  The lattice specific heat of carbon nanotubes is evaluated within the
microscopic model proposed by Mahan and Jeon, published in the Physical Review
B, in 2004. Phonons are considered for a single wall carbon nanotube in the
armchair configuration. As expected, low temperature and high temperature
regions show different behavior of specific heat. Carbon nanotubes are also
displaying a very interesting lattice transport depending on the diameter, with
a rather high thermal conductivity for small diameters.
