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87 papers
Enhancing Divalent Optical Atomic Clocks with the Transition
Matthew A. Bohman, Sergey G. Porsev, David B. Hume +2
Divalent atoms and ions with a singlet ground state and triplet excited state form the basis of many high-precision optical atomic clocks. Along with the metastable $^{3}\m…
Detection of Bosenovae with Quantum Sensors on Earth and in Space
Jason Arakawa, Joshua Eby, Marianna S. Safronova +2
In a broad class of theories, the accumulation of ultralight dark matter (ULDM) with particles of mass leads the to formation of long-l…
Contribution of negative-energy states to multipolar polarizabilities of the Sr optical lattice clock
S. G. Porsev, M. G. Kozlov, M. S. Safronova
We address the problem of lattice light shifts in the Sr clock caused by multipolar M1 and E2 atom-field interactions. We presented a simple but accurate formula for the magnetic-d…
Quantum metrology algorithms for dark matter searches with clocks
M. H. Zaheer, N. J. Matjelo, D. B. Hume +2
Quantum algorithms such as dynamical decoupling can be used to improve the sensitivity of a quantum sensor to a signal while suppressing sensitivity to noise. Atomic clocks are amo…
Motional ground-state cooling of single atoms in state-dependent optical tweezers
Christian Hölzl, Aaron Götzelmann, Moritz Wirth +3
Laser cooling of single atoms in optical tweezers is a prerequisite for neutral atom quantum computing and simulation. Resolved sideband cooling comprises a well-established method…
Oscillating nuclear charge radii as sensors for ultralight dark matter
Abhishek Banerjee, Dmitry Budker, Melina Filzinger +5
We show that coupling of ultralight dark matter (UDM) to quarks and gluons would lead to an oscillation of the nuclear charge radius for both the quantum chromodynamics (QCD) axion…