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4 papers · 1 filter
Testing Gravity Theories Using Stars
Jeremy Sakstein, Bhuvnesh Jain, Vinu Vikram
Modified theories of gravity have received a renewed interest due to their ability to account for the cosmic acceleration. In order to satisfy the solar system tests of gravity, th…
Tomographic and Lie algebraic significance of generalized symmetric informationally complete measurements
Huangjun Zhu
Generalized symmetric informationally complete (SIC) measurements are SIC measurements that are not necessarily rank one. They are interesting originally because of their connectio…
Spectral function of a localized fermion coupled to the Wilson-Fisher conformal field theory
Andrea Allais, Subir Sachdev
We describe the dynamics of a single fermion in a dispersionless band coupled to the 2+1 dimensional conformal field theory (CFT) describing the quantum phase transition of a boson…
Cosmological Constraints on Very Dark Photons
Anthony Fradette, Maxim Pospelov, Josef Pradler +1
We explore the cosmological consequences of kinetically mixed dark photons with a mass between 1 MeV and 10 GeV, and an effective electromagnetic fine structure constant as small a…