Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
An example of four nuclei exhibiting random Brownian motion through local magnetic field gradients manifested from the presence of spherical perturbers of susceptibility χ in an external magnetic field. This illustrates the local field shifts experienced by a diffusing nucleus through the superposition of dipole fields.
