On the relationship between the angular deficit and the internal structure of straight cosmic strings

Details On the relationship between the angular deficit and the internal structure of straight cosmic strings On the relationship between the angular deficit and the internal structure of straight cosmic strings

1998-06-23

arxiv.org/abs/gr-qc/9806090v3

Class.Quant.Grav. 17 (2000) 299-304

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages;Revtex; important corrections

Scientific paper

10.1088/0264-9381/17/2/302

We give a brief discussion on the limitations involving the expression mu ={angular deficit}/(8*pi),(G=c=1), which relates the string linear energy density ''mu'' to the conical deficit angle. Then, we establish a new equation between the angular deficit and another physical attribute of the string which shows that the angular deficit is determined not only by the amount of proper matter of the string but also, in a Newtonian sense, by its internal gravitational field.

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