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Kondo effect and non-Fermi liquid behavior in Dirac and Weyl semimetals
Alessandro Principi, Giovanni Vignale, Enrico Rossi
We study the Kondo effect in three-dimensional (3D) Dirac materials and Weyl semimetals. We find the scaling of the Kondo temperature with respect to the doping and the couplin…
Highly confined low-loss plasmons in graphene-boron nitride heterostructures
Achim Woessner, Mark B. Lundeberg, Yuanda Gao +10
Graphene plasmons were predicted to possess ultra-strong field confinement and very low damping at the same time, enabling new classes of devices for deep subwavelength metamateria…
Plasmon losses due to electron-phonon scattering: the case of graphene encapsulated in hexagonal Boron Nitride
Alessandro Principi, Matteo Carrega, Mark Lundeberg +4
Graphene sheets encapsulated between hexagonal Boron Nitride (hBN) slabs display superb electronic properties due to very limited scattering from extrinsic disorder sources such as…
Luttinger-field approach to thermoelectric transport in nanoscale conductors
F. G. Eich, A. Principi, M. Di Ventra +1
Thermoelectric transport in nanoscale conductors is analyzed in terms of the response of the system to a thermo-mechanical field, first introduced by Luttinger, which couples to th…
Violation of the Wiedemann-Franz law in clean graphene layers
A. Principi, G. Vignale
The Wiedemann-Franz law, connecting the electronic thermal conductivity to the electrical conductivity of a disordered metal, is generally found to be well satisfied even when elec…
Revealing the electronic band structure of trilayer graphene on SiC: An angle-resolved photoemission study
Camilla Coletti, Stiven Forti, Alessandro Principi +10
In recent times, trilayer graphene has attracted wide attention owing to its stacking and electric field dependent electronic properties. However, a direct and well-resolved experi…