Beyond ΛCDM: Problems, solutions, and the road ahead

P Bull, Y Akrami, J Adamek, T Baker, E Bellini… - Physics of the Dark …, 2016 - Elsevier
Despite its continued observational successes, there is a persistent (and growing) interest in
extending cosmology beyond the standard model, Λ CDM. This is motivated by a range of …

Testing parity symmetry of gravity with gravitational waves

J Qiao, Z Li, T Zhu, R Ji, G Li, W Zhao - Frontiers in Astronomy and …, 2023 - frontiersin.org
The examination of parity symmetry in gravitational interactions has drawn increasing
attention. Although Einstein's General Relativity is parity-conserved, numerous theories of …

The Atacama Cosmology Telescope: Cosmological parameters from three seasons of data

JL Sievers, RA Hlozek, MR Nolta… - … of Cosmology and …, 2013 - iopscience.iop.org
We present constraints on cosmological and astrophysical parameters from high-resolution
microwave background maps at 148 GHz and 218 GHz made by the Atacama Cosmology …

The Atacama cosmology telescope: CMB polarization at 200< ℓ< 9000

S Naess, M Hasselfield, J McMahon… - … of Cosmology and …, 2014 - iopscience.iop.org
We report on measurements of the cosmic microwave background (CMB) and celestial
polarization at 146 GHz made with the Atacama Cosmology Telescope Polarimeter …

The large scale polarization explorer (LSPE) for CMB measurements: performance forecast

G Addamo, PAR Ade, C Baccigalupi… - … of Cosmology and …, 2021 - iopscience.iop.org
The measurement of the polarization of the Cosmic Microwave Background (CMB) radiation
is one of the current frontiers in cosmology. In particular, the detection of the primordial …

Polarized primordial gravitational waves in spatial covariant gravities

T Zhu, W Zhao, A Wang - Physical Review D, 2023 - APS
The spatial covariant gravities provide a natural way to including odd-order spatial derivative
terms into the gravitational action, which breaks the parity symmetry at gravitational sector. A …

Inflation physics from the cosmic microwave background and large scale structure

KN Abazajian, K Arnold, J Austermann, BA Benson… - Astroparticle …, 2015 - Elsevier
Fluctuations in the intensity and polarization of the cosmic microwave background (CMB)
and the large-scale distribution of matter in the universe each contain clues about the nature …

Primordial backgrounds of relic gravitons

M Giovannini - Progress in Particle and Nuclear Physics, 2020 - Elsevier
The diffuse backgrounds of relic gravitons with frequencies ranging between the aHz band
and the GHz region encode the ultimate information on the primeval evolution of the plasma …

Polarized primordial gravitational waves in the ghost-free parity-violating gravity

J Qiao, T Zhu, W Zhao, A Wang - Physical Review D, 2020 - APS
The tests of parity symmetry in the gravitational interaction is an attractive issue in
gravitational-wave astronomy. In the general theories of gravity with parity violation, one of …

Modulation of cosmic microwave background polarization with a warm rapidly rotating half-wave plate on the Atacama B-Mode Search instrument

A Kusaka, T Essinger-Hileman, JW Appel… - Review of Scientific …, 2014 - pubs.aip.org
We evaluate the modulation of cosmic microwave background polarization using a rapidly
rotating, half-wave plate (HWP) on the Atacama B-Mode Search. After demodulating the time …