Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-05-28
Relativity, particle physics and cosmology (World Pub 1999)
Physics
High Energy Physics
High Energy Physics - Theory
12 pages. Lecture delivered at Arnowitt Fest, to appear in Relativity, Particle Physics and Cosmology (World Scientific)
Scientific paper
I discuss two novel results in D=11 Supergravity. The first establishes, in two complementary ways, a no-go theorem that, in contrast to all D<11, a cosmological extension of the theory does not exist. The second deals with the structure of (on-shell) four-point invariants. These are important both for establishing existence of the lowest (2-loop) order candidate counter-terms in the theory proper, as well as for comparison with the form of eventual "zero-slope" QFT limit of M-theory.
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