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11. Stimulated Generation of Superluminal Light Pulses via Four-wave Mixing
Topic: Atomic Physics
Published: 4/26/2012
Authors: Ryan Thomas Glasser, Ulrich Vogl, Paul D Lett
Abstract: We report on the four-wave mixing of superluminal pulses, in which both the injected and generated pulses involved in the process propagate with negative group velocities. Generated pulses with negative group velocities of up to vg = −c/880 ar ...

12. Trapping atoms using nanoscale quantum vacuum forces
Topic: Atomic Physics
Published: 7/10/2014
Authors: Jacob M Taylor, Darrick E. Chang, Kanupriya Sinha, H J Kimble
Abstract: Quantum vacuum forces dictate the interaction between individual atoms and dielectric surfaces at nanoscale distances. For example, their large strengths typically overwhelm externally applied forces, which makes it challenging to controllably interf ...

13. Uncooled, Millimeter-Scale Atomic Magnetometers with Femtotesla Sensitivity
Topic: Atomic Physics
Published: 10/26/2009
Authors: John E Kitching, Svenja A Knappe, William C. Griffith, Jan Preusser, V Gerginov, Peter D. Schwindt, Vishal Shah, Ricardo Jimenez Martinez
Abstract: We summarize recent results at NIST to develop high-performance yet highly miniaturized magnetic sensors based on atomic vapors confined in microfabricated alkali vapor cells. These sensors currently achieve sensitivities in the range of a few tens o ...

14. Wavelengths, Transition Probabilities, and Energy Levels for the Spectra of Barium (Ba III through Ba LVI)
Topic: Atomic Physics
Published: 11/19/2010
Authors: Jean Ellen Sansonetti, John J Curry
Abstract: Energy levels, with designations and uncertainties, have been compiled for the spectra of barium (Z=56) ions from doubly-ionized to hydrogen-like. Wavelengths with classifications, intensities, and transition probabilities are also tabulated. In addi ...

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