Hydrodynamics of electrons in graphene
Generic interacting many-body quantum systems are believed to behave as classical fluids
on long time and length scales. Due to rapid progress in growing exceptionally pure crystals …
on long time and length scales. Due to rapid progress in growing exceptionally pure crystals …
Nonlinear optics in graphene: theoretical background and recent advances
We present a comprehensive review of the optical response of graphene, in both the linear
and nonlinear regime. This will serve as a reference for both beginners and more …
and nonlinear regime. This will serve as a reference for both beginners and more …
Theory of graphene saturable absorption
Saturable absorption is a nonperturbative nonlinear optical phenomenon that plays a pivotal
role in the generation of ultrafast light pulses. Here we show that this effect emerges in …
role in the generation of ultrafast light pulses. Here we show that this effect emerges in …
Extended Hubbard model in undoped and doped monolayer and bilayer graphene: Selection rules and organizing principle among competing orders
Performing a leading-order renormalization group analysis, here we compute the effects of
generic local or short-range electronic interactions in monolayer and the Bernal bilayer …
generic local or short-range electronic interactions in monolayer and the Bernal bilayer …
Coulomb instabilities of a three-dimensional higher-order topological insulator
Topological insulators (TIs) are an exciting discovery because of their robustness against
disorder and interactions. Recently, second-order TIs have been attracting increasing …
disorder and interactions. Recently, second-order TIs have been attracting increasing …
Landau level spectroscopy of electron-electron interactions in graphene
We present magneto-Raman scattering studies of electronic inter-Landau level excitations in
quasineutral graphene samples with different strengths of Coulomb interaction. The band …
quasineutral graphene samples with different strengths of Coulomb interaction. The band …
Artificial graphene: Unconventional superconductivity in a honeycomb superlattice
Artificial lattices have served as a platform to study the physics of unconventional
superconductivity. We study semiconductor artificial graphene—a honeycomb superlattice …
superconductivity. We study semiconductor artificial graphene—a honeycomb superlattice …
Bielectron vortices in two-dimensional Dirac semimetals
Searching for new states of matter and unusual quasi-particles in emerging materials and
especially low-dimensional systems is one of the major trends in contemporary condensed …
especially low-dimensional systems is one of the major trends in contemporary condensed …
Many-body effects and ultraviolet renormalization in three-dimensional Dirac materials
We develop a theory for electron-electron interaction-induced many-body effects in three-
dimensional Weyl or Dirac semimetals, including interaction corrections to the polarizability …
dimensional Weyl or Dirac semimetals, including interaction corrections to the polarizability …
Time-dependent pair creation and the Schwinger mechanism in graphene
The momentum spectrum of positively and negatively charged carriers created in intrinsic
graphene submitted to a time-dependent external electric field is evaluated for many …
graphene submitted to a time-dependent external electric field is evaluated for many …