论文标题
Efteraton作为伪-Nambu-Goldstone玻色子
Inflaton as a pseudo-Nambu-Goldstone boson
论文作者
论文摘要
在宇宙通货膨胀的现实模型中，在量子校正下，充气电位应平坦且稳定。可以自然地想象，已经检查了一些对称性的对称性，并且已经检查了一种对某些对称性的自发破裂的nambu-goldstone玻色子。我们使用低能有效理论中Nambu-Goldstone Boson的非线性实现，通过一些明确的对称性破裂来产生非平凡的潜力，从而对此思想进行了总体表述。潜力自然是一个简单的功能，通常是充气量的质量项，“温暖通货膨胀”的场景必须在当前的观察限制下应用。我们研究了充气场方程中必要的热耗散项的发电机理，以“温暖的通货膨胀”，而没有大量的热校正到充气电位。给出了简单的数值分析来研究这种情况的可行性。
In the realistic model of cosmic inflation the inflaton potential should be flat and stable under quantum corrections. It is natural to imagine that there is some symmetry behind and an idea of the inflaton as a Nambu-Goldstone boson of spontaneous breaking of some symmetry has been examined. We give a general formulation of this idea using the non-linear realization of Nambu-Goldstone boson in low-energy effective theory with some explicit symmetry breaking to generate non-trivial potential. The potential is naturally a simple function, typically the mass term of inflaton, and the scenario of "warm inflation" should necessarily be applied under the present observational constraints. We investigate the generation mechanism of necessary thermal dissipation term in inflaton field equation for "warm inflation" without large thermal corrections to inflaton potential. A simple numerical analysis is given to investigate the viability of this scenario.
