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ON THIN-SHELL WORMHOLES EVOLVING IN FLAT FRW SPACETIMES.

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Title: ON THIN-SHELL WORMHOLES EVOLVING IN FLAT FRW SPACETIMES.
Authors: LA CAMERA, M.1 lacamera@ge.infn.it
Source: Modern Physics Letters A. 4/20/2011, Vol. 26 Issue 12, p857-863. 7p.
Subjects: Wormholes (Physics), Symmetry (Physics), Dynamics, Throat, Stability (Mechanics), Systems theory, Sigma particles, Mathematical analysis, Spacetime
Abstract: We analyze the stability of a class of thin-shell wormholes with spherical symmetry evolving in flat FRW spacetimes. The wormholes considered here are supported at the throat by a perfect fluid with equation of state $\mathcal{P} = w\sigma$ and have a physical radius equal to aR, where a is a time-dependent function describing the dynamics of the throat and R is the background scale factor. The study of wormhole stability is done by means of the stability analysis of dynamic systems. [ABSTRACT FROM AUTHOR]
Copyright of Modern Physics Letters A is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: We analyze the stability of a class of thin-shell wormholes with spherical symmetry evolving in flat FRW spacetimes. The wormholes considered here are supported at the throat by a perfect fluid with equation of state $\mathcal{P} = w\sigma$ and have a physical radius equal to aR, where a is a time-dependent function describing the dynamics of the throat and R is the background scale factor. The study of wormhole stability is done by means of the stability analysis of dynamic systems. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Modern Physics Letters A is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1142/S0217732311035407
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        Text: English
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      – SubjectFull: Wormholes (Physics)
        Type: general
      – SubjectFull: Symmetry (Physics)
        Type: general
      – SubjectFull: Dynamics
        Type: general
      – SubjectFull: Throat
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      – SubjectFull: Stability (Mechanics)
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      – SubjectFull: Systems theory
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      – SubjectFull: Sigma particles
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      – SubjectFull: Mathematical analysis
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      – SubjectFull: Spacetime
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      – TitleFull: ON THIN-SHELL WORMHOLES EVOLVING IN FLAT FRW SPACETIMES.
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              Text: 4/20/2011
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              Y: 2011
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