Can strings live in four dimensions?

Details Can strings live in four dimensions? Can strings live in four dimensions?

2007-03-19

arxiv.org/abs/hep-th/0703171v1

Physics

High Energy Physics

High Energy Physics - Theory

3 pages, LaTeX

Scientific paper

Using a novel, non-perturbative, time-dependent string configuration derived
in [1], we present here an argument which selects new critical dimensions for
the target space time of a bosonic sigma model, with D=4 the lowest non trivial
value. This argument is based on the properties of the partition function after
a target space Wick rotation.

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