69 citations · 354 across the 25 of their papers we have counts for
5 papers · 1 filter
Two-dimensional Yukawa interaction driven by a nonlocal-Proca quantum electrodynamics
Van Sérgio Alves, Tommaso Macrì, Gabriel C. Magalhães +2
We derive two versions of an effective model to describe dynamical effects of the Yukawa interaction among Dirac electrons in the plane. Such short-range interaction is obtained by…
Quantum-electrodynamical approach to the exciton spectrum in Transition-Metal Dichalcogenides
E. C. Marino, Leandro O. Nascimento, Van Sérgio Alves +2
Manipulation of intrinsic electron degrees of freedom, such as charge and spin, gives rise to electronics and spintronics, respectively. Electrons in monolayer materials with a hon…
Dynamical Mass Generation in Pseudo Quantum Electrodynamics with Four-Fermion Interactions
Van Sérgio Alves, Reginaldo O. C. Junior, E. C. Marino +1
We describe dynamical symmetry breaking in a system of massless Dirac fermions with both electromagnetic and four-fermion interactions in (2+1) dimensions. The former is described…
Emerging Quantum Hall Effect in Massive Dirac Systems
Leandro O. Nascimento, E. C. Marino, Van Sérgio Alves +1
An interaction-driven nonzero quantum Hall conductivity is shown to occur in time-reversal symmetric massive Dirac materials, in the absence of any external agent. The effect is pr…
Introduction to Topological Phases and Electronic Interactions in (2+1) Dimensions
Leandro O. Nascimento
A brief introduction to topological phases is provided, considering several two-band Hamiltonians in one- and two-dimensions. Relevant concepts of the topological insulator theory,…