4 papers
Accurate modeling of FeSe with screened Fock exchange and Hund's metal correlations
Tommaso Gorni, Pablo Villar Arribi, Michele Casula +1
We reproduce the electronic properties of FeSe in the high-temperature phase within an ab initio framework that includes screened Fock exchange and local dynamical correlations. We…
Strong Superexchange in a Nickelate Revealed by Resonant Inelastic X-Ray Scattering
J. Q. Lin, P. Villar Arribi, G. Fabbris +20
The discovery of superconductivity in a nickelate has inspired disparate theoretical perspectives regarding the essential physics of this class of materials. A key issue…
Topological surface states in strained Dirac semimetal thin films
Pablo Villar Arribi, Jian-Xin Zhu, Timo Schumann +3
We computationally study the Fermi arc states in a Dirac semimetal, both in a semi-infinite slab and in the thin-film limit. We use CdA as a model system, and include pertu…
Hund-enhanced electronic compressibility in FeSe and its correlation with T
Pablo Villar Arribi, Luca de' Medici
We compute the compressibility of the conduction electrons in both bulk orthorhombic FeSe and monolayer FeSe on SrTiO substrate, including dynamical electronic correlations wit…