Influence of Van Der Waals Interactions on the Raman Modes in Single Walled Carbon Nanotubes

Department of Physics & Astronomy, Clemson University, Clemson, SC 29634 Zyvex Corporation, Richardson, TX 75081 Department of Physics & Astronomy, University of Kentucky, Lexington, KY 40506 Max-Planck Institute for Solid State Research, 70569 Stuttgart, Germany Department of Physics, Pennsylvania State University, University Park PA 16802, Department of Chemistry, University of California, Riverside, CA 92521 Department of Physics, Oakland University, Rochester, MI 48309 Department of Physics, University of California, Berkeley, CA 94720 Department of Physics and Astronomy & Center for Fundamental Materials Research, Michigan State University, East Lansing, MI 48824