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Cosmic Expansion in Extended Quasidilaton Massive Gravity
Tina Kahniashvili, Arjun Kar, George Lavrelashvili +3
Quasidilaton massive gravity offers a physically well-defined gravitational theory with non-zero graviton mass. We present the full set of dynamical equations governing the expansi…
The Atacama Cosmology Telescope: Lensing of CMB Temperature and Polarization Derived from Cosmic Infrared Background Cross-Correlation
Alexander van Engelen, Blake D. Sherwin, Neelima Sehgal +47
We present a measurement of the gravitational lensing of the Cosmic Microwave Background (CMB) temperature and polarization fields obtained by cross-correlating the reconstructed c…
The Atacama Cosmology Telescope: A Measurement of the Thermal Sunyaev-Zel'dovich One-Point PDF
J. Colin Hill, Blake D. Sherwin, Kendrick M. Smith +31
We present a measurement of the one-point probability distribution function (PDF) of the thermal Sunyaev-Zel'dovich (tSZ) decrement in the pixel temperature histogram of filtered 1…
Gaussian Approximation of Peak Values in the Integrated Sachs-Wolfe Effect
Simone Aiola, Arthur Kosowsky, Bingjie Wang
The accelerating expansion of the universe at recent epochs is encoded in the cosmic microwave background: a few percent of the total temperature fluctuations are generated by evol…
The History of Inflation from Microwave Background Polarimetry and Laser Interferometry
Jerod Caligiuri, Arthur Kosowsky, William H. Kinney +1
A period of inflation in the early universe produces a nearly scale-invariant spectrum of gravitational waves over a huge range in wavelength. If the amplitude of this gravitationa…
Primordial Magnetic Helicity Constraints from WMAP Nine-Year Data
Tina Kahniashvili, Yurii Maravin, George Lavrelashvili +1
If a primordial magnetic field in the universe has non-zero helicity, the violation of parity symmetry results in non-zero correlations between cosmic microwave background temperat…