| Grant number: | 15/26655-9 |
| Support type: | Scholarships in Brazil - Doctorate |
| Effective date (Start): | June 01, 2016 |
| Effective date (End): | May 31, 2021 |
| Field of knowledge: | Physical Sciences and Mathematics - Physics - Condensed Matter Physics |
| Principal researcher: | Luiz Nunes de Oliveira |
| Grantee: | Luiz Henrique Bugatti Guessi |
| Home Institution: | Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil |
| Associated scholarship(s): | 18/10582-0 - Non-equilibrium phenomena in two-channel Kondo problem, BE.EP.DR |
Abstract We will study the formation of bound states in the continuum (BICs) in graphene-adatom systems. Preliminary results obtained by the student and collaborators have identified such bound states in a special configuration, consisting of two adatoms symmetrically positioned with respect to a graphene sheet, one of them directly above and the other directly below the center of a carbon hexagon. For two adatoms positioned directly above and below a carbon atom, additional workby the student and his coworkers has identified a quantum phase transition. Motivated by the success of these preliminary studies, we plan to further investigate the properties of the system on the basis of a Density-Functional study complemented by numerical renormalization-group computations. We expect the project to yield deeper understanding of the physics of adsorption and of the formation of BICs. (AU) | |
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