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Search for dark matter with orbiting atomic clocks

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Search for dark matter with orbiting atomic clocks

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This a short review of opportunities for NASA in searches for ultralight dark matter with orbiting atomic clocks and cavities. If dark matter drives minute variation of fundamental constants, resonance frequencies of atomic clocks and cavities would be affected in a manner consistent with dark matter models. Orbiting constellations of atomic clocks can probe these models. These can be, for example, a dedicated relatively inexpensive constellation of CubeSats housing miniature optical clocks.

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