17 citations · 122 across the 11 of their papers we have counts for
11 papers
Gravitational effects on Hong-Ou-Mandel interference in terrestrial laboratory
Xuan Ye, Yang Zhang, Bo Wang
In this study, we investigate how Earth's gravitational field affects Hong-Ou-Mandel (HOM) interference experiments conducted in a terrestrial laboratory. To second order, we calcu…
Second-order cosmological perturbations produced by scalar-scalar coupling during inflation stage
Bo Wang, Yang Zhang
We study the perturbations up to the 2nd-order for a power-law inflation driven by a scalar field in synchronous coordinates. We present the 1st-order solutions, and analytically s…
Point-splitting regularization of the stress tensor of a coupling scalar field in de Sitter space
Xuan Ye, Yang Zhang, Bo Wang
We perform the point-splitting regularization on the vacuum stress tensor of a coupling scalar field in de Sitter space under the guidance from the adiabatically regularized Green'…
A massless scalar field in Robertson-Walker spacetimes: Adiabatic regularization and Green's function
Yang Zhang, Bo Wang, Xuan Ye
We study adiabatic regularization of a coupling massless scalar field in general spatially flat Robertson-Walker (RW) spacetimes. For the conformally-coupling, the 0th-order regula…
Second-order cosmological perturbations. IV. Produced by scalar-tensor and tensor-tensor couplings during the radiation dominated stage
Bo Wang, Yang Zhang
We continue to study the 2nd-order cosmological perturbations in synchronous coordinates in the framework of the general relativity (GR) during the radiation dominated (RD) stage,…
Adiabatic regularization and Green's function of a scalar field in de Sitter space: Positive energy spectrum and no trace anomaly
Yang Zhang, Xuan Ye, Bo Wang
In the conventional adiabatic regularization the vacuum ultraviolet divergences of a quantum field in curved spacetime are removed by subtracting the -mode of the stress tensor…
Second-order cosmological perturbations. III. Produced by scalar-scalar coupling during radiation-dominated stage
Bo Wang, Yang Zhang
We study the 2nd-order scalar, vector and tensor metric perturbations in Robertson-Walker (RW) spacetime in synchronous coordinates during the radiation dominated (RD) stage. The d…
Estimation of spectrum and parameters of relic gravitational waves using space-borne interferometers
Bo Wang, Yang Zhang
We present a study of spectrum estimation of relic gravitational waves (RGWs) as a Gaussian stochastic background from output signals of future space-borne interferometers, like LI…
Adiabatic regularization of power spectrum and stress tensor of relic gravitational wave without low-frequency distortion
Yang Zhang, Bo Wang
Adiabatic regularization is a method to remove UV divergences in quantum fields in curved spacetime. For relic gravitational wave generated during inflation, regularization on all…
Second-order cosmological perturbations. I. Produced by scalar-scalar coupling in synchronous gauge
Bo Wang, Yang Zhang
We present a systematic study of the 2nd order scalar, vector and tensor metric perturbations in the Einstein-de Sitter Universe in synchronous coordinates. For the scalar-scalar c…
Second-order cosmological perturbations. II. Produced by scalar-tensor and tensor-tensor couplings
Yang Zhang, Fei Qin, Bo Wang
We study the second-order perturbations in the Einstein-de Sitter Universe in synchronous coordinate. We solve the second-order perturbed Einstein equation with scalar-tensor, and…