能动张量

我们假定四维时空的能量密度是以辐射为主的，而内禀子空间的能动张量是一个阶跃函数。

The energy density of the 4-dimensional spacetime is supposed to be dominated by incoherent radiation and the energy-momentum tensor of the internal subspace is a step function .

两维整体单极黑洞事件视界附近的一个薄层作为Casimir型系统，得到了在Boulware真空、Hartle-Hawking真空和Unruh真空的能动张量。

A thin layer of the event horizon vicinity under the two-dimension black hole spacetime with a global monopole is considered as a system of the Casimir type . The energy-momentum tensor is derived in Boulware vacuum , Hartle-Hawking vacuum and Unruh vacuum respectively .

二维静态时空中Dirac场的重正化能动张量和Casimir效应

The renormalized energy-momentum tensor and Casimir effect of Dirac field in two-dimensional static spacetime

有挠引力场之能动张量密度及自旋密度的再研究DeSitter时空中的真空能动张量

Further study of energy momentum tensor density and spin density of gravitational field with torsion THE RENORMALIZED VACUUM STRESS-ENERGY TENSOR OF de SITTER SPACE-TIME

DeSitter时空中的真空能动张量引力场能动张量定义的历史争论及重新研究

THE RENORMALIZED VACUUM STRESS-ENERGY TENSOR OF de SITTER SPACE-TIME The Historic Debate in the Definition for Energy-Momentum Tensor of Gravitational Field and Its New Study

由爱因斯坦方程和能动张量守恒方程得到Brane宇宙标度因子的演化规律。

Then got the evolution of the Brane world scale factor from the Einstein equation and the energy-momentum conservation equation .

将其能动张量与宇宙弦（核外）的能动张量叠加，求出了中微子场背景下整体宇宙弦为源的Einstein方程的线性近似解。

Adding this tension to that of a global cosmic string outside the core , solves the linear approximate solution of Einstein equation with a global cosmic string as source and with neutrino field as background .

然后由Brane度规和五维能动张量推得五维爱因斯坦方程，积分得到Brane边界条件，应用到爱因斯坦方程得到与Friedmann类似的方程。

Then obtained the five-dimensional Einstein equation from Brane metric and five-dimensional energy-momentum tensor . Integrate it , got two Brane junction conditions . Applied to the Einstein equation , found an equation analogous to Friedmann equation .

但是研究动态黑洞Hawking蒸发的工具非常有限，传统的计算重整化能动张量的方法只适用于球对称情形，而且只能作近似处理，因而用途非常局限，难以用于其它更一般的情况。

But there are very limited tools to deal with the Hawking evaporation of non-stationary black holes . The traditionary method by calculating the renormalized energy momentum tensor can be used only in the spherical symmetric case , and it deals with the problem in an approximate manner .

引力波的基本场方程与假性能动张量

Fundamental field equation and artificial energy momentum tensor for gravitational wave

引力场的能动张量是引力理论中一个极为重要的物理量。

The energy momentum tensor of gravitational field is a very important physical quantity .

引力场能动张量定义的历史争论及重新研究

The Historic Debate in the Definition for Energy-Momentum Tensor of Gravitational Field and Its New Study

定义了引力波的假性能动张量并阐述了它与引力场的赝能动张量的区别；

The artificial energy momentum tensor for gravitational wave is defined , and the differences between it and the energy momentum pseudotensor of gravitational field is clarified ;

宇宙常数模型中传统能动量赝张量的修正

Traditional Energy-Momentum Pseudotensors Revisited with A Cosmological Constant