On the low-energy limit of string and M-theory

Details On the low-energy limit of string and M-theory On the low-energy limit of string and M-theory

2000-04-07

arxiv.org/abs/hep-ph/0004064v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

For those that asked for a copy: TASI97 lectures as published in Supersymmetry, Supergravity and Supercolliders, World Scienti

Scientific paper

We discuss the possible applications of string theory for the construction of generalizations of the $SU(3)\times SU(2)\times U(1)$ standard model of strong and electroweak interactions. This includes an investigation of effective $d=4$ dimensional supergravity theories that could be derived from higher dimensional string theories ($d=10$) and M-theory ($d=11$).It is shown how the question of unification of gauge and gravitational coupling constants could find a solution within this framework. The mechanism of hidden sector supersymmetry breakdown and its consequences for the pattern for soft supersymmetry breaking terms are discussed in detail.

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