 AU projected separation) substellar companion. The companion is extremely…
Mining for Dust in Type 1 Quasars
Coleman M. Krawczyk, Gordon T. Richards, S. C. Gallagher +4
We explore the extinction/reddening of ~35,000 uniformly selected quasars with 0<z<5.3 in order to better understand their intrinsic optical/ultraviolet spectral energy distributio…
Dirac semimetals (=Na,K,Rb) as Weyl semimetals
E. V. Gorbar, V. A. Miransky, I. A. Shovkovy +1
We demonstrate that the physical reason for the nontrivial topological properties of Dirac semimetals (A=Na,K,Rb) is connected with a discrete symmetry of the low-energy e…
Conserved quantities and dual turbulent cascades in Anti-de Sitter spacetime
Alex Buchel, Stephen R. Green, Luis Lehner +1
We consider the dynamics of a spherically symmetric massless scalar field coupled to general relativity in Anti--de Sitter spacetime in the small-amplitude limit. Within the contex…