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32 papers · 1 filter
Spin in the Worldline Path Integral in 2+1 Dimensions
C. D. Fosco, J. Sanchez-Guillen, R. A. Vazquez
We construct a worldline path integral for the effective action and propagator of a Dirac field in 2+1 dimensions in an Abelian gauge field background. Integrating over an auxiliar…
Spin Hall effect in clean two dimensional electron gases with Rashba spin-orbit coupling
A. Reynoso, Gonzalo Usaj, C. A. Balseiro
We study the spin polarization induced by a current flow in clean two dimensional electron gases with Rashba spin-orbit coupling. This geometric effect originates from special prop…
Two-state behaviour of Kondo trimers
M. E. Torio, K. Hallberg, C. R. Proetto
The electronic properties and spectroscopic features of a magnetic trimer with a Kondo-like coupling to a non-magnetic metallic substrate are analyzed at zero temperature. The subs…
Quantum phase diagram of the generalized ionic Hubbard model for AB chains
M. E. Torio, A. A. Aligia, G. I. Japaridze +1
We investigate the ground-state phase diagram of the Hubbard model for the AB chain with filling 1/N, where is the number of atoms per unit cell. In the strong-coupling…
Diffusion and Home Range Parameters from Rodent Population Measurements in Panama
L. Giuggioli, G. Abramson, V. M. Kenkre +3
Simple random walk considerations are used to interpret rodent population data collected in Hantavirus-related investigations in Panama regarding the short-tailed cane mouse, \emph…
Theory of Hantavirus Infection Spread Incorporating Localized Adult and Itinerant Juvenile Mice
V. M. Kenkre, L. Giuggioli, G. Abramson +1
A generalized model of the spread of the Hantavirus in mice populations is presented on the basis of recent observational findings concerning the movement characteristics of the mi…