Named after Dutch physicist Johannes Diderik van der Waals, the van der Waals force plays a fundamental role in fields as diverse as supramolecular chemistry, structural biology, polymer science, nanotechnology, surface science, and condensed matter physics.

Apr 18, 2024 · Van der Waals forces are weak intermolecular forces that arise from either the temporary or permanent dipoles in molecules. These forces include London dispersion forces, dipole-dipole interactions, and ion-dipole forces, with London dispersion being the weakest .

Jan 3, 2025 · van der Waals forces, relatively weak electric forces that attract neutral molecules to one another in gases, in liquefied and solidified gases, and in almost all organic liquids and solids.

The interaction between two neutral but polarizable systems at separation R, usually called the van der Waals force, is discussed from different points of view. The change in character from 1/R6 to. 1/R7 due to retardation is explained. 2001 American Association of Physics Teachers. DOI: 10.1119/1.1341251.

May 29, 2024 · Learn about Van der Waals forces, the intermolecular attractions critical to chemistry and physics, named after Johannes Diderik van der Waals, detailing their types and mechanisms.

Van der Waals forces include London dispersion forces (discussed below), dipole-dipole forces, and ion-dipole. The strongest force of these is ion-dipole followed by dipole-dipole. London dispersion forces are the weakest force. All molecules experience London dispersion forces.

Our interest here is in understanding the van der Waals long-range attractive force between electrically neutral atoms and molecules in quantum mechanical terms. We begin with the simplest possible example, two hydrogen atoms, both in the ground state:

Mar 8, 2017 · Here, we explore the conceptual and mathematical ingredients required for an exact treatment of vdW interactions, and present a systematic and unified framework for classifying the current first-principles vdW methods based on the adiabatic-connection fluctuation–dissipation (ACFD) theorem (namely the Rutgers–Chalmers vdW-DF, Vydrov–Van Voorhis ...

Oct 1, 2023 · In this paper, we have proposed a model to calculate the van der Waals force between the particle and the spherical particle separately to account for the contributions from all the asperities underneath the adhering particle.

Jun 27, 2013 · On the basis of the fractal theory describing the behavior of multiple roughness scales and the Gaussian roughness distribution, a set of mathematical models for the van der Waals force and capillary force is proposed.