模拟暗物质的修正引力模型的一般检验
A Generic Test of Modified Gravity Models which Emulate Dark Matter
摘要：
我们提出了一个通用的测试模型，其中重力被修改，以消除暗物质。这些模型倾向于让引力子耦合到不同于普通物质的度量。对这种模型的一个强有力的检验来自于比较宇宙学事件（如超新星）产生的引力波脉冲的到达时间与相关的中微子和光子脉冲的到达时间。对于SN 1987 a，我们表明重力波将在中微子脉冲之后5.3天到达。
英文摘要：
We propose a generic test for models in which gravity is modified to do away with dark matter. These models tend to have gravitons couple to a different metric than ordinary matter. A strong test of such models comes from comparing the arrival time of the gravitational wave pulse from a cosmological event such as a supernova with the arrival times of the associated pulses of neutrinos and photons. For SN 1987a we show that the gravity wave would have arrived 5.3 days after the neutrino pulse.
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