Effects related to spacetime foam in particle physics

Details Effects related to spacetime foam in particle physics Effects related to spacetime foam in particle physics

1999-11-22

arxiv.org/abs/hep-th/9911168v1

Sov.Phys.JETP 88 (1999) 1051-1057; Zh.Eksp.Teor.Fiz. 115 (1999) 1921-1934

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, minor corrections added to the published variant

Scientific paper

10.1134/1.558891

It is found that the existence of spacetime foam leads to a situation in which the number of fundamental quantum bosonic fields is a variable quantity. The general aspects of an exact theory that allows for a variable number of fields are discussed, and the simplest observable effects generated by the foam are estimated. It is shown that in the absence of processes related to variations in the topology of space, the concept of an effective field can be reintroduced and standard field theory can be restored. However, in the complete theory the ground state is characterized by a nonvanishing particle number density. From the effective-field standpoint, such particles are "dark". It is assumed that they comprise dark matter of the universe. The properties of this dark matter are discussed, and so is the possibility of measuring the quantum fluctuation in the field potentials.

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