Generic Three-Parameter Wormhole Solution in Einstein-Scalar Field Theory

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F47813059%3A19630%2F22%3AA0000226" target="_blank" >RIV/47813059:19630/22:A0000226 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.mdpi.com/2571-712X/5/1/1" target="_blank" >https://www.mdpi.com/2571-712X/5/1/1</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/particles5010001" target="_blank" >10.3390/particles5010001</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Generic Three-Parameter Wormhole Solution in Einstein-Scalar Field Theory

Popis výsledku v původním jazyce

An exact analytical, spherically symmetric, three-parametric wormhole solution has been found in the Einstein-scalar field theory, which covers the several well-known wormhole solutions. It is assumed that the scalar field is massless and depends on the radial coordinate only. The relation between the full contraction of the Ricci tensor and Ricci scalar has been found as R alpha beta R alpha beta = R-2. The derivation of the Einstein field equations have been explicitly shown, and the exact analytical solution has been found in terms of the three constants of integration. The several wormhole solutions have been extracted for the specific values of the parameters. In order to explore the physical meaning of the integration constants, the solution has been compared with the previously obtained results. The curvature scalar has been determined for all particular solutions. Finally, it is shown that the general solution describes naked singularity characterized by the mass, the scalar quantity and the throat.

Název v anglickém jazyce

Generic Three-Parameter Wormhole Solution in Einstein-Scalar Field Theory

Popis výsledku anglicky

An exact analytical, spherically symmetric, three-parametric wormhole solution has been found in the Einstein-scalar field theory, which covers the several well-known wormhole solutions. It is assumed that the scalar field is massless and depends on the radial coordinate only. The relation between the full contraction of the Ricci tensor and Ricci scalar has been found as R alpha beta R alpha beta = R-2. The derivation of the Einstein field equations have been explicitly shown, and the exact analytical solution has been found in terms of the three constants of integration. The several wormhole solutions have been extracted for the specific values of the parameters. In order to explore the physical meaning of the integration constants, the solution has been compared with the previously obtained results. The curvature scalar has been determined for all particular solutions. Finally, it is shown that the general solution describes naked singularity characterized by the mass, the scalar quantity and the throat.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

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OECD FORD obor

10308 - Astronomy (including astrophysics,space science)

Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

PARTICLES

ISSN

2571-712X

e-ISSN

2571-712X

Svazek periodika

5

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

11

Strana od-do

1-11

Kód UT WoS článku

000774366700001

EID výsledku v databázi Scopus

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