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Results tagged with string-theory
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user 103373
A class of theories that attempt to explain all existing particles (including force carriers) as vibrational modes of extended objects, such as the 1-dimensional fundamental string. PLEASE DO NOT USE THIS TAG for non-relativistic material strings, such as, e.g., a guitar string.
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p-cycles and Fluxes
I would like to ask why the existence of a non-trivial p-cycle leads to a non-trivial flux. I would say that e.g. for a five-form $F_{(5)}$ field strength , the flux is: $$\int\limits_{\mathcal{C}^{5} …
- 155
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answers
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Orientifold action on Grassmann variables
The insertion of an orientifold $O_{p}$-plane in a string theory setup, results to the following action on the string coordinates $X^{\mu}(\tau,\sigma)$ (leave aside the Chan-Paton factors for now):$$ …
- 155
6
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Cohomology and Strings
I am going through a paper by Witten and I got confused in the point where the topology of the $B$-field is discussed.
In the first paragraph of page 11, it is explained that when discrete torsion is …
- 155