Stationary, axi-symmetric Einstein field equations in higher dimensions: harmonic mappings uniqueness of solutions and inverse scattering tranform technique

Karasu, Atalay


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We present the linear-linear (LL) basis functions to improve the accuracy of the magnetic-field integral equation (MFIE) and the combined-field integral equation (CFIE) for three-dimensional electromagnetic scattering problems involving closed conductors. We consider the solutions of relatively large scattering problems by employing the multilevel fast multipole algorithm. Accuracy problems of MFIE and CFIE arising from their implementations with the conventional Rao-Wilton-Glisson (RWG) basis functions can...
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As the investigation of materials at nano scale become possible with today's technology it is observed that some physical phenomenons have different characteristics at atomistic scale than macroscopic one because of the quantum mechanical effects. One of these physical processes that differs at nano scale is the friction force. While it is expected that the friction force to be independent of contact area and velocity according to Amontos-Coulomb laws, it was observed that it changes by the effect of some p...
Measurement of chi(c1) and chi(c2) production with root s=7 TeV pp collisions at ATLAS
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The prompt and non-prompt production cross-sections for the chi(c1) and chi(c2) charmonium states are measured in pp collisions at root s = 7TeV with the ATLAS detector at the LHC using 4.5 fb(-1) of integrated luminosity. The chi(c) states are reconstructed through the radiative decay chi c -> J/psi gamma ( with J/psi -> mu(+)mu(-)) where photons are reconstructed from gamma -> e(+)e(-) conversions. The production rate of the chi(c2) state relative to the chi(c1) state is measured for prompt and non-prompt...
Pulsed FMCW waveform design for LPI radars based on stretch processing
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An FMCW radar waveform design based on stretch procesing is described. Transmit (TX) and Receive (RX) functions are separated in time. A single antenna with no isolation problems can be used. A rigorous analysis of coherent processing is presented. Advantages and disadvantages are discussed. Compared to Pulsed Doppler Radar (PDR) this waveform has significant LPI properties. A generic design example is also given.
Citation Formats
A. Karasu, “Stationary, axi-symmetric Einstein field equations in higher dimensions: harmonic mappings uniqueness of solutions and inverse scattering tranform technique,” Ph.D. - Doctoral Program, Middle East Technical University, 1988.