4 papers · 1 filter
Spherically symmetric Einstein-scalar-field equations for wave-like decaying null infinity
Chuxiao Liu, Xiao Zhang
We show that the spherically symmetric Einstein-scalar-field equations for wave-like decaying initial data at null infinity have unique local solutions and unique global solutions…
Energy-momentum in general relativity
Xiaoning Wu, Xiao Zhang
We briefly review of the definitions of the total energy, the total linear momentum and the angular momentum of gravitational field when the cosmological constant is zero. In parti…
On the relation between ADM and Bondi energy-momenta - radiative spatial infinity
Wen-ling Huang, Xiao Zhang
In a vacuum spacetime equips with the Bondi's radiating metric which is asymptotically flat at spatial infinity including gravitational radiation ({\bf Condition D}), we establish…
On the relation between ADM and Bondi energy-momenta
Xiao Zhang
When a spacetime takes Bondi radiating metric, and is vacuum and asymptotically flat at spatial infinity which ensures the positive mass theorem, we prove that the standard ADM ene…