标题： 由于高维大质量引力理论的维度约减的宇宙学模型 显示英文标题

标题： Cosmological model due to dimensional reduction of higher-dimensional massive gravity theory

摘要： 我们研究了一个由高维dRGT大质量引力的维度约简产生的宇宙学模型。 通过使用Kaluza-Klein维度约简，我们得到一个带有标量场的有效四维大质量引力理论。 发现该理论对应于质量变化的大质量引力和准稀释子大质量引力的联合描述。 通过分析宇宙学解，我们发现由于引力子质量，有可能获得宇宙的晚期膨胀。 通过使用动力系统方法，我们找到了模型参数区域，在这些区域中，宇宙的晚期膨胀是一个稳定的固定点。 此外，这也提供了一种稳定额外维度的机制。 显示英文摘要

摘要： We investigate a cosmological model resulting from a dimensional reduction of the higher-dimensional dRGT massive gravity. By using the Kaluza-Klein dimensional reduction, we obtain an effective four-dimensional massive gravity theory with a scalar field. It is found that the resulting theory corresponds to a combined description of mass-varying massive gravity and quasi-dilaton massive gravity. By analyzing the cosmological solution, we found that it is possible to obtain the late-time expansion of the universe due to the graviton mass. By using a dynamical system approach, we found regions of model parameters for which the late-time expansion of the universe is a stable fixed point. Moreover, this also provides a mechanism to stabilize the extra dimensions.