论文标题
关于从约旦框架中的量子$ f（r）$ bianchi宇宙学出现的经典各向同性宇宙的出现
On the emergence of a classical Isotropic Universe from a Quantum $f(R)$ Bianchi Cosmology in the Jordan Frame
论文作者
论文摘要
我们展示了量子波包的自发趋势，使其成为准古典的趋势，为宇宙动力学提供了经典的极限。但是，将来无法维持此限制（在关系时间的临界价值之后），并打开传播过程。我们表明，通货膨胀方案的发作无法使Bianchi I模型的波数据包稳定这种本地化。相反，当我们为各向同性宇宙实施扰动通货膨胀方案时，就会出现稳定的宇宙经典化机制。该结果概述了标准相对论宇宙学和修改后的$ f（r）$范式之间存在巨大差异。
We demonstrate a spontaneous tendency of quantum wave packets to become quasi-classical, providing a classical limit for the Universe dynamics. However, this limit is not maintained in the future (after a critical value of the relational time) and a spreading process is turned on. We show that the onset of an inflationary scenario is not able to make this localization stable of the wave packets for the Bianchi I model. Instead, when we implement a perturbative inflationary scenario for the isotropic Universe a mechanism of stable classicalization of the Universe emerges. This result outlines a sharp difference between the standard relativistic cosmology and a modified $f(R)$ paradigm.
