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单词 Warm dark matter
释义

Warm dark matter

中文百科

温暗物质

温暗物质(WDM)是理论上性质介于热暗物质和冷暗物质之间的暗物质,经常以惰性中微子作为WDM的代表。

这个温暗物质模型,使得天文物理学家在宇宙各处搜索能合于理论的物质。

英语百科

Warm dark matter 温暗物质

Warm dark matter (WDM) is a hypothesized form of dark matter that has properties intermediate between those of hot dark matter and cold dark matter, causing structure formation to occur bottom-up from above their free-streaming scale, and top-down below their free streaming scale. The most common WDM candidates are sterile neutrinos and gravitinos. The WIMPs (weakly interacting massive particles), when produced non-thermally could be candidates for warm dark matter. In general, however the thermally produced WIMPs are cold dark matter candidates.

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