1 code implementation • 9 Dec 2020 • Alejandro Aviles, Georgios Valogiannis, Mario A. Rodriguez-Meza, Jorge L. Cervantes-Cota, Baojiu Li, Rachel Bean
We develop a framework to compute the redshift space power spectrum (PS), with kernels beyond Einstein-de Sitter (EdS), that can be applied to a wide variety of generalized cosmologies.
Cosmology and Nongalactic Astrophysics
no code implementations • 24 Feb 2020 • Tian-Xiang Mao, Jie Wang, Baojiu Li, Yan-Chuan Cai, Bridget Falck, Mark Neyrinck, Alex Szalay
We propose a new scheme to reconstruct the baryon acoustic oscillations (BAO) signal, which contains key cosmological information, based on deep convolutional neural networks (CNN).
no code implementations • 4 Oct 2017 • Marius Cautun, Enrique Paillas, Yan-Chuan Cai, Sownak Bose, Joaquin Armijo, Baojiu Li, Nelson Padilla
We present a systematic comparison of several existing and new void finding algorithms, focusing on their potential power to test a particular class of modified gravity models - chameleon $f(R)$ gravity.
Cosmology and Nongalactic Astrophysics
no code implementations • 23 Jun 2017 • Matteo Leo, Carlton M. Baugh, Baojiu Li, Silvia Pascoli
We investigate the impact of thermal velocities in N-body simulations of structure formation in warm dark matter models.
Cosmology and Nongalactic Astrophysics
