The cohomology of superspace, pure spinors and invariant integrals
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2008-06-01
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Int School Advanced Studies
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The superform construction of supersymmetric invariants, which consists of integrating the top component of a closed superform over spacetime, is reviewed. The cohomological methods necessary for the analysis of closed superforms are discussed and some further theoretical developments presented. The method is applied to higher-order corrections in heterotic string theory up to alpha'(3). Some partial results on N = 2, d = 10 and N = 1, d = 11 are also given.
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Journal of High Energy Physics. Trieste: Int School Advanced Studies, n. 6, p. 27, 2008.
