论文标题
宇宙是一个封闭的各向异性宇宙，出生于黑洞
The universe as a closed anisotropic universe born in a black hole
论文作者
论文摘要
我们考虑在爱因斯坦 - 卡丹的重力理论中形成的宇宙。 Schwarzschild黑洞的内部可以由描述封闭的各向异性宇宙的Kantowski-Sachs度量标准表示。我们使用此度量标准将相对论自旋流体作为来源得出场方程。我们表明，如果粒子产生在剪切上占主导地位，则扭转可能会阻止奇异性并用非弹跳代替。上次反弹后的粒子产生可以产生有限的通货膨胀时期，在此期间，宇宙会扩展并各向同性化为当前观察到的状态。因此，我们的宇宙可能起源于黑洞。
We consider a universe formed in a black hole in the Einstein--Cartan theory of gravity. The interior of a Schwarzschild black hole can be represented by the Kantowski--Sachs metric that describes a closed anisotropic universe. We use this metric to derive the field equations with a relativistic spin fluid as a source. We show that torsion may prevent a singularity and replace it with a nonsingular bounce if particle production dominates over shear. Particle production after the last bounce can generate a finite period of inflation, during which the universe expands and isotropizes to the currently observed state. Our universe might have therefore originated from a black hole.
