The possibilities of critical temperature (T/sub c/) increasing in nanotubes with the properties of quantum wires

The theoretical possibility of superconducting critical temperature-T/sub c/ increasing by means of Fermi-energy level (FEL) variation in quantum wires (QWR) is considered. The result my be realized by coincidence of FEL with one of the quantum energy level (QEL) in QWR, which, in turn, possible to get in carbon nanotubes. One can get the variation of FEL by way of electrical field changing in nanotube and geometry size variation of nanotube. There are some technological ways of FEL and QEL coincidence are discussed.