The TianQin project: Current progress on science and technology

J Mei, YZ Bai, J Bao, E Barausse, L Cai… - … of Theoretical and …, 2021 - academic.oup.com
TianQin is a planned space-based gravitational wave (GW) observatory consisting of three
Earth-orbiting satellites with an orbital radius of about. The satellites will form an equilateral …

New sensitivity curves for gravitational-wave signals from cosmological phase transitions

K Schmitz - Journal of High Energy Physics, 2021 - Springer
A bstract Gravitational waves (GWs) from strong first-order phase transitions (SFOPTs) in the
early Universe are a prime target for upcoming GW experiments. In this paper, I construct …

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 …

Probing vector hair of black holes with extreme-mass-ratio inspirals

D Liang, R Xu, ZF Mai, L Shao - Physical Review D, 2023 - APS
The bumblebee gravity model, with a vector field nonminimally coupled to gravity, is a
natural extension of the Einstein-Maxwell theory. In this theory, a black hole can carry a …

Science with the TianQin Observatory: Preliminary results on Galactic double white dwarf binaries

SJ Huang, YM Hu, V Korol, PC Li, ZC Liang, Y Lu… - Physical Review D, 2020 - APS
We explore the prospects of detecting Galactic double white dwarf (DWD) binaries with the
space-based gravitational wave (GW) observatory TianQin. In this work, we analyze both a …

Parallelized inference for gravitational-wave astronomy

C Talbot, R Smith, E Thrane, GB Poole - Physical Review D, 2019 - APS
Bayesian inference is the workhorse of gravitational-wave astronomy, for example,
determining the mass and spins of merging black holes, revealing the neutron star equation …

Constraints on primordial curvature perturbations from primordial black hole dark matter and secondary gravitational waves

Y Lu, Y Gong, Z Yi, F Zhang - Journal of Cosmology and …, 2019 - iopscience.iop.org
Primordial black holes and secondary gravitational waves can be used to probe the small
scale physics at very early time. For secondary gravitational waves produced after the …

Revisiting a family of wormholes: geometry, matter, scalar quasinormal modes and echoes

P Dutta Roy, S Aneesh, S Kar - The European Physical Journal C, 2020 - Springer
We revisit a family of ultra-static Lorentzian wormholes which includes Ellis–Bronnikov
spacetime as a special case. We first show how the required total matter stress energy …

Gravitational waves from the quasicircular inspiral of compact binaries in Einstein-aether theory

C Zhang, X Zhao, A Wang, B Wang, K Yagi, N Yunes… - Physical Review D, 2020 - APS
We study gravitational waves emitted by a binary system of nonspinning bodies in a
quasicircular inspiral within the framework of Einstein-aether theory. In particular, we …

Sensitivity functions of space-borne gravitational wave detectors for arbitrary time-delay interferometry combinations regarding nontensorial polarizations

PP Wang, YJ Tan, WL Qian, CG Shao - Physical Review D, 2021 - APS
Direct observation of gravitational waves offers us numerous novel possibilities to further
explore the Universe. In practice, the efficiency of the experimental facility for a given …