Ex-News Junkie
Complex Spacetime and Kaluza-Klein Theory
Wed Aug 2, 2017 4:48pm
2001:1970:5c22:6100:5b2:2c04:1d07:899e

Complex Spacetime
"In mathematics and mathematical physics, complex spacetime extends the traditional notion of spacetime described by real-valued space and time coordinates to complex-valued space and time coordinates. The notion is entirely mathematical, with no physics implied, but should be seen as a tool, for instance as exemplified by Wick rotation."

"The notion of spacetime having more than four dimensions is of interest in its own mathematical right. Its appearance in physics can be rooted to attempts of unifying the fundamental interactions, originally gravity and electromagnetism. These ideas prevail in string theory and beyond...."

"In 1919, Theodor Kaluza posted his 5-dimensional extension of general relativity, to Albert Einstein,[3] who was impressed with how the equations of electromagnetism emerged from Kaluza's theory. In 1926, Oskar Klein suggested[4] that Kaluza's extra dimension might be "curled up" into an extremely small circle, as if a circular topology is hidden within every point in space. Instead of being another spatial dimension, the extra dimension could be thought of as an angle, which created a hyper-dimension as it spun through 360°. This 5d theory is named Kaluza–Klein theory."

source: Theodor Kaluza

"Theodor Franz Eduard Kaluza (German: [kaˈluːtsa]; 9 November 1885, Wilhelmsthal, Silesia, German Empire, today part of Opole in Poland – 19 January 1954, Göttingen) was a German mathematician and physicist known for the Kaluza–Klein theory involving field equations in five-dimensional space. His idea that fundamental forces can be unified by introducing additional dimensions re-emerged much later in string theory."

"Kaluza was primarily a mathematician but began studying relativity. In April 1919 Kaluza noticed that when he solved Albert Einstein's equations for general relativity using five dimensions, then Maxwellian equations for electromagnetism emerged spontaneously.[1][2][3] Kaluza wrote to Einstein who, in turn, encouraged him to publish. Kaluza's theory was published in 1921 in a paper, "Zum Unitätsproblem der Physik" with Einstein's support in Sitzungsberichte Preußische Akademie der Wissenschaften 966–972 (1921).[2]

Kaluza's insight is remembered as the Kaluza–Klein theory (also named after physicist Oskar Klein). However, the work was neglected for many years as attention was directed towards quantum mechanics. His idea that fundamental forces can be explained by additional dimensions did not re-emerge until string theory was developed"

More here: Kaluza-Klein Theory

I don't understand any of the math. But an invisible, lateral, 5th dimension seems reasonable based on my own ponderings about the mathematical nature of the cosmos, black holes, and existence itself.


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