18,526 research outputs found

    Inviscid flow field induced by a rotor in ground effect

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    Integral equations for inviscid flow field induced by rotor in ground effec

    Nonlinear actuator disk theory and flow field calculations, including nonuniform loading

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    Actuator disk theory and flow field calculations for propeller induced flow with nonuniform circulation distributio

    Superfield Realizations of Lorentz and CPT Violation

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    Superfield realizations of Lorentz-violating extensions of the Wess-Zumino model are presented. These models retain supersymmetry but include terms that explicitly break the Lorentz symmetry. The models can be understood as arising from superspace transformations that are modifications of the familiar one in the Lorentz-symmetric case.Comment: 10 page

    Coronagraph particulate measurements. Skylab flight experiment T025

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    Major results of the Skylab T025 Coronagraph experiment designed to monitor the particulate contamination about the spacecraft and to study the earth's atmospheric aerosol distribution are presented. A model for comet outbursts based on the properties of amorphous ice and ground based narrow-band and white light photography of comet Kohoutek ten days to perihelion are included. The effect of atmospheric refraction on the analysis of the T025 atmospheric data was also investigated

    Search for exchange-antisymmetric two-photon states

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    Atomic two-photon J=0 ↔\leftrightarrowJ'=1 transitions are forbidden for photons of the same energy. This selection rule is related to the fact that photons obey Bose-Einstein statistics. We have searched for small violations of this selection rule by studying transitions in atomic Ba. We set a limit on the probability vv that photons are in exchange-antisymmetric states: v<1.2⋅10−7v<1.2\cdot10^{-7}.Comment: 5 pages, 4 figures, ReVTeX and .eps. Submitted to Phys. Rev. Lett. Revised version 9/25/9
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