Cooling of nanomechanical vibrations by Andreev injection
O. M. Bahrova,
S. I. Kulinich,
L. Y. Gorelik
et al.
Abstract:A nanoelectromechanical weak link composed of a carbon nanotube suspended between two normal electrodes in a gap between two superconducting leads is considered. The nanotube is treated as a movable single-level quantum dot in which the position-dependent superconducting order parameter is induced due to the Cooper pair tunneling. We show that electron tunneling processes significantly affect the state of the mechanical subsystem. We found that at a given direction of the applied voltage between the electrodes… Show more
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