Abstract
We consider the van der Waals interaction between two ground-state atoms, placed inside a cylindrical waveguide. It is shown that the interaction can be enhanced or suppressed by several orders of magnitudes. Even though the effect is most spectacular for an ideal perfectly reflecting wall, it survives when realistic properties of the wall materials are taken into account. Different types of the waveguide wall, including perfectly reflecting wall, walls made of gold and silicon, and Bragg-distributed wall are compared. It is shown in particular that the van der Waals interaction is inhibited by material absorption.
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Chinh, N.D. Strong enhancement and inhibition of the interatomic van der Waals interaction inside a cylindrical waveguide. Eur. Phys. J. D 74, 87 (2020). https://doi.org/10.1140/epjd/e2020-10024-9
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DOI: https://doi.org/10.1140/epjd/e2020-10024-9