In physics, Kaluza–Klein theory (KK theory) is a classical unified field theory of gravitation and electromagnetism built around the idea of a fifth dimension...

Eduard Kaluza (German: [kaˈluːt͡sa]; 9 November 1885 – 19 January 1954) was a German mathematician and physicist known for the Kaluza–Klein theory, involving...

Klein (Swedish: [ˈklajn]; 15 September 1894 – 5 February 1977) was a Swedish theoretical physicist. Oskar Klein is known for his work on Kaluza–Klein...

In Kaluza–Klein theory, a speculative unification of general relativity and electromagnetism, the five-dimensional Kaluza–Klein–Einstein field equations...

Hermann Weyl, Arthur Eddington, David Hilbert, Theodor Kaluza, Oskar Klein (see Kaluza–Klein theory), and most notably, Albert Einstein and his collaborators...

leap to suggest that string theory was a theory of gravity, not a theory of hadrons. They reintroduced Kaluza–Klein theory as a way of making sense of...

Kaluza–Klein theory and subsequent attempts by Einstein to develop unified field theory were never completely successful. In part this was because Kaluza–Klein theory...

In 1921, Kaluza–Klein theory presented 5D including an extra dimension of space. At the level of quantum field theory, Kaluza–Klein theory unifies gravity...

In Kaluza–Klein theory, a unification of general relativity and electromagnetism, the five-dimensional Kaluza–Klein metric is the generalization of the...

the language of geometric algebra. Nor should it be confused with Kaluza–Klein theory, where the gauge fields are used to describe particle fields, but...

spatial dimension be curled up into a small, unobserved circle. In Kaluza–Klein theory, the gravitational curvature of the extra spatial direction behaves...

objects get farther away. Gravity is accurately described by the general theory of relativity, proposed by Albert Einstein in 1915, which describes gravity...

In Kaluza–Klein theory, a unification of general relativity and electromagnetism, the five-fimensional Kaluza–Klein–Christoffel symbol is the generalization...

Superstring theory is not the first theory to propose extra spatial dimensions. It can be seen as building upon the Kaluza–Klein theory, which proposed...

has also been used to put weak limits on large extra dimensions. Kaluza–Klein theory Loop quantum cosmology "Session D9 - Experimental Tests of Short...

The theory of relativity usually encompasses two interrelated physics theories by Albert Einstein: special relativity and general relativity, proposed...

have been employed in various proposals. Kaluza–Klein theory, a speculative attempt to develop a unified theory of gravity and electromagnetism, relied...

relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the geometric theory of gravitation published by Albert...

appears in theories with extra dimensions when the volume of the compactified dimensions varies. It appears as a radion in Kaluza–Klein theory's compactifications...

resulting theories were sometimes referred to as Kaluza–Klein theories as Kaluza and Klein constructed in 1919 a 5-dimensional gravitational theory, that...

entire bundle. This bundle metric underpins the generalized form of Kaluza–Klein theory due to several interesting properties that it possesses. The scalar...

a six-dimensional theory of Einstein's field equations of general relativity, extending the five-dimensional theory of Kaluza, Klein, Fock, and others...

Kaluza–Klein theory, a unification of general relativity and electromagnetism, the five-fimensional Kaluza–Klein–Riemann curvature tensor (or Kaluza...

is a generalization of Kaluza–Klein theory, which was first proposed in the 1920s.) By 1985, five separate superstring theories had been described: type...

A Grand Unified Theory (GUT) is any model in particle physics that merges the electromagnetic, weak, and strong forces (the three gauge interactions of...

The Hoyle–Narlikar theory of gravity is a Machian and conformal theory of gravity proposed by Fred Hoyle and Jayant Narlikar that originally fits into...

1038/scientificamerican0298-64. Huq, M; Namazie, M A (1985-05-01). "Kaluza-Klein supergravity in ten dimensions". Classical and Quantum Gravity. 2 (3):...

equations. This resulted in Einstein's theory superseding Newtonian physics. Thereafter, German mathematician Theodor Kaluza promoted the idea of general relativity...

algebra Kac–Moody algebra Wess–Zumino–Witten model Monstrous moonshine Kaluza–Klein theory Compactification Why 10 dimensions? Kähler manifold Ricci-flat manifold...

equations of electromagnetism emerged from Kaluza's theory. In 1926, Oskar Klein suggested that Kaluza's extra dimension might be "curled up" into an...