Academic literature on the topic 'Friedmann-Robertson-Walker cosmologies'

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Journal articles on the topic "Friedmann-Robertson-Walker cosmologies"

1

Visser, Matt. "Conformally Friedmann–Lemaître–Robertson–Walker cosmologies." Classical and Quantum Gravity 32, no. 13 (2015): 135007. http://dx.doi.org/10.1088/0264-9381/32/13/135007.

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2

Bikwa, Ojeh, Fulvio Melia, and Andrew Shevchuk. "Photon geodesics in Friedmann-Robertson-Walker cosmologies." Monthly Notices of the Royal Astronomical Society 421, no. 4 (2012): 3356–61. http://dx.doi.org/10.1111/j.1365-2966.2012.20560.x.

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3

Esposito, Giampiero, Gennaro Miele, Luigi Rosa, and Pietro Santorelli. "Quantum effects in Friedmann - Robertson - Walker cosmologies." Classical and Quantum Gravity 12, no. 12 (1995): 2995–3005. http://dx.doi.org/10.1088/0264-9381/12/12/015.

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4

Mak, M. K., and T. Harko. "Exact causal bulk viscous stiff cosmologies." Australian Journal of Physics 53, no. 2 (2000): 241. http://dx.doi.org/10.1071/ph99067.

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An exact solution of the gravitational field equations is presented for a homogeneous flat Friedmann-Robertson-Walker universe filled with a causal bulk viscous fluid obeying the Zeldovich stiff equation of state and having bulk viscosity coefficient proportional to the fourth root of the energy density.
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5

Dyer, Charles C., and Chris Oliwa. "Matching of Friedmann-Lemaître-Robertson-Walker and Kasner cosmologies." Classical and Quantum Gravity 18, no. 14 (2001): 2719–29. http://dx.doi.org/10.1088/0264-9381/18/14/309.

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6

Dyer, Charles C., Sylvie Landry, and Eric G. Shaver. "Matching of Friedmann-Lemaître-Robertson-Walker and Kasner cosmologies." Physical Review D 47, no. 4 (1993): 1404–6. http://dx.doi.org/10.1103/physrevd.47.1404.

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7

Melia, F. "The lapse function in Friedmann—Lemaître–Robertson–Walker cosmologies." Annals of Physics 411 (December 2019): 167997. http://dx.doi.org/10.1016/j.aop.2019.167997.

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8

Singh, T., R. Chaubey, and Ashutosh Singh. "Bouncing cosmologies in Brans–Dicke theory." Canadian Journal of Physics 94, no. 7 (2016): 623–27. http://dx.doi.org/10.1139/cjp-2016-0081.

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In this paper it is shown that in Brans–Dicke theory, if one considers a non-minimal coupling between the matter and scalar field, can give rise to a bouncing universe (i.e., an expanding universe preceded by a contracting universe). Two examples of such universes have been considered in a spatially flat Friedmann–Robertson–Walker universe and their physical properties have been studied.
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9

MAIER, R., I. DAMIÃO SOARES, and E. V. TONINI. "NONLINEAR RESONANCE IN BRANEWORLD COSMOLOGIES." International Journal of Modern Physics A 24, no. 08n09 (2009): 1510–13. http://dx.doi.org/10.1142/s0217751x09044905.

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The phase space dynamics of preinflationary closed Friedmann-Robertson-Walker (FRW) models is examined in a string-inspired bulk-brane scenario. Friedmann equations on the brane contain correction terms arising from the brane-bulk interaction that implement nonsingular metastable bounces in the early evolution of the universe. The matter content of the model is a massive inflaton field plus dust and/or radiation. In narrow windows of the parameter space, labeled by an integer n ≥ 2, nonlinear resonance phenomena destroy KAM tori that trap the inflaton, leading to a graceful entrance to inflation. As a consequence nonlinear resonance imposes constraints on the physical parameters, and in the initial configurations of the models so that inflation may be realized.
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10

Forte, Mónica. "Kinematic equivalence between models driven by DBI field with constant γ and exotic holographic quintessence cosmological models". Modern Physics Letters A 32, № 26 (2017): 1750140. http://dx.doi.org/10.1142/s0217732317501401.

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We show the kinematic equivalence between cosmological models driven by Dirac–Born–Infeld (DBI) fields [Formula: see text] with constant proper velocity of the brane and exponential potential [Formula: see text], and interactive cosmological systems with modified holographic Ricci type fluids as dark energy (DE) in flat Friedmann–Robertson–Walker (FRW) cosmologies.
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