String Gas Shells, their Dual Radiation and Hedgehog Signature Control

Details String Gas Shells, their Dual Radiation and Hedgehog Signature Control String Gas Shells, their Dual Radiation and Hedgehog Signature Control

2009-03-12

arxiv.org/abs/0903.2127v1

Phys.Lett.B677:71-73,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages

Scientific paper

10.1016/j.physletb.2009.05.019

We search for spherically symmetric, stationary solutions with a string gas shell as a source. The requirement of a uniform newtonian potential, or constancy of the 00 component of the metric, implies the existence of a "dual" radiation, which we argue can be interpreted as representing the virtual quantum fluctuations that stabilize the shell. A string hedgehog can be introduced also into the solution. For zero or small hedgehog strength the string gas shell is of a regular nature, while the dual radiation is of a spacelike nature. For higher hedgehog strengths however the radiation "materializes" and becomes timelike while the string gas shell becomes space like. The significance of these solutions for the quantum theory is discussed.

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