论文标题
带有热光谱的辐射板;突然的真空凝结而没有重力崩溃
Radiative gravastar with thermal spectrum; Sudden vacuum condensation without gravitational collapse
论文作者
论文摘要
Gravastar是一种外来的紧凑物体,作为大规模物体重力崩溃的最终产物,以解决与黑洞相关的问题。它被薄的外壳包围,其内部被正宇宙常数所占据。最近,目前的作者通过球形对称的重力塌陷研究了量子粒子的形成,形成了ratpastar,并表明新形成的Grastar散发出热辐射,其DE Sitter Core的臂圆形温度。在本文中,为了更多地了解与Grastar形成相关的热辐射,我们研究了在Grastar形成的另一个玩具模型中的量子粒子的产生。一个带有空心内部的恒星突然通过重力真空凝结变成了一个重力。我们发现,热辐射是从刚刚形成的当前模型中刚刚形成的。来自刚刚形成的急性的热辐射来自恒星内的几何形状的变化,并伴随着重力真空冷凝物。
The gravastar is an exotic compact object proposed as a final product of gravitational collapse of a massive object in order to resolve problems associated with black holes. It is enclosed by a thin crust and the inside of it is occupied by the positive cosmological constant. Recently, the present authors studied quantum particle creation through spherically symmetric gravitational collapse to form a gravastar, and showed that the newly formed gravastar emits thermal radiation with the Gibbons-Hawking temperature of its de Sitter core. In this paper, in order to understand more about the thermal radiation associated with the gravastar formation, we investigate the quantum particle creation in another toy model of the gravastar formation; a star with the hollow inside suddenly becomes a gravastar through gravitational vacuum condensation. We find that the thermal radiation is emitted from the gravastar just formed also in the present model. The thermal radiation from the gravastar just formed comes from the change of the geometry inside the star accompanied by gravitational vacuum condensate.