[Interview] Axions or Not. What's Hiding Behind Dark Matter
Universe Today Podcast
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The Axial Degree of Freedom of Dark Matter
The idea that you could have a field description of almost any dark matter candidates. And so what distinguishes an axion is the potential energy in which that field exists. The particular type of axions that we're talking about are these extremely light axions, these ultralyaxions. They're really like nothing else that we know for certain exists.
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