Construct · 1 fields · 1 citations

gauge-invariant cosmological perturbations: a standalone construct

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Cosmology

formulation of linear perturbations to an expanding universe in terms of combinations of metric and matter variables that do not depend on coordinate choice.

In cosmology, gauge-invariant cosmological perturbations refers to formulation of linear perturbations to an expanding universe in terms of combinations of metric and matter variables that do not depend on coordinate choice. This meaning comes from Bardeen (1980) in Physical Review D.[1]

Unit
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Nearby constructs

matter2 fields · 3 citationsjingle · one word, two constructs metric4 fields · 4 citationsjingle · one word, four constructs

References

Bardeen, J. M. (1980). Gauge-invariant cosmological perturbations. Physical Review D, 22(8), 1882-1905. https://doi.org/10.1103/physrevd.22.1882

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