MacDowell-Mansouri action
Encyclopedia
The MacDowell–Mansouri action (named after S. W. MacDowell and Freydoon Mansouri) is a mathematical object (an action
) that is used to derive Einstein's field equations of general relativity
.
Action (physics)
In physics, action is an attribute of the dynamics of a physical system. It is a mathematical functional which takes the trajectory, also called path or history, of the system as its argument and has a real number as its result. Action has the dimension of energy × time, and its unit is...
) that is used to derive Einstein's field equations of general relativity
General relativity
General relativity or the general theory of relativity is the geometric theory of gravitation published by Albert Einstein in 1916. It is the current description of gravitation in modern physics...
.