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Abstract:

We construct cylindrical, traversable wormholes with finite radii by taking into account the cut-and-paste procedure for the case of cosmic string manifolds with a positive cosmological constant. Under reasonable assumptions about the equation of state of the matter located at the shell, we find that the wormhole throat undergoes a monotonous evolution provided it moves at a constant velocity. In order to explore the dynamical nonlinear behavior of the wormhole throat, we consider that the matter of the shell is supported by anisotropic Chaplygin gas, anti-Chaplygin gas, or a mixture of Chaplygin and anti-Chaplygin gases, implying that wormholes could suffer an accelerated expansion or contraction, but that oscillatory behavior seems to be forbidden. © 2013 American Physical Society.

Registro:

Documento: Artículo
Título:Cylindrical wormholes with positive cosmological constant
Autor:Richarte, M.G.
Filiación:Departamento de Física, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón I, 1428 Buenos Aires, Argentina
Año:2013
Volumen:88
Número:2
DOI: http://dx.doi.org/10.1103/PhysRevD.88.027507
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
CODEN:PRVDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v88_n2_p_Richarte

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Citas:

---------- APA ----------
(2013) . Cylindrical wormholes with positive cosmological constant. Physical Review D - Particles, Fields, Gravitation and Cosmology, 88(2).
http://dx.doi.org/10.1103/PhysRevD.88.027507
---------- CHICAGO ----------
Richarte, M.G. "Cylindrical wormholes with positive cosmological constant" . Physical Review D - Particles, Fields, Gravitation and Cosmology 88, no. 2 (2013).
http://dx.doi.org/10.1103/PhysRevD.88.027507
---------- MLA ----------
Richarte, M.G. "Cylindrical wormholes with positive cosmological constant" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 88, no. 2, 2013.
http://dx.doi.org/10.1103/PhysRevD.88.027507
---------- VANCOUVER ----------
Richarte, M.G. Cylindrical wormholes with positive cosmological constant. Phys Rev D Part Fields Gravit Cosmol. 2013;88(2).
http://dx.doi.org/10.1103/PhysRevD.88.027507