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...

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

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

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...

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

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...

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

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...

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

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

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

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...

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

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

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...

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...

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

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

some Kaluza–Klein black hole. When perturbed, the black string would settle into a stable, static non-uniform black string state. A Kaluza–Klein black...

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

string theory is a type of (1+1)-dimensional QFT,: 452  while Kaluza–Klein theory uses gravity in extra dimensions to produce gauge theories in lower...

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

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

indistinguishable from a scalar in four dimensions, as shown in Kaluza–Klein theory. The scalar field ϕ {\displaystyle \phi } comes from a component...

additional dimensions exist that are curled up or compactified (see also Kaluza–Klein theory). Extra dimensions appear as a frequent component of supergravity...

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