title: Magnetic response of single-walled carbon nanotubes induced by an external magnetic field.
abstract: Using first-principles density functional calculations, magnetically induced currents are obtained for zigzag single-walled carbon nanotubes. Clear differences and trends in current flow are observed between the different nanotube families. In particular, for a magnetic field applied along the tube axis, the current response of the λ = 0 infinite nanotubes is paramagnetic, whereas for λ = 1 and 2 nanotubes, the response is diamagnetic. The results are used to predict and interpret the significant changes in NMR properties for small molecules encapsulated inside a tube.
authors.affiliation: TCM Group, Cavendish Laboratory, University of Cambridge, Cambridge, CB3 0HE, United Kingdom. mk531@cam.ac.uk
authors.forename: Mikhail
authors.initials: M
authors.lastname: Kibalchenko
authors.forename: Mike C
authors.initials: MC
authors.lastname: Payne
authors.forename: Jonathan R
authors.initials: JR
authors.lastname: Yates