149 citations · 1.1k across the 27 of their papers we have counts for
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Spin and electronic correlations in gated graphene quantum rings
P. Potasz, A. D. Güçlü, P. Hawrylak
We present a theory of graphene quantum rings designed to produce degenerate shells of single particle states close to the Fermi level. We show that populating these shells with ca…
Zero-energy states in triangular and trapezoidal graphene structures
P. Potasz, A. D. Güçlü, P. Hawrylak
We derive analytical solutions for the zero-energy states of degenerate shell obtained as a singular eigenevalue problem found in tight-binding (TB) Hamiltonian of triangular graph…
Electronic shells of Dirac fermions in graphene quantum rings in a magnetic field
P. Potasz, A. D. Guclu, P. Hawrylak
We present results of tight binding calculations demonstrating existence of degenerate electronic shells of Dirac Fermions in narrow, charge neutral graphene quantum rings. We pred…
Magnetism and correlations in fractionally filled degenerate shells of graphene quantum dots
A. D. Guclu, P. Potasz, O. Voznyy +2
When an electron is confined to a triangular atomic thick layer of graphene [1-5] with zig-zag edges, its energy spectrum collapses to a shell of degenerate states at the Fermi lev…