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Interpretation of spacetimes with expanding impulsive gravitational waves generated by snapped cosmic strings

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F23%3A10473961" target="_blank" >RIV/00216208:11320/23:10473961 - isvavai.cz</a>

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=mgVSBZnkQr" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=mgVSBZnkQr</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevD.108.044059" target="_blank" >10.1103/PhysRevD.108.044059</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Interpretation of spacetimes with expanding impulsive gravitational waves generated by snapped cosmic strings

  • Original language description

    Spacetimes representing expanding impulsive gravitational waves propagating on a flat background are studied. The impulses are generated by various configurations of snapped cosmic strings. Employing the previous results [J. PodolskATIN SMALL LETTER Y WITH ACUTE et al., The global uniqueness and C1-regularity of geodesics in expanding impulsive gravitational waves, Classical Quantum Gravity 33, 195010 (2016)], analyzing the geodesic motion in generic expanding impulses, we investigate geometric properties of more intricate stringlike wave sources than the standard case of a single snapped string. Such solutions representing pairs of snapping strings were technically derived in PodolskATIN SMALL LETTER Y WITH ACUTE and Griffiths [The collision and snapping of cosmic strings generating spherical impulsive gravitational waves, Classical Quantum Gravity 17, 1401 (2000)], however, the corresponding physical analysis requires to introduce their generalizations to point out various subtleties in the construction. As the main tool, we thus use the close connection between the spacetime structure and the motion of free test particles crossing the impulse. Within our contribution, the explicit models of a boosted snapped cosmic string and boosted perpendicular or parallel configurations of string pairs are discussed in detail.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10300 - Physical sciences

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2023

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Physical Review D

  • ISSN

    2470-0010

  • e-ISSN

    2470-0029

  • Volume of the periodical

    108

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    19

  • Pages from-to

    044059

  • UT code for WoS article

    001072035800002

  • EID of the result in the Scopus database

    2-s2.0-85172765141