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Skyrmion in a real magnetic film
(American Physical Society, 1998)
Skyrmions are magnetic defects in ultrathin magnetic films, similar to the bubble domains in the thicker films. Even weak uniaxial anisotropy determines their radii unambiguously. We derive equations of slow dynamics for ...
Side-Jump Effect in Paramagnetic Amorphous Metals
(American Physical Society, 1993)
A systematic study of the resistivity (rho), the Hall coefficients (R(H)), and the magnetic susceptibilities (chi) of the Zr-based paramagnetic amorphous alloys suggests a self-consistent explanation for the frequently ...
Second-order susceptibility from a tight-binding Hamiltonian
(American Physical Society, 1998)
Using a new formalism that modifies a tight-binding Hamiltonian to include interaction with a time-dependent electromagnetic field, we have obtained an analytical expression for the second-order susceptibility. This ...
Long-wavelength anomalous diffusion mode in the two-dimensional XY dipole magnet
(American Physical Society, 1997)
In a two-dimensional XY ferromagnet the dipole force induces a strong interaction between spin waves in the long-wavelength limit. The major effect of this interaction is the transformation of a propagating spin wave into ...
Time-dependent Ginzburg-Landau equations for mixed d- and s-wave superconductors
(American Physical Society, 1998)
wA set of coupled time-dependent Ginzburg-Landau equations (TDGL) for superconductors of mixed d- and s-wave symmetry are derived microscopically from the Gor'kov equations by using the analytical continuation technique. ...
Sign Change of Hall-Coefficients for Amorphous Ni0.80-Xcrxp0.20 Alloys
(American Physical Society, 1994)
The magnetic susceptibilities, resistivities, and Hall coefficients of amorphous Ni0.80-xCrxPo0.20 (0.00 less-than-or-equal-to x less-than-or-equal-to 0.40) alloys are reported. A sip change with temperature of the Hall ...
Systematics of Pure and Doped He-4 Clusters
(American Physical Society, 1995)
Optimized variational calculations have been carried out for pure and doped clusters of He-4 atoms up to a cluster size of N=1000 particles. For small cluster sizes with less than or equal to 112 particles, where comparisons ...
Internal Image Potential in Semiconductors - Effect on Scanning-Tunneling-Microscopy
(American Physical Society, 1993)
The tunneling of electrons from a semiconductor surface to a metal tip, across a vacuum gap, is influenced by two image interactions: an attractive image potential in the vacuum region, which lowers the apparent tunneling ...
Predicted giant magnetic moment on non-{n0m} surfaces of d-wave superconductors
(American Physical Society, 1999)
It has been noted that the sizable areal density of midgap states which must exist on any non-{n0m} surface of a d-wave superconductor can lead to a giant magnetic moment. Here we show that this effect is observable, and ...
Improved Finite-Element Method for Solute Transport
(1995-02)
Five major modifications to the Galerkin finite-element formulation for solute transport were made in this study: (1) A mixed formulation for the time-derivative term of the governing equation was developed by combining ...