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Stability of the Regular Hayward Thin-Shell Wormholes
Joint Authors
Source
Advances in High Energy Physics
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-07-31
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Abstract EN
The aim of this paper is to construct regular Hayward thin-shell wormholes and analyze their stability.
We adopt Israel formalism to calculate surface stresses of the shell and check the null and weak energy conditions for the constructed wormholes.
It is found that the stress-energy tensor components violate the null and weak energy conditions leading to the presence of exotic matter at the throat.
We analyze the attractive and repulsive characteristics of wormholes corresponding to a r > 0 and a r < 0 , respectively.
We also explore stability conditions for the existence of traversable thin-shell wormholes with arbitrarily small amount of fluid describing cosmic expansion.
We find that the space-time has nonphysical regions which give rise to event horizon for 0 < a 0 < 2.8 and the wormhole becomes nontraversable producing a black hole.
The nonphysical region in the wormhole configuration decreases gradually and vanishes for the Hayward parameter l = 0.9 .
It is concluded that the Hayward and Van der Waals quintessence parameters increase the stability of thin-shell wormholes.
American Psychological Association (APA)
Sharif, M.& Mumtaz, Saadia. 2016. Stability of the Regular Hayward Thin-Shell Wormholes. Advances in High Energy Physics،Vol. 2016, no. 2016, pp.1-13.
https://search.emarefa.net/detail/BIM-1095169
Modern Language Association (MLA)
Sharif, M.& Mumtaz, Saadia. Stability of the Regular Hayward Thin-Shell Wormholes. Advances in High Energy Physics No. 2016 (2016), pp.1-13.
https://search.emarefa.net/detail/BIM-1095169
American Medical Association (AMA)
Sharif, M.& Mumtaz, Saadia. Stability of the Regular Hayward Thin-Shell Wormholes. Advances in High Energy Physics. 2016. Vol. 2016, no. 2016, pp.1-13.
https://search.emarefa.net/detail/BIM-1095169
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1095169