curved space-time


Also found in: Dictionary, Thesaurus.
Related to curved space-time: Timelike

curved space-time

[¦kərvd ′spās ′tīm]
(relativity)
A four-dimensional Riemannian space, in which there are no straight lines but only curves, which is a generalization of the Minkowski universe in the general theory of relativity.
References in periodicals archive ?
It seems that in evaluating the proton mass, a curved space-time must be considered.
Negatively curved space-time describes a Universe filled with negative vacuum energy.
Professor Skenderis has developed a mathematic model which finds striking similarities between flat space-time and negatively curved space-time, with the latter however formulated in a negative number of dimensions, beyond our realm of physical perception.
But today we understand that special relativity applies in any space-time that is flat (or nearly so) and general relativity is explicitly a theory of curved space-times (gravity).
Today the major physical predictions involving both gravity and quantum fields, in the framework of quantum field theory in curved space-times, are black hole radiation and particle production in an expanding Universe.
The spin of neutron stars is perhaps the best observable that carries a large amount of information on the behaviour of matter in curved space-times and at ultra-high densities.