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- Bundzik, DanielLund University,Lunds universitet,Malmö högskola,Teknik och samhälle (TS),Department of Theoretical Physics, Lund University, Sölvegatan 14A, S-223 62, Sweden,Teoretisk partikelfysik - Geonomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Theoretical Particle Physics - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science (author)
Star product and the general Leigh-Strassler deformation
- Article/chapterEnglish2007
Publisher, publication year, extent ...
- 2007-04-10
- SISSA,2007
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:mau-2721
- https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-2721URI
- https://doi.org/10.1088/1126-6708/2007/04/035DOI
- https://lup.lub.lu.se/record/767956URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
Classification
Notes
- We extend the definition of the star product introduced by Lunin and Maldacena to study marginal deformations of = 4 SYM. The essential difference from the latter is that instead of considering U(1) × U(1) non-R-symmetry, with charges in a corresponding diagonal matrix, we consider two 3-symmetries followed by an SU(3) transformation, with resulting off-diagonal elements. From this procedure we obtain a more general Leigh–Strassler deformation, including cubic terms with the same index, for specific values of the coupling constants. We argue that the conformal property of = 4 SYM is preserved, in both β- (one-parameter) and γi-deformed (three-parameters) theories, since the deformation for each amplitude can be extracted in a prefactor. We also conclude that the obtained amplitudes should follow the iterative structure of MHV amplitudes found by Bern, Dixon and Smirnov.
Subject headings and genre
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- NATURVETENSKAP Fysik Subatomär fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
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- Malmö högskolaTeknik och samhälle (TS) (creator_code:org_t)
Related titles
- In:Journal of High Energy Physics (JHEP): SISSA:041126-67081029-8479
Internet link
- https://doi.org/10.1088/1126-6708/2007/04/035Fulltext
- https://iopscience.iop.org/article/10.1088/1126-6708/2007/04/035/pdf
- http://www.iop.org/EJ/abstract/1126-6708/2007/04/035FULLTEXT
- http://dx.doi.org/10.1088/1126-6708/2007/04/035FULLTEXT
- https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-2721
- https://doi.org/10.1088/1126-6708/2007/04/035
- https://lup.lub.lu.se/record/767956
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