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Magnetoelectric coupling at the interface of BiFeO3/La0.7Sr0.3MnO3 multilayers
M. J. Calderon, S. Liang, R. Yu +6
Electric-field controlled exchange bias in a heterostructure composed of the ferromagnetic manganite La0.7Sr0.3MO3 and the ferroelectric antiferromagnetic BiFeO3 has recently been…
Non-equilibrium electronic transport in a one-dimensional Mott insulator
F. Heidrich-Meisner, I. Gonzalez, K. A. Al-Hassanieh +3
We calculate the non-equilibrium electronic transport properties of a one-dimensional interacting chain at half filling, coupled to non-interacting leads. The interacting chain is…
Unveiling First Order CMR Transitions in the Two-Orbital Model for Manganites
Cengiz Şen, Gonzalo Alvarez, Elbio Dagotto
Large scale Monte Carlo simulation results for the two-orbital model for manganites, including Jahn-Teller lattice distortions, are here presented. At hole density x=1/4 and in the…
Neutron and ARPES Constraints on the Couplings of the Multiorbital Hubbard Model for the Pnictides
Qinlong Luo, George Martins, Dao-Xin Yao +4
The results of neutron scattering and angle-resolved photoemission experiments for the Fe-pnictide parent compounds, and their metallic nature, are shown to impose severe constrain…
Orbital-weight redistribution triggered by spin order in the pnictides
Maria Daghofer, Qinlong Luo, Rong Yu +3
The one-particle spectral function and its orbital composition are investigated in a three-orbital model for the undoped parent compounds of the iron-based superconductors. In the…
Conducting Jahn-Teller Domain Walls in Undoped Manganites
Juan Salafranca, Rong Yu, Elbio Dagotto
We investigate the electronic properties of multi-domain configurations in models for undoped manganites by means of variational and Monte Carlo techniques. These materials display…
Highly anisotropic resistivities in the double-exchange model for strained manganites
Shuai Dong, Seiji Yunoki, Xiaotian Zhang +3
The highly anisotropic resistivities in strained manganites are theoretically studied using the two-orbital double-exchange model. At the nanoscale, the anisotropic double-exchange…
Constraints Imposed by Symmetry on Pairing Operators for the Pnictides
Xiaoyu Wang, Maria Daghofer, Andrew Nicholson +3
Considering model Hamiltonians that respect the symmetry properties of the pnictides, it is argued that pairing interactions that couple electrons at different orbitals with an orb…