Orientifold
id:
orientifold-303-14079234
title:
Orientifold
text:
In theoretical physics orientifold is a generalization of the notion of orbifold, proposed by Augusto Sagnotti in 1987. The novelty is that in the case of string theory 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 orient
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Orientifold
date created:
date modified:
2023-11-05T12:32:41Z
main entity:
{"identifier":"Q3356307","url":"https://www.wikidata.org/entity/Q3356307"}
image:
fields total:
13
integrity:
13