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Electronic shells of Dirac fermions in graphene quantum rings in a magnetic field by Potasz, P.; Guclu, A. D.; Hawrylak, P. is a scholarly article available to read on EtoBox.

What is Electronic shells of Dirac fermions in graphene quantum rings in a magnetic field about?

We present results of tight binding calculations demonstrating existence of degenerate electronic shells of Dirac Fermions in narrow, charge neutral graphene quantum rings. We predict removal of degeneracy with finite magnetic field. We show, using a combination of tight binding and configuration interaction methods, that by filling a graphene ring with additional electrons this carbon based structure with half-filled shell acquires a finite magnetic moment.

Author

Potasz, P.; Guclu, A. D.; Hawrylak, P.

Published

2009

Language

EN