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171 papers · 1 filter
Electrostatics and domains in ferroelectric superlattices
Daniel Bennett, Maitane Muñoz-Basagoiti, Emilio Artacho
The electrostatics arising in ferroelectric/dielectric two-dimensional heterostructures and superlatitices is revisited here within a simplest Kittel model, in order to define a cl…
An efficient method for strongly correlated electrons in one dimension
Ion Mitxelena, Mario Piris
The one-particle reduced density matrix functional theory in its natural orbital functional (NOF) version is used to study strongly correlated electrons. We show the ability of the…
Topological RVB quantum spin liquid on the ruby lattice
Saeed S. Jahromi, Roman Orus
We construct a short-range resonating valence-bond state (RVB) on the ruby lattice, using projected entangled-pair states (PEPS) with bond dimension . By introducing non-local…
Tutorial: Computing topological invariants in two-dimensional photonic crystals
María Blanco de Paz, Chiara Devescovi, Geza Giedke +5
The field of topological photonics emerged as one of the most promising areas for applications in transformative technologies: possible applications are in topological lasers or qu…
Wigner Crystals in Two-Dimensional Transition-Metal Dichalcogenides: Spin Physics and Readout
Johannes Knörzer, Martin J. A. Schuetz, Geza Giedke +5
Wigner crystals are prime candidates for the realization of regular electron lattices under minimal requirements on external control and electronics. However, several technical cha…
Spin- kagome Heisenberg antiferromagnet with strong breathing anisotropy
Saeed S. Jahromi, Roman Orus, Didier Poilblanc +1
We study the zero-temperature phase diagram of the spin- Heisenberg model with breathing anisotropy (i.e., with different coupling strength on the upward and downward…