Navigation, Gravitation and Cosmology with Cold Atom ... - INFN
Navigation, Gravitation and Cosmology with Cold Atom ... - INFN
Navigation, Gravitation and Cosmology with Cold Atom ... - INFN
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Co-falling 85 Rb <strong>and</strong> 87 Rb ensembles<br />
Equivalence Principle<br />
Evaporatively cool to < 1 μK to<br />
enforce tight control over kinematic<br />
degrees of freedom<br />
Statistical sensitivity<br />
δg ~ 10 -15 <strong>with</strong> 1 month data<br />
collection<br />
Systematic uncertainty<br />
δg ~ 10 -16 limited by magnetic field<br />
inhomogeneities <strong>and</strong> gravity<br />
anomalies.<br />
Also, new tests of General Relativity<br />
Precursor to possible space-based<br />
system.<br />
10 m<br />
10 m atom drop tower.<br />
~10 cm wavepacket<br />
separation (!)
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