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Orientifold
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In theoretical physics, orientifold is a generalization of the notion of orbifold, proposed by Augusto Sagnotti in 1987. The novelty is that the non-trivial element(s) of the orbifold group includes the reversal of the orientation of the string. Orientifolding therefore produces unoriented strings strings that carry no "arrow" and whose two opposite orientations are equivalent. Type I string theory is the simplest example of such a theory and can be obtained by orientifolding type IIB string theory.The locus where the orientifold action reduces to the change of the string orientation is called the orientifold plane. The involution leaves the large dimensions of space-time unaffected and so orientifolds can have O-planes of at least dimension 3. In the case of ( ) = it is possible that all spatial dimensions are left unchanged and O9 planes can exist. The orientifold plane in type I string theory is the spacetime-filling O9-plane. More generally,
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131302466
- Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
- Genre Physik & Astronomie
- Größe H220mm x B220mm
- EAN 9786131302466
- Format Fachbuch
- Titel Orientifold
- Herausgeber Betascript Publishing
- Anzahl Seiten 92
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