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Inhomogeneous charge textures stabilized by electron-phonon interactions in the t-J model
Jose Riera, Adriana Moreo
We study the effect of diagonal and off-diagonal electron-phonon coupling in the ground state properties of the t-J model. Adiabatic and quantum phonons are considered using Lanczo…
Study of the One- and Two-Band Models for Colossal Magnetoresistive Manganites Using the Truncated Polynomial Expansion Method
C. Sen, G. Alvarez, Y. Motome +5
Considerable progress has been recently made in the theoretical understanding of the colossal magnetoresistance (CMR) effect in manganites. The analysis of simple models with two c…
Transport properties of strongly correlated electrons in quantum dots using a simple circuit model
G. B. Martins, C. A. Busser, K. A. Al-Hassanieh +3
Numerical calculations are shown to reproduce the main results of recent experiments involving nonlocal spin control in nanostructures (N. J. Craig et al., Science 304, 565 (2004))…
The One-Particle Spectral Function and the Local Density of States in a Phenomenological Mixed-Phase Model for High-Temperature Superconductors
M. Mayr, A. Gonzalez, A. Moreo +1
The dynamical properties of a recently introduced phenomenological model for high temperature superconductors are investigated. In the clean limit, it was observed that none of the…
Effect of Adiabatic Phonons on Striped and Homogeneous Ground States
Yucel Yildirim, Adriana Moreo
The effects of adiabatic phonons on a spin-fermion model for high T_c cuprates are studied using numerical simulations. In the absence of electron-phonon interactions (EPI), stripe…