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If you're asking whether there is any chance we'll be able to do this in the forseeable future then answer is no. If, however, you're asking whether general relativity allows constructions like this then the answer is yes. Your question refers to a brane which would exist inside a bulk of our own design, and I don't know how literally you meant this but it ...


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Type II string theory also contains open strings. The statement on Wikipedia is misleading. The GSO projection removes part of the open string spectrum. Most notably, it removes tachyonic modes from the theory, making it stable. You can read this up in detail in Polchinski, Volume II, Chapter 10.


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Higher dimensional dynamical objects in string theory exist, and are called branes. They arise, for example, as the objects the endpoints of open strings lie on.



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