E=mc $^2$和暗能量的negative pressure
E=mc$^2$ and the negative pressure of Dark Energy
摘要：
根据最近的观测，暗能量将占我们宇宙内容的70%。解释这种暗能量最流行的方法是利用爱因斯坦引入的宇宙学常数。然而，关于这个常数的理论值仍然存在一些不确定性。替代方法必须引入压力为负的流体。在本文中，我们提出了不寻常的粒子，可以形成一个气体的正气压，同时提出了所有的引力特性的暗能量。
英文摘要：
According to recent observations, the Dark Energy would represent 70% of the content of our Universe. The most popular way to account for this Dark Energy make use of the Cosmological Constant introduced by Einstein. However, some uncertainty remain about the theoretical value this constant should have. Alternate approaches have to introduce a fluid whose pressure would be negative. In this paper, we present unusual particles which could form a gas with positive thermodynamical pressure, while presenting all the gravitational characteristics of Dark Energy.
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