(Q742982)

English

Friedmann–Lemaître–Robertson–Walker metric

metric properties of the spacetime based on Albert Einstein's metric tensor and field solution for the spacetime

FLRW metric
FLRW

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Arthur Geoffrey Walker

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discoverer or inventor

Alexander Friedmann

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defining formula

\mathrm {d} s^{2}=\mathrm {d} t^{2}-a^{2}(t)\left(\mathrm {d} x^{2}+k{\frac {(x\,\mathrm {d} x)^{2}}{1-kx^{2}}}\right)

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imported from Wikimedia project

Russian Wikipedia

in defining formula

a(t)

symbol represents

scale factor

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\mathrm {d} s^{2}

symbol represents

pseudo-Riemannian metric

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maintained by WikiProject

WikiProject Mathematics

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Identifiers

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28 October 2013

Microsoft Academic ID

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1 reference

26 January 2022

https://docs.openalex.org/download-snapshot/snapshot-data-format

Unified Astronomy Thesaurus ID

550

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World of Physics ID

Robertson-WalkerLineElement

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Sitelinks

Wikipedia(29 entries)

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Wikiversity(1 entry)

enwikiversity Theory of relativity/Friedmann–Lemaître–Robertson–Walker metric

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