Results 31 to 40 of about 45,707 (265)

Rotating scalar field wormhole [PDF]

open access: yesClassical and Quantum Gravity, 2006
Sign of the exponential in equation (10) has been changed.
Matos, Tonatiuh, Nunez, Dario
openaire   +2 more sources

R2 quantum corrected scalar field inflation

open access: yesNuclear Physics B, 2022
String theory enjoys an elevated role among quantum gravity theories, since it seems to be the most consistent UV completion of general relativity and the Standard Model.
V.K. Oikonomou, Ifigeneia Giannakoudi
doaj   +1 more source

Quantization of Einstein-aether scalar field cosmology

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
We present, for the first time, the quantization process for the Einstein-aether scalar field cosmology. We consider a cosmological theory proposed as a Lorentz violating inflationary model, where the aether and scalar fields interact through the ...
N. Dimakis   +5 more
doaj   +1 more source

Reformulating scalar–tensor field theories as scalar–scalar field theories using a novel geometry

open access: yesPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2022
In this paper, I shall show how the notions of Finsler geometry can be used to construct a similar geometry using a scalar field, f , on the cotangent bundle of a differentiable manifold M . This will enable me to use the second vertical derivatives of f , along with ...
openaire   +3 more sources

Interacting generalized anisotropic scalar field models

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
This paper is devoted to investigate the interacting generalized ghost pilgrim dark energy model in the background of anisotropic universe in general relativity.
Wajiha Javed   +2 more
doaj   +1 more source

Entropic quantization of scalar fields [PDF]

open access: yesAIP Conference Proceedings, 2015
10 pages. Presented at MaxEnt 2014, the 34th International Workshop on Bayesian Inference and Maximum Entropy Methods in Science and Engineering (September 21--26, 2014, Amboise, France)
Ipek, Selman, Caticha, Ariel
openaire   +2 more sources

Fractional Scalar Field Cosmology

open access: yesFractal and Fractional
Considering the Friedmann–Lemaître–Robertson–Walker (FLRW) metric and the Einstein scalar field system as an underlying gravitational model to construct fractional cosmological models has interesting implications in both classical and quantum regimes ...
Seyed Meraj Mousavi Rasouli   +2 more
doaj   +1 more source

Stability of a Noncanonical Scalar Field Model during Cosmological Date

open access: yesAdvances in High Energy Physics, 2016
Using the noncanonical model of scalar field, the cosmological consequences of a pervasive, self-interacting, homogeneous, and rolling scalar field are studied.
Z. Ossoulian   +3 more
doaj   +1 more source

Dynamical Analysis of Scalar Field Cosmologies with Spatial Curvature

open access: yesThe Open Journal of Astrophysics, 2016
We explore the dynamical behaviour of cosmological models involving a scalar field (with an exponential potential and a canonical kinetic term) and a matter fluid with spatial curvature included in the equations of motion.
Mateja Gosenca, Peter Coles
doaj   +1 more source

Analysis of Flow Characteristics of Turbulent Plane Jets Based on Velocity and Scalar Fields Using DNS

open access: yesJournal of Fluid Science and Technology, 2013
Turbulent plane jets are prototypical free shear flows on which fundamental research can expand the overall understanding of turbulent flows. In this study, flow characteristics of the turbulent plane jets are studied by means of direct numerical ...
Nannan WU   +5 more
doaj   +1 more source

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