快子暴涨(英文)  

On the tachyon inflation

作　　者：李新洲[1] 刘道军[1] 郝建纲[1] 

机构地区：[1]上海师范大学天体物理中心,上海200234

出　　处：《上海师范大学学报（自然科学版）》2004年第4期29-34,共6页Journal of Shanghai Normal University(Natural Sciences)

基　　金：Supported by National Nature Ssience Foundation of China under Grant(10473007).

摘　　要：计算了快子暴涨的量子扰动谱,并在波数和模函数形式下给出了谱指标公式.特别对逆平方势模型和弦势模型的谱指标进行了具体分析.基于标量谱指标的可观测性,作者比较了通常标量暴涨和快子暴涨的差异.The spectrum of quantum fluctuations for the tachyon inflation is calculated in this paper. Eκspecially, the formulas of spectral index are shown in term of wavenumber κ and mode function. The models of tachyon inflation with an inverse squared potential and string motivated potential have been proposed and their power spectra have been analyzed. An observational test, based upon the observations of scalar spectral index, is suggested to discriminate between the ordinary scalar and tachyon.

关 键 词：暴涨 宇宙学 快子 谱指标 

分 类 号：O413[理学—理论物理] P142[理学—物理]