Electron-electron interaction in a graphene quantum billiard
What is it about?
We investigated by scanning tunneling microscopy (STM) and spectroscopy (STS) a graphene quantum dot with lateral size of 15 nm. The measured density of state values and the experimentally observed topography patterns are explained by taking into account the Coulomb interaction between the electrons of this quantum billiard. The theoretical analysis of the level-spacing distribution substantiates the experimental findings.
Why is it important?
We also reveal by theoretical calculations the magnetic properties of the investigated system, which should be relevant in future graphene based electronic and spintronic applications.
The following have contributed to this page: Dr. Zoltán Osváth