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Using NMR to Validate First-Principles Granular Flow Equations
D. Candela, C. Huan, K. Facto +3
Nuclear magnetic resonance (NMR) experiments are described for two granular-flow systems, the vibrofluidized bed and the gas-fluidized bed. Using pulsed field gradient, magnetic re…
Origin of the anomalous heat current in collisional granular fluids
D. Candela, R. L. Walsworth
We present a heuristic explanation for the anomalous (density-gradient-dependent) heat current in collisional granular fluids. Inelastic grain collisions lead to highly non-equilib…
Cancellation of light-shifts in an N-resonance clock
Irina Novikova, Alexei V. Taichenachev, Valery I. Yudin +3
We demonstrate that first-order light-shifts can be cancelled for an all-optical, three-photon-absorption resonance ("N-resonance") on the D1 transition of Rb87. This light-shift c…
A novel absorption resonance for all-optical atomic clocks
Sergei Zibrov, Irina Novikova, David F. Phillips +4
We report an experimental study of an all-optical three-photon-absorption resonance (known as a "N-resonance") and discuss its potential application as an alternative to atomic clo…