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18 papers · 2 filters
A Compact Microchip-Based Atomic Clock Based on Ultracold Trapped Rb Atoms
Daniel M. Farkas, Alex Zozulya, Dana Z. Anderson
We propose a compact atomic clock based on ultracold Rb atoms that are magnetically trapped near the surface of an atom microchip. An interrogation scheme that combines electromagn…
Quantum-State Controlled Chemical Reactions of Ultracold KRb Molecules
S. Ospelkaus, K. -K. Ni, D. Wang +7
How does a chemical reaction proceed at ultralow temperatures? Can simple quantum mechanical rules such as quantum statistics, single scattering partial waves, and quantum threshol…
A Compact, Transportable, Microchip-Based System for High Repetition Rate Production of Bose-Einstein Condensates
Daniel M. Farkas, Kai M. Hudek, Evan A. Salim +3
We present a compact, transportable system that produces Bose-Einstein condensates (BECs) near the surface of an integrated atom microchip. The system occupies a volume of 0.4 m^3…
Controlling the hyperfine state of rovibronic ground-state polar molecules
S. Ospelkaus, K. -K. Ni, G. Quemener +6
Ultracold molecules offer entirely new possibilities for the control of quantum processes due to their rich internal structure. Recently, near quantum degenerate gases of molecules…
Many-body treatment of the collisional frequency shift in fermionic atoms
A. M. Rey, A. V. Gorshkov, C. Rubbo
Recent clock experiments have measured density-dependent frequency shifts in polarized fermionic alkaline-earth atoms using 1S0-3P0 Rabi spectroscopy. Here we provide a first-princ…
Vibrational interference of Raman and high-harmonic generation pathways
Zachary B. Walters, Stefano Tonzani, Chris H. Greene
Experiments have shown that the internal vibrational state of a molecule can affect the intensity of high harmonic light generated from that molecule. This paper presents a model w…