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Atomic gravimeter robust to environmental effects
Cristian D. Panda, Matt Tao, Miguel Ceja +2
Atomic accelerometers and gravimeters are usually based on freely-falling atoms in atomic fountains, which not only limits their size, but also their robustness to environmental fa…
Probing Gravity for one Minute with an Optical-Lattice Atom Interferometer
C. D. Panda, M. Tao, J. Eggelhof +4
We have realized an atom interferometer that probes gravitational potentials by holding, rather than dropping, atoms. Up to one minute of coherence times are realized by suspending…
Dynamics of a buffer-gas-loaded, deep optical trap for molecules
Ashwin Singh, Lothar Maisenbacher, Ziguang Lin +3
We describe an approach to optically trapping small, chemically stable molecules at cryogenic temperatures by buffer-gas loading a deep optical dipole trap. The ~10 K trap depth wi…
Coherence limits in lattice atom interferometry at the one-minute scale
Cristian D. Panda, Matthew Tao, James Egelhoff +3
In quantum metrology and quantum simulation, a coherent non-classical state must be manipulated before unwanted interactions with the environment lead to decoherence. In atom inter…
Raman transitions driven by phase-modulated light in a cavity atom interferometer
Sofus L. Kristensen, Matt Jaffe, Victoria Xu +2
Atom interferometers in optical cavities benefit from strong laser intensities and high-quality wavefronts. The laser frequency pairs that are needed for driving Raman transitions…
The metastable Q state of ThO: A new resource for the ACME electron EDM search
Xing Wu, Zhen Han, James Chow +7
The best upper limit for the electron electric dipole moment was recently set by the ACME collaboration. This experiment measures an electron spin-precession in a cold beam of ThO…
Probing gravity by holding atoms for 20 seconds
Victoria Xu, Matt Jaffe, Cristian D. Panda +3
Atom interferometers are powerful tools for both measurements in fundamental physics and inertial sensing applications. Their performance, however, has been limited by the availabl…
Attaining the shot-noise-limit in the ACME measurement of the electron electric dipole moment
C. D. Panda, C. Meisenhelder, M. Verma +7
Experimental searches for the electron electric dipole moment, , probe new physics beyond the Standard Model. Recently, the ACME Collaboration set a new limit of $|d_e| <1.1\t…
STIRAP preparation of a coherent superposition of ThO states for an improved electron EDM measurement
C. D. Panda, B. R. O'Leary, A. D. West +9
Experimental searches for the electron electric dipole moment (EDM) probe new physics beyond the Standard Model. The current best EDM limit was set by the ACME Collaboration [Scien…
Order of Magnitude Smaller Limit on the Electric Dipole Moment of the Electron
ACME Collaboration, Jacob Baron, Wesley C. Campbell +15
The Standard Model (SM) of particle physics fails to explain dark matter and why matter survived annihilation with antimatter following the Big Bang. Extensions to the SM, such as…