Source: wikibot/frame-fields-in-general-relativity
= Frame fields in general relativity
{wiki=Frame_fields_in_general_relativity}
In general relativity, the concept of "frame fields" (also known as "tetrads" or "vierbeins" in the context of a four-dimensional spacetime) refers to a set of basis vectors that can be used to describe the geometry and physical fields on a manifold.