论文标题
带有(几乎)Planck-Scale衰减常数的Axion Star的全球视图
Global View of Axion Stars with (Nearly) Planck-Scale Decay Constants
论文作者
论文摘要
我们表明,由轴是由轴形成的轴恒星,几乎是普朗克尺寸的衰减常数$ f $是不稳定的,并且不太可能产生现象学后果。更笼统地,我们将如何将较小$ f $的结果天真地推出到$ f = \ nathcal {o}(m_p)$中,与传统的智慧,重力和特殊相对性相反,都可以在同一制度中相关。我们通过审查和扩展了Oscillons和Axion Stars的先前工作来阐明衰减率,即使对于所谓的稀释状态,这也意味着快速衰减的速度。
We show that axion stars formed from axions with nearly Planck-scale decay constants $f$ are unstable to decay, and are unlikely to have phenomenological consequences. More generally, we show how results at smaller $f$ cannot be naively extrapolated to $f=\mathcal{O}(M_P)$ as, contrary to conventional wisdom, gravity and special relativity can both become relevant in the same regime. We clarify the rate of decay by reviewing and extending previous work on oscillons and axion stars, which imply a fast decay rate even for so-called dilute states at large $f$.