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A fully covariant information-theoretic ultraviolet cutoff for scalar fields in expanding Friedmann Robertson Walker spacetimes
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10.1063/1.4790482
/content/aip/journal/jmp/54/2/10.1063/1.4790482
http://aip.metastore.ingenta.com/content/aip/journal/jmp/54/2/10.1063/1.4790482
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Fixed spatial p modes have finite temporal bandwidth.

Image of FIG. 2.
FIG. 2.

Numerical simulation of Z(Ω/H). The red curve is a fit to the data by the curve Z = 0.07988(Ω/H)2.

Image of FIG. 3.
FIG. 3.

Plots of the two-point function G F (red) and the covariantly bandlimited two-point function (blue). The plotting parameters are Ω = 1 and m = 0.01.

Image of FIG. 4.
FIG. 4.

Plot of the relative difference in magnitudes of G F (t = t′, p) and in Minkowski space for different field masses m. The cutoff is set to Ω = 1.

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/content/aip/journal/jmp/54/2/10.1063/1.4790482
2013-02-13
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A fully covariant information-theoretic ultraviolet cutoff for scalar fields in expanding Friedmann Robertson Walker spacetimes
http://aip.metastore.ingenta.com/content/aip/journal/jmp/54/2/10.1063/1.4790482
10.1063/1.4790482
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