Phys. Rev. D 34, 1749–1758 (1986)Gravity as the limit of the type-II superstring theoryReceived 30 April 1986; published in the issue dated 15 September 1986 The amplitude for graviton-graviton scattering in D dimensions is calculated in the tree approximation. We show explicitly that in ten dimensions this agrees completely with the zero-slope limit of the four-particle tree amplitude given by the type-II superstring theory. When six of the spatial dimensions are compactified it is shown that the four-particle string amplitude agrees with the helicity amplitudes obtained from general relativity in four dimensions. © 1986 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.34.1749
DOI:
10.1103/PhysRevD.34.1749
PACS:
04.60.+n, 11.10.Kk, 11.17.+y
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