Excited states of a string in a time dependent orbifold

Details Excited states of a string in a time dependent orbifold Excited states of a string in a time dependent orbifold

2008-07-18

arxiv.org/abs/0807.2990v3

Class.Quant.Grav.26:015008,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Version accepted for publication in Class. Quantum Grav

Scientific paper

10.1088/0264-9381/26/1/015008

We present analytical results on the propagation of a classical string in non-zero modes through the singularity of the compactified Milne space. We restrict our analysis to a string winding around the compact dimension of spacetime. The compact dimension undergoes contraction to a point followed by re-expansion. We demonstrate that the classical dynamics of the string in excited states is non-singular in the entire spacetime.

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