Type II string theory

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The Type II string theory involves two of the five superstring theories that have been constructed 1984th

A distinction is made between type IIA and IIB. Like the previous model, they are based on 10 dimensions.

Edward Wittens "M-Theory"

Edward Witten found out in 1995 that the two string theories are T-dual to one another , and he also recognized that with an infinite increase in the coupling constant of the type IIA string, a new dimension emerges and the string becomes a membrane. He incorporated this new dimension into his new theory, so that the M-theory is based on 11 dimensions.

Individual evidence

  1. ^ Duff, Michael J .: "The Theory Formerly Known as Strings" . Ed .: Scientific American, vol. 278th 2nd edition. 1998, p. 64–69 , doi : 10.1038 / scientificamerican0298-64 , bibcode : 1998SciAm.278b..64D (English).