Related papers: Green-Schwarz Superstring Action in Type IIA Super…

This paper has been withdrawn by arXiv administrators because of an inappropriate amount of overlap with hep-th/0505013.

We discuss the Green-Schwarz action for type IIB strings in general plane-wave backgrounds obtained as Penrose limits from any IIB supergravity solutions with vanishing background fermions. Using the normal-coordinate expansion in…

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In a previous article we have shown the existence of a new independent R^4 term, at one loop, in the type IIA and heterotic effective actions, after reduction to four dimensions, besides the usual square of the Bel-Robinson tensor. It had…

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Resubmitted as hep-ph/9502316. Removed from hep-th. Incorrigibly inept submitter publicly excoriated.

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This paper has been withdrawn by the author due to it contains some errors. A corrected treatment is presented in further publications of the author.

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This paper has been removed by arXiv administrators because it plagiarizes gr-qc/0011027, gr-qc/0205028, and gr-qc/0303034.