Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 28, Issue 21, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/28/21/215005
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Funding
- National Science Foundation [NSF PHY05-51164]
- PCI-BEV
- STFC [ST/G000743/1]
- ITN programme [PITN-GA-2009-237920]
- ERC [226371]
- IFCPAR CEFIPRA programme [4104-2]
- ANR [NT09-573739]
- STFC [ST/G000743/1, ST/J000353/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/G000743/1, ST/J000353/1] Funding Source: researchfish
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The volume of on-shell D = 4, N = 8 superspace is shown to vanish. Despite this, it is shown that there is a fully supersymmetric and duality-invariant candidate Delta R-8(4) counterterm corresponding to an anticipated seven-loop logarithmic divergence in D = 4. We construct this counterterm explicitly and also give the complete nonlinear extension of the 1/8-BPS Delta R-6(4) invariant. Similar results are derived for N = 4, 5 and 6.
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