Atomic, Molecular, and Optical Physics Seminar

Harvard-Smithsonian Center for Astrophysics

Dr. Brian E. Granger
Harvard-Smithsonian Center for Astrophysics

Quantized electronic states have been observed above the surface of planar and spherical conductors. They are formed in the attractive ``image'' potential that occurs between the electron and the conductor. Unfortunately, the lifetimes of these states are short (a few ps) as the electrons decay quickly into the bulk of the conductor. In this talk I will describe how long lived, Rydberg-like electronic states can be formed around cylindrically shaped metallic nanotubes, such as carbon nanotubes. These states have many properties that are similar to those of atomic Rydberg states, including long lifetimes and large spatial extents. After describing their basic properties I will talk about possible routes for the formation and decay of these states.

Monday, October 21, 2002
4:00PM
Gant Science Complex
Physics Department
Room P121


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