Last update: Sun Oct 15 02:39:02 MDT 2017
@Article{Czaja:2011:AWE,
author = "Wojciech Czaja and Zdzislaw A. Golda and Andrzej
Woszczyna",
title = "The Acoustic Wave Equation in the Expanding Universe:
{Sachs--Wolfe Theorem}",
journal = j-MATHEMATICA-J,
volume = "13",
number = "??",
pages = "??--??",
month = "????",
year = "2011",
CODEN = "????",
ISSN = "1047-5974 (print), 1097-1610 (electronic)",
bibdate = "Sat Mar 15 08:18:42 MDT 2014",
bibsource = "http://www.math.utah.edu/pub/tex/bib/mathematicaj.bib",
URL = "http://www.mathematica-journal.com/2011/10/the-acoustic-wave-equation-in-the-expanding-universe-sachs-wolfe-theorem/",
abstract = "This article considers the acoustic field propagating
in the radiation-dominated ( ) universe of arbitrary
space curvature ( ). The field equations are reduced to
the d'Alembert equation in an auxiliary static
Robertson--Walker spacetime and dispersion relations
are discussed.",
acknowledgement = ack-nhfb,
journal-URL = "http://www.mathematica-journal.com/",
}