Anisotropic contribution to the van der Waals and the Casimir-Polder energies for CO${}_2$ and CH${}_4$ molecules near surfaces and thin films

Abstract

In order to understand why carbon dioxide (CO${}_2$) and methane (CH${}_4$) molecules interact differently with surfaces, we investigate the Casimir-Polder energy of a linearly polarizable CO${}_2$ molecule and an isotropically polarizable CH${}_4$ molecule in front of an atomically thin gold film and an amorphous silica slab. We quantitatively analyze how the anisotropy in the polarizability of the molecule influences the van der Waals contribution to the binding energy of the molecule.

References in corpus (7)

• Current status of the Dynamical Casimir Effect
• Effect of the Casimir-Polder force on the collective oscillations of a trapped Bose-Einstein condensate
• Casimir effects in atomic, molecular, and optical physics
• Casimir--Polder force between anisotropic nanoparticles and gently curved surfaces
• Casimir Force between Atomically Thin Gold Films
• Casimir Friction Between Polarizable Particle and Half-Space with Radiation Damping and Image Damping at Zero Temperature
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Cited by in corpus (12)

• Effective Polarisability Models
• Atom-surface physics: A review
• Casimir-Polder force and torque for anisotropic molecules close to conducting planes and their effects on CO${}_2$
• Linear probing of molecules at micrometric distances from a surface with sub-Doppler frequency resolution
• Casimir-Polder energy for axially symmetric systems
• Spontaneous emission in anisotropic dielectrics
• The low-temperature expansion of the Casimir-Polder free energy of an atom with graphene
• Peak, valley and intermediate regimes in the lateral van der Waals force
• Sign inversion in the lateral van der Waals force
• Orientational dependence of the van der Waals interactions for finite-sized particles
• Probing molecules in gas cells of subwavelength thickness with high frequency resolution
• Regimes of the lateral van der Waals force in the presence of dielectrics