Kavli Affiliate: Yevgeny Stadnik
| First 5 Authors: Vladimir Schkolnik, Dmitry Budker, Oliver Fartmann, Victor Flambaum, Leo Hollberg
| Summary:
We present a concept for a high-precision optical atomic clock (OAC)
operating on an Earth-orbiting space station. This pathfinder science mission
will compare the space-based OAC with one or more ultra-stable terrestrial OACs
to search for space-time-dependent signatures of dark scalar fields that
manifest as anomalies in the relative frequencies of station-based and
ground-based clocks. This opens the possibility of probing models of new
physics that are inaccessible to purely ground-based OAC experiments such as
models where a dark scalar field is strongly screened near Earth’s surface.
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