用星震学搜索暗物质
Dark matter searches with asteroseismology
摘要：
高精度的星震数据为检验恒星演化理论和新物理学，如宇宙暗物质的性质，提供了极好的机会。在这里，我们将表明，DM的一些模型导致的变化，在经典的恒星演化的情况。低质量恒星核心中DM的积累降低了其中心温度，并抑制了1.1-1.3 M恒星中小对流核心的形成。我们回顾了asteroseismic的限制，已被设置为DM粒子的特性，获得比较的振荡的恒星α Cen B与修改后的恒星模型。最后，我们讨论的前景，使用CoRoT和开普勒数据的主序星和红巨星，以进一步限制DM的性质。
英文摘要：
High-precision asteroseismic data provides an excellent opportunity to test theories of stellar evolution and new physics, such as the properties of the dark matter (DM) of the Universe. Here we will show that some models of DM lead to changes in the classical scenario of stellar evolution. The accumulation of DM in the core of low-mass stars reduces their central temperatures and inhibits the formation of small convective cores in 1.1-1.3 Ms stars. We review the asteroseismic constraints that have been set to the characteristics of the DM particles, obtained comparing the oscillations of the star Alpha Cen B with modified stellar models. To conclude, we discuss the prospects to use CoRoT and Kepler data on main-sequence stars and red giants to further constrain the nature of DM.
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