Extended Kerr-Schild spacetimes: general properties and some explicit examples

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985840%3A_____%2F14%3A00434069" target="_blank" >RIV/67985840:_____/14:00434069 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1088/0264-9381/31/18/185013" target="_blank" >http://dx.doi.org/10.1088/0264-9381/31/18/185013</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/0264-9381/31/18/185013" target="_blank" >10.1088/0264-9381/31/18/185013</a>

Result language

angličtina

Original language name

Extended Kerr-Schild spacetimes: general properties and some explicit examples

Original language description

We study extended Kerr-Schild (xKS) spacetimes, i.e. extensions of the Kerr-Schild (KS) ansatz where, in addition to the null KS vector, a spacelike vector field appears in the metric. In contrast to the KS case, we obtain only a necessary condition under which the KS vector is geodetic. However, it is shown that this condition becomes sufficient if we appropriately restrict the geometry of the null KS and spacelike vector. It turns out that xKS spacetimes with a geodetic KS vector are of Weyl type I and the KS vector has the same optical properties in the full and background spacetimes. In the case of Kundt xKS spacetimes, the compatible Weyl types are further restricted and a few examples of such metrics are provided. The relation of pp-waves to theclass of Kundt xKS spacetimes is briefly discussed.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BA - General mathematics

OECD FORD branch

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Project

<a href="/en/project/GB14-37086G" target="_blank" >GB14-37086G: Albert Einstein Center for Gravitation and Astrophysics</a><br>

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2014

Confidentiality

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

Name of the periodical

Classical and Quantum Gravity

ISSN

0264-9381

e-ISSN

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Volume of the periodical

31

Issue of the periodical within the volume

18

Country of publishing house

GB - UNITED KINGDOM

Number of pages

33

Pages from-to

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UT code for WoS article

000341484200014

EID of the result in the Scopus database

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