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Browsing Física by Title

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  • Magnetic character of the two-dimensional electron gas
    Orozco, S; Mendez-Moreno, R; Moreno, M (2001)
    The energies of the paramagnetic and ferromagnetic states of the two-dimensional electron gas are evaluated and compared in order to determine the magnetic character of the ground state. The calculations are made with the ...
  • Magnetic softening and hardening in Metglas (R) 2605SC at the onset of nanocrystallization
    Aburto, S; Jimenez, M; Gomez, R; Ridaura, R; Valenzuela, R; Marquina, V; Marquina-Fábrega, María Luisa (1998)
    Mossbauer spectroscopy, coercive field and permeability were used to study the transformations produced by annealing at 375 degrees C as-quenched amorphous ribbons of Metglas(R) 2605 SC of nominal composition Fe81B13.5Si3.5C2. ...
  • MAGNETIC SUBLATTICES IN NICKEL FERRITE
    FUENTES, V; VALENZUELA, R; Aburto, S (1987)
  • MAGNETOHYDRODYNAMIC AUTOCORRELATION FUNCTIONS IN EXTENDED IRREVERSIBLE THERMODYNAMICS
    SALASBRITO, AL; MartínezYROMERO, RP (1991)
    Using the approach of extended irreversible thermodynamics, we calculated the equilibrium autocorrelation functions for the concentration, the transverse velocity and the viscosity, for a neutral binary mixture of two ...
  • MANIFESTATIONS OF GEOMETRICAL AND DYNAMIC PHASES FOR THE PHOTON UNDER CYCLIC AND NONCYCLIC EVOLUTIONS
    GRETHER, M; GONGORA, A; LópezMORENO, E (1993)
    We review the geometrical phases in a non planar Mach-Zehnder interferometer as a non adiabatic Ahaxonov-Anandan phase shift. Light traveled interferometer's arms along paths twisted in the three spatial dimensions. Both ...
  • Manual de prácticas de física y medicina
    Zarzosa Pérez, Alicia (Las Prensas de Ciencias, 2009)
    Este manual contiene 17 prácticas en donde conceptos y terminología propios de la física se aplican a experimentos en los que el instrumento principal es el organismo humano. Estas prácticas no requieren equipo especial ...
  • Masses of atomic nuclei far from stability
    Barea, J; Frank, A; Hirsch, JG; Van Isacker, P; Velázquez, VM (2007)
    It is shown that a new way of applying a set of nuclear-mass relations among neighbouring nuclei, known as the Garvey-Kelson (GK) relations, holds exceptionally well for all currently measured masses. It is then demonstrated ...
  • Measurement of forces between two parallel conducting cylinders
    Cruz, AC; Ley-Koo, E (2002)
    We describe the experimental arrangement and method to measure the force between pairs of parallel conducting cylinders at different separations and with fixed potential differences. The results of the measurement for ...
  • Mecánica analítica
    Yépez-Mulia, E; Yépez-Martínez, M (Las Prensas de Ciencias, 2007)
    En esta obra se presenta a la mecánica analítica, desarrollada a partir de la mecánica de Newton, como una alternativa que permite un planteamiento general del estudio de los sistemas mecánicos. Todos los conceptos se ...
  • Mecánica cuántica
    De Llano, M (Las Prensas de Ciencias, 2006)
    Esta obra, que ha sido extensamente probada en México y en Estados Unidos con gran éxito en cursos universitarios a nivel licenciatura y posgrado, procura ser "amigable" con cualquier persona interesada en la estructura ...
  • Mecánica. Libro 1
    Viniegra Heberlein, Fermin Alberto (Las Prensas de Ciencias, 2007)
    Esta obra consta de tres libros; en éste, el primero, se presenta la llamada "mecánica clásica". Aquí se relata, de forma amena y didáctica, la génesis de la teoría de Newton, las leyes fundamentales y algunas de sus ...
  • Mecánica. Libro 2
    Viniegra Heberlein, Fermin Alberto (Las Prensas de Ciencias, 2008)
    En este segundo libro se presenta el desarrollo de la mecánica analítica, internándose en la ideas que sobre la mecánica surgieron en el siglo XVIII,
  • Mecánica. Libro 3
    Viniegra Heberlein, Fermin Alberto (Las Prensas de Ciencias, 2009)
    En este tercer libro de la serie Mecánica del Dr. Viniegra, se presentan, entre otros conceptos: la tercera formulación de la mecánica, dinámica de los cuerpos materiales, transformaciones canónicas, los corchetes de ...
  • A mechanical model for analyzing the runaway solutions in the radiation reaction problem
    Jimenez, JL; Roa-Neri, JAE; Vargas, P (2007)
    In order to understand the rise of runaway solutions in the radiation reaction problem a mechanical model is used. An alternative demonstration of Daboul's theorem, through Hurwitz's criterion, is given. The origin of ...
  • MERCURY-BASED SUPERCONDUCTORS WITH QUASI-NORMAL OCCUPANCY
    MORENO, M; MENDEZMORENO, RM; OROZCO, S; ORTIZ, MA (1995)
    A model with anomalous occupancy is applied to Hg-based cuprate superconductors. The anomaly consists of a small energy gap near the Fermi surface, the scale of the gap anomaly is of order of the cutoff (v.g. Debye) energy. ...
  • Mesoscopic constitutive relations for dilute polymer solutions
    Malaga, C; Mandujano, F; Santamaria, I (2006)
    A novel approach to the dynamics of dilute solutions of polymer molecules under flow conditions is proposed by applying the rules of mesoscopic nonequilibrium thermodynamics (MNET). The probability density describing the ...
  • Mesoscopic diffusion as a non-Markov process
    Godoy, S; García-Colin, LS (1998)
    We use both classical and quantum S-matrix theories to derive expressions for the ballistic diffusion current of a 1D mesoscopic crystalline solid. For both theories, we get the same local Fick's law, thus proving that ...
  • Mesoscopic thermodynamics of stationary non-equilibrium states
    Rubi, JM; Perez-Madrid, A; Santamaria, I (2005)
    Thermodynamics for systems at non-equilibrium stationary states have been formulated, based on the assumption of the existence of a local equilibrium in phase space which enables one to interpret the probability density ...
  • Microscopic derivation of the Helmholtz force density on a magnetic fluid in an electromagnetic field
    Jimenez, JL; Campos, I; López-Marino, MA (2010)
    The results obtained by Lai, Suen and Young (Phys Rev A, 25 (1982) 1755) for the Helmholtz force density in a dielectric fluid using a microscopic model are extended to the magnetic case The limitations of tins force density ...
  • Minimum energy 2D patterns of atoms adsorbed on a hexagonal lattice
    Arce, H; Mochan, WL; Gutierrez, JJ (1996)
    We obtain the lowest energy 2D arrangements of atoms adsorbed on a hexagonal lattice, assuming rational coverage and a repulsive dipolar adsorbate-adsorbate interaction. To this end we exhaustively explore the ordered ...

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