Initial conditions problem in cosmological inflation revisited

Initial conditions problem in cosmological inflation revisited
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重新审视宇宙膨胀的初始条件问题

DOI:
10.1016/j.physletb.2023.138028
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发表时间:
2023
期刊:
影响因子:
4.4
通讯作者:
P. Steinhardt
P. Steinhardt
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
D. Garfinkle;Anna Ijjas;P. Steinhardt

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我们给出了一个新的数值相对论代码的第一个结果,该代码基于爱因斯坦标量场方程的四元体形式,并结合最近引入的规范/标架不变量诊断。这些结果支持了大爆炸后,从一般初始条件出发,膨胀并不能解决均匀和各向同性问题的论点。
We present first results from a novel numerical relativity code based on a tetrad formulation of the Einstein-scalar field equations combined with recently introduced gauge/frame invariant diagnostics. The results provide support for the argument that inflation does not solve the homogeneity and isotropy problem beginning from generic initial conditions following a big bang.
DOI: 10.1016/j.physletb.2020.135690
发表时间: 2020-09-10
期刊: PHYSICS LETTERS B
影响因子: 4.4
作者:
Cook, William G.;Glushchenko, Iryna A.;Steinhardt, Paul J.
通讯作者: Steinhardt, Paul J.