Gibbons-Hawking-York boundary term
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English
Etymology
The necessity of such a boundary term was first realised by James W. York and later refined in a minor way by Gary Gibbons and Stephen Hawking.
Proper noun
Gibbons-Hawking-York boundary term
- (physics) In general relativity, a term that needs to be added to the Einstein-Hilbert action when the underlying spacetime manifold has a boundary.