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- Casimir-Polder force and torque for anisotropic molecules close to conducting planes and their effects on CO$_2$ doi link

Auteur(s): Antezza M., Fialkovsky Ignat, Khusnutdinov Nail

(Article) Publié: -Phys.rev.b, vol. 102 p.195422 (2020)
Texte intégral en Openaccess : arxiv


Ref HAL: hal-02973233_v1
Ref Arxiv: 2009.14769
Ref INSPIRE: 1820612
DOI: 10.1103/PhysRevB.102.195422
Ref. & Cit.: NASA ADS
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Résumé:

We derive the Casimir-Polder force and Casimir torque expressions for an anisotropic molecule close to a conducting plane with a tensorial conductivity. We apply our general expressions to the case of a carbon dioxide CO2 molecule close to a plane with pure Hall conductivity and to graphene. We show that the equilibrium position of this linear molecule is with its main axis perpendicular to the surface. We hence conjecture a possible way to exploit the Casimir torque to mechanically improve the performance of CO2 separation membranes useful for an efficient atmospheric CO2 reduction.