Local Spectral Weight of a Luttinger Liquid: Effects from Edges and Impurities
Journal article, 2006

We calculate the finite-temperature local spectral weight (LSW) of a Luttinger liquid with an "open" (hard-wall) boundary. Close to the boundary the LSW exhibits characteristic oscillations indicative of spin-charge separation. The line shape of the LSW is also found to have a Fano-like asymmetry, a feature originating from the interplay between electron-electron interaction and scattering off the boundary. Our results can be used to predict how edges and impurities influence scanning tunneling microscopy (STM) of one-dimensional electron systems at low temperatures and voltage bias. Applications to STM on single-walled carbon nanotubes are discussed.

Author

Paata Kakashvili

Henrik Johannesson

University of Gothenburg

Sebastian Eggert

Physical Review B - Condensed Matter and Materials Physics

24699950 (ISSN) 24699969 (eISSN)

Vol. 74 085114-

Subject Categories

Physical Sciences

Condensed Matter Physics

DOI

10.1103/PhysRevB.74.085114

More information

Created

10/6/2017