Controlling the atom-sphere interaction with an external electric field
P. P. Abrantes,
V. Pessanha,
Reinaldo de Melo e Souza
et al.
Abstract:We investigate the system constituted by a polarizable atom near a nanosphere under the influence of an external electrostatic field, showing that the attractive dispersive force between them can be overcome by the electrostatic interaction. Therefore, in addition to the advantageous possibility of actively tuning the resultant force with an external agent without the requirement of physical contact, this force may also become repulsive. We analyze this situation in different physical regimes of distance and e… Show more
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