AI Article Synopsis
- The Casimir-Polder force is a significant long-range interaction that affects how molecules adsorb and desorb in fluids.
- This research investigates the interactions specifically between methane molecules in water and between a molecule in water close to SiO(2) and hexane surfaces.
- By factoring in the finite size of the molecules, the study estimates the dispersion contributions to the binding energies between molecules and between a molecule and a surface.
Article Abstract
The Casimir-Polder force is an important long-range interaction involved in adsorption and desorption of molecules in fluids. We explore Casimir-Polder interactions between methane molecules in water, and between a molecule in water near SiO(2) and hexane surfaces. Inclusion of the finite molecular size in the expression for the Casimir-Polder energy leads to estimates of the dispersion contribution to the binding energies between molecules and between one molecule and a planar surface.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1103/PhysRevE.90.032122 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Dispersion Interactions in Exciton-Localized States. Theory and Applications to π-π* and n-π* Excited States.
J Chem Theory Comput
June 2022
Institute of Physics, Lodz University of Technology, ul. Wolczanska 217/221, 93-005, Lodz, Poland.
We address the problem of intermolecular interaction energy calculations in molecular complexes with localized excitons. Our focus is on the correct representation of the dispersion energy. We derive an extended Casimir-Polder formula for direct computation of this contribution through second order in the intermolecular interaction operator .
View Article and Find Full Text PDFLong-range dispersion C coefficient for SF dimer: Experimental and theoretical study.
J Chem Phys
September 2018
Quantum Theory Project, University of Florida, Gainesville, Florida 32611, USA.
The long-range dispersion C coefficient for the SF dimer is experimentally measured using a technique that uses the expansion of a supersonic pulse jet into a vacuum. A dynamic model of the jet enables us to correlate the position of the maximal peak in the time-of-flight spectrum with the initial conditions of the experiment and the parameters of the intermolecular interaction potential. Due to the low temperature of the jet target, the C coefficient can be extracted directly from the experimental results.
View Article and Find Full Text PDFIntermolecular Casimir-Polder forces in water and near surfaces.
Phys Rev E Stat Nonlin Soft Matter Phys
September 2014
Department of Materials Science and Engineering, Royal Institute of Technology, SE-100 44 Stockholm, Sweden and Centre for Materials Science and Nanotechnology, University of Oslo, P.O. Box 1048 Blindern, NO-0316 Oslo, Norway and Department of Energy and Process Engineering, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway.
Article Synopsis
- The Casimir-Polder force is a significant long-range interaction that affects how molecules adsorb and desorb in fluids.
- This research investigates the interactions specifically between methane molecules in water and between a molecule in water close to SiO(2) and hexane surfaces.
- By factoring in the finite size of the molecules, the study estimates the dispersion contributions to the binding energies between molecules and between a molecule and a surface.
Measured long-range repulsive Casimir-Lifshitz forces.
Nature
January 2009
Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
Quantum fluctuations create intermolecular forces that pervade macroscopic bodies. At molecular separations of a few nanometres or less, these interactions are the familiar van der Waals forces. However, as recognized in the theories of Casimir, Polder and Lifshitz, at larger distances and between macroscopic condensed media they reveal retardation effects associated with the finite speed of light.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!