Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-02-13
Fortsch.Phys.55:692-698,2007
Physics
High Energy Physics
High Energy Physics - Theory
plain latex, 10 pages. Talk delivered at the Workshop of the RTN network "Constituents, fundamental forces and Symmetries of t
Scientific paper
10.1002/prop.200610339
After introducing the notion of BPS preons as the basic constituents of M-theory, we discuss the recent negative results in the search for solutions of the D=10 and D=11 supergravity equations preserving 31/32 supersymmetries i.e., of preonic solutions. The absence of these supergravity preonic solutions may point out to a pure quantum nature of BPS preons, manifesting itself in the need of incorporating quantum (stringy/M-theoretic) corrections to the supergravity equations.
Bandos Igor A.
de Azcarraga Jose A.
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