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  New Twistor String Theories revisited

Brödel, J., & Wurm, B. (2009). New Twistor String Theories revisited. Physics Letters B, 675, 463-468. doi:10.1016/j.physletb.2009.04.053.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-45C7-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-45C8-5
Genre: Journal Article

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 Creators:
Brödel, Johannes1, Author              
Wurm, Bernhard1, Author              
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: A gauged version of Berkovits twistor string theory featuring the particle content of N=8 supergravity was suggested by Abou-Zeid, Hull and Mason. The equations of motion for a particular multiplet in the modified theory are examined on the level of basic twistor fields and thereby shown to imply the vanishing of the negative helicity graviton on-shell. Additionally, the restrictions emerging from the equation of motion for the new gauge field \bar{B} reveal the chiral nature of interactions in theories constructed in this manner. Moreover, a particular amplitude in Berkovits open string theory is shown to be in agreement with the corresponding result in Einstein gravity.

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Language(s): eng - English
 Dates: 2009
 Publication Status: Published in print
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 Identifiers: eDoc: 402946
Other: arXiv:0902.0550
URI: http://lanl.arxiv.org/abs/0902.0550
DOI: 10.1016/j.physletb.2009.04.053
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Title: Physics Letters B
Source Genre: Journal
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Pages: - Volume / Issue: 675 Sequence Number: - Start / End Page: 463 - 468 Identifier: -