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1999•Modern Physics Letters ARequires access

DISTRIBUTIONAL TORSION OF HYBRID DEFECTS

L. C. García de Andrade

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Abstract

Distributional sources of cosmic walls crossed by cosmic strings are obtained from Riemann–Cartan (RC) geometry. The matter density of the planar wall is maximum at the point where the cosmic string crosses the cosmic wall. Cartan torsion has support on the cosmic string given by the Dirac δ-function. Off the sources we are left with a torsionless vacuum. It is suggested that this hybrid defect geometry with torsion may serve as a model for a spinning string from a quark which ends on an axionic domain wall.

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What this paper is about

Distributional sources of cosmic walls crossed by cosmic strings are obtained from Riemann–Cartan (RC) geometry. The matter density of the planar wall is maximum at the point where the cosmic string crosses the cosmic wall. Cartan torsion has support on the cosmic string given by the Dirac δ-function. Off the sources we are left with a torsionless vacuum. It is suggested that this hybrid defect geometry with torsion may serve as a model for a spinning string from a quark which ends on an axionic domain wall.

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Available abstract

Distributional sources of cosmic walls crossed by cosmic strings are obtained from Riemann–Cartan (RC) geometry. The matter density of the planar wall is maximum at the point where the cosmic string crosses the cosmic wall. Cartan torsion has support on the cosmic string given by the Dirac δ-function. Off the sources we are left with a torsionless vacuum. It is suggested that this hybrid defect geometry with torsion may serve as a model for a spinning string from a quark which ends on an axionic domain wall.

Key concepts: Cosmic string, Physics, Torsion (gastropod), COSMIC cancer database, Planar, String theory, String (physics), Classical mechanics

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