升温至再热结束
Increasing Temperature toward the Completion of Reheating
摘要：
再加热是宇宙中除辐射以外的主要成分（如物质成分）的能量密度转化为辐射的过程。通常假设宇宙的温度会因宇宙膨胀而降低，即使在再加热过程中，宇宙的最高温度也会比再加热温度高得多。我们指出，在再加热过程中，宇宙的温度实际上可能在动机良好的情况下增加。我们推导出在再加热过程中温度升高的必要条件，并讨论了涉及标量场的具体例子。我们评论粒子物理学和宇宙学的影响，由于在再加热过程中的温度升高。
英文摘要：
Reheating is a process where the energy density of a dominant component of the universe other than radiation, such as a matter component, is transferred into radiation. It is usually assumed that the temperature of the universe decreases due to cosmic expansion even during the reheating process, in which case the maximal temperature of the universe is much higher than the reheat temperature. We point out that the temperature of the universe during reheating may in fact increase in well-motivated scenarios. We derive the necessary conditions for the temperature to increase during reheating and discuss concrete examples involving a scalar field. We comment on implications for particle physics and cosmology due to an increasing temperature during reheating.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
