Issue
EPL
Volume 87, Number 3, August 2009
Article Number 30002
Number of page(s) 5
Section General
DOI http://dx.doi.org/10.1209/0295-5075/87/30002
Published online 25 August 2009
EPL, 87 (2009) 30002
DOI: 10.1209/0295-5075/87/30002

Holonomic quantum computation associated with a defect structure of conical graphene

K. Bakke, C. Furtado and S. Sergeenkov

Departamento de Física, Universidade Federal da Paraíba - Caixa Postal 5008, 58051-970, João Pessoa, PB, Brazil

furtado@fisica.ufpb.br

received 17 March 2009; accepted in final form 22 July 2009; published August 2009
published online 25 August 2009

Abstract
A possibility of holonomic quantum computation based on the defect-mediated properties of graphite cones is discussed. Using a geometric description for the conical graphene, we demonstrate how one can construct the most important one-qubit quantum gates without invoking the adiabatic approximation. The control parameter which defines a particular qubit configuration is directly linked with the number of removed sectors in the graphene layer needed to create a particular conical configuration.

PACS
03.67.Lx - Quantum computation architectures and implementations.
73.22.-f - Electronic structure of nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals.

© EPLA 2009