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Browsing Física by Author "RamosGOMEZ, F"

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Browsing Física by Author "RamosGOMEZ, F"

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  • A CORRECTION TO THE SCREENING PARAMETER IN THE THOMAS-FERMI THEORY
    CALLES, A; CABRERA, A; RamosGOMEZ, F; Marquina-Fábrega, María Luisa (1992)
    A correction to the screening parameter is made within the Thomas-Fermi theory of the dielectric function. The density of levels used is calculated so that the free electron contribution is modified by considering the ...
  • HIGH-FREQUENCY VIBRATIONS IN THE YBACUO SUPERCONDUCTOR
    CASTRO, JJ; CALLES, A; SALCIDO, A; RamosGOMEZ, F; Yépez, E; Cabrera, A (1991)
    We perform a theoretical calculation of the effective temperature T(eff) for the high T(c) superconductor Y Ba2Cu3O7 as a function of the force constants in a lattice dynamic model. From the partial phonon density of ...
  • JAHN-TELLER EFFECT IN THE LA-SR-CU-O SUPERCONDUCTOR
    CASTRO, JJ; SALCIDO, A; RamosGOMEZ, F; Yépez, E; Calles, A; Cabrera, A (1991)
    The CuO6 octahedron in the T structure of the La - Sr - Cu - O superconductor is considered within the quasi-molecular approximation in order to calculate the electronic structure and the vibrational modes that could ...

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