论文标题
反DE保姆边界上的标准宇宙学
Standard Cosmology on the Anti-de Sitter boundary
论文作者
论文摘要
众所周知的Brane世界宇宙学模型是宇宙学标准模型的替代方法，称为λCDM（Lambda Cold Dark Matter）模型。但是，勃雷宇宙的二次能量密度需要不良的微调。该论文通过使用第二个爱因斯坦方程来开发一个新的抗DE保姆（ADS）Brane World模型，而无需进行二次能量密度，该方程在全息肾上腺素化期间出现。在ADS边界上，证明该Brane模型等于有效的DE SitterλCDM模型，而ADS边界附近的Brane模型同意除最早时间以外的λCDM模型。最后，可以证明避免了巧合问题，并且宇宙学恒定问题（如果无法解决）大大减少。
The well-known brane world model of cosmology is an alternative to the standard model of cosmology, called ΛCDM (Lambda Cold Dark Matter) model. However, the quadratical energy density of the brane universe requires an undesirable fine tuning. The paper develops a new Anti-de Sitter (AdS) brane world model without the quadratical energy density by using a second Einstein equation, which arises canonically during a holographic renormalisation. On the AdS boundary it is demonstrated that this brane model equals an effective de Sitter ΛCDM model, whereas the brane model near the AdS boundary agrees to the ΛCDM model except the earliest times. Finally, it is shown that the coincidence problem is avoided and the cosmological constant problem, if not solved, is greatly reduced.
