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Showing 1 to 18 of 18 for “"T-matrix"”.

  1. ΘΕΩΡΙΑ ΤΟΥ ΠΙΝΑΚΑ ΣΚΕΔΑΣΗΣ ΓΙΑ ΘΕΡΜΟΕΛΑΣΤΙΚΑ ΚΥΜΑΤΑ

    Kathreptas, Nikolaos, Καθρέπτας, ΝικόλαοςUniversity of Patras1986

    … SECOND PART OF THIS DISSERTATION, A TRANSITION T-MATRIX IS CONSTRUCTED FOR SCATTERING OF THERMOELASTIC WAVES IN ISOTROPIC AND THERMALLY CONDUCTING MEDIA. THE T-MATRIX RELATES THE COEFFICIENTS OF THE INCIDENT THERMOELASTIC AND THE COUPLED THERMAL WAVES TO THE COEFFICIENTS OF THE CORRESPONDING …

    greece Repository record

  2. Calculations of three-body scattering amplitudes

    Pieper, Steven Charles2011

    … in the total energy of the three-body T-matrix. The T-matrix is computed for energies less than the physically allowed energies and the results of these calculations are then numerically analytically continued to the physical region. Because the wave function has very simple asymptotic …

    uiuc Repository record

  3. Electron-impact ionization of molecules

    Gao, JunfangUniversity of Missouri--Rolla2016

    … to average all molecular orientations in T-matrix. The new theoretical approaches are used to calculate fully differential cross sections (FDCS) for intermediate and low energy electron-impact ionization of molecules"--Abstract, page iv.

    must-thes Repository record

  4. Raindrop size distribution

    Bin Raba, A-AlkarimUniversity of Hull2010

    … are Rayleigh Scattering, Mie Scattering and T-Matrix method.

    hull Repository record

  5. Testing and modeling of photo-electric modulators

    Weaver, Matthew J. (Matthew James)Massachusetts Institute of Technology2012

    … for modulation. I developed analytical and T-Matrix models to extract physical parameters from the transmission scans, such as light transmission, loss in the ring, and index of refraction of the contact section. The modulators worked with an open eye up to frequencies of 600 MHz. A …

    mit Repository record

  6. Acoustic scattering of spherical directional waves by smooth and statistically rough solid elastic cylinders

    Al Mursaline, MiadMassachusetts Institute of Technology and Woods Hole Oceanographic Institution2025

    … first bench-marked against the formally exact T-matrix solution and tested against previously published laboratory data for finite cylinders. It is found that the formulation outperforms the T-matrix solution in predicting laboratory observations at near-normal incidence. Laboratory experiments …

    woods-hole Repository record

  7. Acoustic scattering of spherical directional waves by smooth and statistically rough solid elastic cylinders

    Mursaline, Miad AlMassachusetts Institute of Technology2025

    … first bench-marked against the formally exact T-matrix solution and tested against previously published laboratory data for finite cylinders. It is found that the formulation outperforms the T-matrix solution in predicting laboratory observations at near-normal incidence. Laboratory experiments …

    mit Repository record

  8. Modern electromagnetic scattering

    Yuffa, Alex J.Colorado School of Mines. Arthur Lakes Library2013

    … via separation of variables and a cluster T-matrix. We establish the limitations of the SCV approximation and it is in good agreement with the numerically-exact solution. Furthermore, we illustrate that the large host cylinder model with N cylindrical inclusions can be used to theoretically …

    colo-mines Repository record

  9. Apertureless Scanning Nearfield Optical Microscopy with Ultra-high Temporal Resolution

    Brandstetter, MatthiasUniversität Bayreuth

    … scattering cross section calculated with the T-Matrix are used to derive the ideal sample structure. Before aSNOM and farfield pump probe scheme are combined, we characterize them separately. The aSNOM is an interferometric technique that collects light scattered of a dielectric AFM tip. It …

    bayreuth Repository record

  10. Phonon scattering from monovalent substitutional impurities in sodium chloride

    Caldwell, Ronald Francis2011

    … the perturbation to be expressed as a 9 x 9 matrix. This matrix was partially diagonalized by transformin~ to symmetry coordinates. Within this new representation the perturbation matrix is diagonal in the three even parity configurations, an A1g breathing motion and two degenerate E …

    uiuc Repository record

  11. Phonon-mediated Casimir effect

    Pavlov, AndreiTechnische Universität Dresden

    … Our results, formulated in terms of the T-matrix formalism, generalize previous studies of the Casimir interaction between different kind of impurities and allow estimation of the expected phonon-induced Casimir interaction in various systems. Further, we consider a propagation of a singe …

    qucosa-diss

  12. A Comparison of Physical Fitness Levels Attained Over a Two Year Period by Elementary School Children using Obstacle-Type Playground Equipment as Against Conventional Equipment

    Lithun, Douglas G.

    … computed using a program of related t scores in matrix form for 30 variables with means and standard deviations. The random sample t test was also computed on an electronic computer using a program of non related t matrix with associated statistics. The significance was reported only at the .05 …

    nodak Repository record

  13. Modelling of Electromagnetic Scattering at Infrared Wavelengths by Pristine Ice Crystals

    Shaker, JawadUniversity of Essex2019

    … used to solve scattering methods such as Mie, T-matrix and Rayleigh theories. Thesemethods are not efficient at infrared wavelengths due to size parameter, which typically can bein order of 100 or more that leads to intensive computation. In this work, a new approach basedon physical optics is …

    essex Repository record

  14. An analysis of cryovolcano plumes on Enceladus by light scattering and polarimetry

    Morello, Claudia DomenicaKansas State University2024

    … Discrete Dipole Approximation (ADDA) and T-Matrix for both single scattering and using a multiple-scattering approximation. The Pearson correlation coefficient is used to quantify the fit of each morphology to the Cassini data in the clear CLR (611 nm), GRN (569 nm), and MT2 (727 nm) …

    ksu Repository record

  15. Ladungsanregungen im ungeordneten t-t’-t”-J-Modell

    Kühnert, ChristianTechnische Universität Dresden

    … und ist verwandt mit der sogenannten average T-matrix approximation, wird hier jedoch auf ein stark korreliertes System erweitert. Zur Illustration wird der Grundzustand von La2−xSrxCuO4 und Nd2−xCexCuO4 bei einem zusätzlichen Ladungsträger über Halbfüllung untersucht. Wie Bandstrukturrechnungen …

    qucosa-diss

  16. Amicable T-matrices and applications

    Gholamiangonabadi, Hamed2012

    lethbridge

  17. Topics in multi-component ultracold gases and gauge fields

    Ozawa, TomokiUniversity of Illinois at Urbana-Champaign2012

    … of the bare interaction by calculating the t-matrix and its consequence on the ground state phase diagrams. The second topic discussed here is three-component ultracold fermionic systems. It is known that ferromagnetism and superfluidity can coexist at low enough temperature in three-component …

    uiuc Repository record

  18. Microphysical retrieval of non-spherical aerosol particles using regularized inversion of multi-wavelength lidar data

    Samaras, StefanosUniversität Potsdam

    … of the involved optical cross sections (T-matrix theory) is computationally so costly, that would limit a retrieval analysis to an unpractical point. Moreover the discretization of the model equation by a 2D collocation method, proposed in this work, involves double integrations which are …

    potsdam-diss Repository record