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Quantum phase transition between orbital-selective Mott states in Hund's metals
Julian Rincon, Adriana Moreo, Gonzalo Alvarez +1
We report a quantum phase transition between orbital-selective Mott states, with different localized orbitals, in a Hund's metals model. Using the density matrix renormalization gr…
BaFeSe: a high magnetic multiferroic with large ferrielectric polarization
Shuai Dong, J. -M. Liu, Elbio Dagotto
The iron-selenides are important because of their superconducting properties. Here, an unexpected phenomenon is predicted to occur in an iron-selenide compound with a quasi-one-dim…
Orbital occupancy and charge doping in iron-based superconductors
Claudia Cantoni, Jonathan E. Mitchell, Andrew F. May +9
Iron-based superconductors (FBS) comprise several families of compounds having the same atomic building blocks for superconductivity, but large discrepancies among their physical p…
Testing the Monte Carlo - Mean Field approximation in the one-band Hubbard model
Anamitra Mukherjee, Niravkumar D. Patel, Shuai Dong +3
The canonical one-band Hubbard model is studied using a computational method that mixes the Monte Carlo procedure with the mean field approximation. This technique allows us to inc…
Competition between covalent bonding and charge transfer at complex-oxide interfaces
Juan Salafranca, Julian Rincon, Javier Tornos +5
Here we study the electronic properties of cuprate/manganite interfaces. By means of atomic resolution electron microscopy and spectroscopy, we produce a subnanometer scale map of…
Photoexcitation of electronic instabilities in one-dimensional charge-transfer systems
Julian Rincon, K. A. Al-Hassanieh, Adrian E. Feiguin +1
We investigate the real-time dynamics of photoexcited electronic instabilities in a charge-transfer system model, using the time-dependent density matrix renormalization group meth…