G. Vignale

Publications395
h-index43
Citations8,260
Highly Influential Citations216
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Quantum Theory of the Electron Liquid
Modern electronic devices and novel materials often derive their extraordinary properties from the intriguing, complex behavior of large numbers of electrons forming what is known as an electron…
Electronic density functional theory : recent progress and new directions
Introductory Material: Brief Introduction to Density Functional Theory J.F. Dobson, M.P. Das. Digging Into the Exchange-Correlation Energy: The Exchange-Correlation Hole K. Burke. Invited Chapters on…
Highly confined low-loss plasmons in graphene-boron nitride heterostructures.
TLDR
This Article exploits near-field microscopy to image propagating plasmons in high-quality graphene encapsulated between two films of hexagonal boron nitride (h-BN), and finds unprecedentedly low plasmon damping combined with strong field confinement and confirms the high uniformity of this plAsmonic medium.
Ten Years of Spin Hall Effect
In this short review I survey the theory of the spin Hall effect in doped semiconductors and metals in the light of recent experiments on both kinds of materials. After a brief introduction to…
Electronic Density Functional Theory
TIME-DEPENDENT DENSITY FUNCTIONAL THEORY BEYOND THE ADIABATIC LOCAL DENSITY APPROXIMATION
In the current density functional theory of linear and nonlinear time-dependent phenomena, the treatment of exchange and correlation beyond the level of the adiabatic local density approximation is…
Theory of spin Coulomb drag in spin-polarized transport
We introduce a distinctive feature of spin-polarized transport, the spin Coulomb drag: there is an intrinsic source of friction for spin currents due to the Coulomb interaction between spin ``up''…
Drude weight, plasmon dispersion, and a.c. conductivity in doped graphene sheets
We demonstrate that the plasmon frequency and Drude weight of the electron liquid in a doped graphene sheet are strongly renormalized by electron-electron interactions even in the long-wavelength…
Spin currents and spin dynamics in time-dependent density-functional theory.
TLDR
The equation of motion for the spin degrees of freedom within time-dependent spin-density-functional theory (TD-SDFT) is derived and a prescription for obtaining many-body corrections to the single-particle spin currents from the Kohn-Sham equation is obtained.
Electric control of spin currents and spin-wave logic.
Spin waves in insulating magnets are ideal carriers for spin currents with low energy dissipation. An electric field can modify the dispersion of spin waves, by directly affecting, via spin-orbit…
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