360 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of MinhoPT56 papers
- Universidade do PortoPT36 papers
- University of LisbonPT17 papers
- International Iberian Nanotechnology LaboratoryPT14 papers
- Instituto Superior TécnicoPT13 papers
- QuantaLabPT11 papers
- Centre National de la Recherche ScientifiqueFR10 papers
- Columbia UniversityUS10 papers
- Institució Catalana de Recerca i Estudis AvançatsES10 papers
- University of AveiroPT10 papers
- Beijing Computational Science Research CenterCN9 papers
- Institut des Hautes Études ScientifiquesFR9 papers
13 papers · 1 filter
Transmission across a bilayer graphene region
Hadi Z. Olyaei, Pedro Ribeiro, Eduardo V. Castro
The transmission across a graphene bilayer region is calculated for two different types of connections to monolayer leads. A transfer matrix algorithm based on a tight binding mode…
Optical orientation with linearly polarized light in transition metal dichalcogenides
G. Catarina, J. Have, J. Fernández-Rossier +1
We study the optical properties of semiconducting transition metal dichalcogenide monolayers under the influence of strong out-of-plane magnetic fields, using the effective massive…
Slow sound in matter-wave dark soliton gases
Muzzamal I. Shaukat, Eduardo V. Castro, Hugo Terças
We demonstrate the possibility of drastically reducing the velocity of phonons in quasi one-dimensional Bose-Einstein condensates. Our scheme consists of a dilute dark-soliton "gas…
Basis-Independent Spectral Methods for Non-linear Optical Response in Arbitrary Tight-binding Models
S. M. João, J. M. V. P. Lopes
In this paper, we developed a basis-independent perturbative method for calculating the non-linear optical response of arbitrary non-interacting tight-binding models. Our method is…
Dirac points merging and wandering in a model Chern insulator
Miguel Gonçalves, Pedro Ribeiro, Eduardo V. Castro
We present a model for a Chern insulator on the square lattice with complex first and second neighbor hoppings and a sublattice potential which displays an unexpectedly rich physic…
Temperature-driven gapless topological insulator
Miguel Gonçalves, Pedro Ribeiro, Rubem Mondaini +1
We investigate the phase diagram of the Haldane-Falicov-Kimball model -- a model combining topology, interactions and spontaneous disorder at finite temperatures. Using an unbiased…
Excitons in hexagonal boron nitride single-layer: a new platform for polaritonics in the ultraviolet
F. Ferreira, A. J. Chaves, N. M. R. Peres +1
The electronic and optical properties of 2D hexagonal boron nitride are studied using first principle calculations. GW and BSE methods are employed in order to predict with better…
Spectral Functions of One-Dimensional Systems with Correlated Disorder
N. A. Khan, J. M. Viana Parente Lopes, J. P. Santos Pires +1
We investigate the spectral function of Bloch states in an one-dimensional tight-binding non-interacting chain with two different models of static correlated disorder, at zero temp…
Probing the Ultimate Plasmon Confinement Limits with a Van der Waals heterostructure
David Alcaraz Iranzo, Sebastien Nanot, Eduardo J. C. Dias +11
The ability to confine light into tiny spatial dimensions is important for applications such as microscopy, sensing and nanoscale lasers. While plasmons offer an appealing avenue t…
Symmetry Breaking and Lattice Kirigami
Eduardo V. Castro, Antonino Flachi, Pedro Ribeiro +1
In this work we consider an interacting quantum field theory on a curved two-dimensional manifold that we construct by geometrically deforming a flat hexagonal lattice by the inser…
A structural test for the conformal invariance of the critical 3d Ising model
Simao Meneses, Joao Penedones, Slava Rychkov +2
How can a renormalization group fixed point be scale invariant without being conformal? Polchinski (1988) showed that this may happen if the theory contains a virial current -- a n…
Entanglement sudden death and revival in quantum dark-soliton qubits
Muzzamal I. Shaukat, Eduardo. V. Castro, Hugo Terças
We study the finite time entanglement dynamics between two dark soliton qubits due to quantum fluctuations in a quasi one dimensional Bose-Einstein condensates. Recently, dark soli…
Spontaneous generation of phononic entanglement in quantum dark-soliton qubits
Muzzamal I. Shaukat, Eduardo. V. Castro, Hugo Terças
We show that entanglement between two solitary qubits in quasi-one-dimensional Bose-Einstein condensates can be spontaneously generated due to quantum fluctuations. Recently we hav…