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Pre-inflationary universe in loop quantum cosmology

- Tao Zhu, Anzhong Wang, G. Cleaver, K. Kirsten, Q. Sheng
- Physics
- 21 May 2017

The evolutions of the flat FLRW universe and its linear perturbations are studied systematically in the dressed metric approach of LQC. When it is dominated by the kinetic energy of the inflaton at… Expand

Towards Cosmological Dynamics from Loop Quantum Gravity

- Bao-Fei Li, Parampreet Singh, Anzhong Wang
- Physics
- 22 January 2018

We present a systematic study of the cosmological dynamics resulting from an effective Hamiltonian, recently derived in loop quantum gravity (LQG) using Thiemann's regularization and earlier obtained… Expand

LETTER: Generalized Vaidya Solutions

- Anzhong Wang, Yumei Wu
- Physics
- 11 March 1998

A large family of solutions, representing, ingeneral, spherically symmetric Type II fluid, ispresented, which includes most of the known solutions tothe Einstein field equations, such as, the… Expand

Hořava gravity at a Lifshitz point: A progress report

- Anzhong Wang
- Physics
- 21 January 2017

Hořava’s quantum gravity at a Lifshitz point is a theory intended to quantize gravity by using traditional quantum field theories. To avoid Ostrogradsky’s ghosts, a problem that has been facing in… Expand

Born-Infeld black holes in (A)dS spaces

- R. Cai, Da-Wei Pang, Anzhong Wang
- Physics
- 14 October 2004

We study some exact solutions in a D(greater than or equal to4)-dimensional Einstein-Born-Infeld theory with a cosmological constant. These solutions are asymptotically de Sitter or anti-de Sitter,… Expand

Thick de Sitter 3-branes, dynamic black holes, and localization of gravity

- Anzhong Wang
- Physics
- 8 January 2002

The embedding of a thick de Sitter 3-brane into a five-dimensional bulk is studied, assuming a scalar field with a potential is present in the bulk. A class of solutions is found in closed form that… Expand

Black hole formation from collapsing dust fluid in a background of dark energy

- R. Cai, Anzhong Wang
- Physics
- 6 May 2005

The gravitational collapse of a spherically symmetric star, made of a dust fluid, rho(DM), in a background of dark energy, p=w rho (w <-1/3) is studied. It is found that when only dark energy is… Expand

Friedmann equations and thermodynamics of apparent horizons.

- Y. Gong, Anzhong Wang
- Physics, Medicine
- Physical review letters
- 6 April 2007

TLDR

Constraints on Einstein-aether theory after GW170817

- Jacob Oost, S. Mukohyama, Anzhong Wang
- Physics
- 12 February 2018

In this paper, we carry out a systematic analysis of the theoretical and observational constraints on the dimensionless coupling constants $c_i$ ($i=1,2,3,4$) of the Einstein-aether theory, taking… Expand

Cosmology with interaction between phantom dark energy and dark matter and the coincidence problem

- R. Cai, Anzhong Wang
- Physics
- 2 November 2004

We study a cosmological model in which phantom dark energy is coupled to dark matter by phenomenologically introducing a coupled term to the equations of motion of dark energy and dark matter. This… Expand

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