Strings in the Einstein's paradigm of matter

Details Strings in the Einstein's paradigm of matter Strings in the Einstein's paradigm of matter

2002-05-15

arxiv.org/abs/gr-qc/0205055v2

Class.Quant.Grav. 19 (2002) 4817-4824

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

changes in the text

Scientific paper

10.1088/0264-9381/19/19/302

Spherically symmetric solutions with a flux of electric and magnetic fields in Kaluza-Klein gravity are considered. It is shown that under the condition (electric charge $q$) $\approx$ (magnetic charge $Q$) ($q>Q$) these solutions are like a flux tube stretched between two Universes. The longitudinal size of this tube depends on the value of $\delta = 1 - Q/q$. The cross section of the tube can be chosen $\approx l_{Pl}$. In this case this flux tube looks like a 1-dimensional object (thread) stretched between two Universes. The propagation of gravitational waves on the thread is considered. The corresponding equations are very close to the classical string equations. This result allows us to say that the thread between two Universes is similar to the string attached to two $D-$branes.

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