论文标题
轴向对称的时空,因果关系违反
An axially symmetric spacetime with causality violation
论文作者
论文摘要
我们提出了一个轴向对称的时空,其中包含封闭的时间表曲线,因此违反了因果关系。该度量属于彼得罗夫分类方案中的III型,其膨胀,剪切和扭曲消失。物质能源代表一个纯辐射场,具有负宇宙常数。时空是径向方向渐近的抗DE保修空间。
We present an axially symmetric spacetime which contains closed timelike curves, and hence violates the causality condition. The metric belongs to type III in the Petrov classification scheme with vanishing expansion, shear and twist. The matter-energy represents a pure radiation field with a negative cosmological constant. The spacetime is asymptotically anti-de Sitter space in the radial direction.