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Related papers: Born-Infeld Type Phantom Model in the $\omega-\ome…

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Recent many physicists suggest that the dark energy in the universe might result from the Born-Infeld(B-I) type scalar field of string theory. The universe of B-I type scalar field with potential can undergo a phase of accelerating…

High Energy Physics - Theory · Physics 2009-11-10 H. Q. Lu

Recent analysis of the observation data indicates that the equation of state of the dark energy might be smaller than -1, which leads to the introduction of phantom models featured by its negative kinetic energy to account for the regime of…

High Energy Physics - Theory · Physics 2009-11-10 Jian-gang Hao , Xin-zhou Li

In this paper, we consider a quantum model of gravitation interacting with a Born-Infeld(B-I) type scalar field $\phi$. The corresponding Wheeler-Dewitt equation can be solved analytically for both very large and small cosmological scale…

High Energy Physics - Theory · Physics 2007-05-23 H. Q. Lu , Z. G. Huang , W. Fang , P. Y. Ji

We study the evolution of Born-Infeld-type phantom in the second Randall-Sundrum brane scenario, and find that there exists attractor solution for the potential with a maximum, which implies a cosmological constant at the late time.…

High Energy Physics - Theory · Physics 2009-11-10 Dao-jun Liu , Xin-zhou Li

We examine phantom dark energy models derived from a scalar field with a negative kinetic term for which V(phi) approaches infinity asymptotically. All such models can be divided into three classes, corresponding to an equation of state…

Astrophysics · Physics 2009-11-11 Jens Kujat , Robert J. Scherrer , A. A. Sen

Applying the parametrization of dark energy density, we can construct directly independent-model potentials. In Born-Infeld type phantom dark energy model, we consider four special parametrization equation of state parameter. The evolutive…

High Energy Physics - Theory · Physics 2009-10-29 Z. G. Huang , H. Q. Lu , W. Fang

In light of recent study on the dark energy models that manifest an equation of state $w<-1$, we investigate the cosmological evolution of phantom field in a specific potential, exponential potential in this paper. The phase plane analysis…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Jian-gang Hao , Xin-zhou Li

Quantum corrections coming from massless fields conformally coupled with gravity are studied, in order to see if they can lead to avoidance of the annoying Big Rip singularity which shows up in a flat Friedmann-Robertson-Walker universe…

General Relativity and Quantum Cosmology · Physics 2014-05-08 Jaume de Haro , Jaume Amoros , Emilio Elizalde

We argue that Einstein gravity coupled to a Born-Infeld theory provides an attractive candidate to represent dark matter and dark energy. For cosmological models, the Born-Infeld field has an equation of state which interpolates between…

High Energy Physics - Theory · Physics 2013-03-11 Maximo Banados

We construct new gravitational vacuum star solutions with a Born-Infeld phantom replacing the de Sitter interior. The model allows for a wide range of masses and radii required by phenomenology, and can be motivated from low energy string…

Astrophysics · Physics 2009-11-10 Neven Bilic , Gary B. Tupper , Raoul D. Viollier

In this paper, we describe a way to construct a class of dark energy models that admit late time de Sitter attractor solution. In the canonical scalar and Born-Infeld scalar dark energy models, we show mathematically that a simple…

High Energy Physics - Theory · Physics 2009-11-10 Jian-gang Hao , Xin-zhou Li

In this paper, we consider black holes in the consistent Aoki-Gorji-Mukohyama theory of the four-dimensional Einstein-Gauss-Bonnet (4D EGB) gravity in the presence of Born-Infeld (BI) nonlinear electrodynamics. We study several optical…

General Relativity and Quantum Cosmology · Physics 2021-04-07 Khadije Jafarzade , Mahdi Kord Zangeneh , Francisco S. N. Lobo

Models where the dark energy is a scalar field with a non-standard Dirac-Born-Infeld (DBI) kinetic term are investigated. Scaling solutions are studied and proven to be attractors. The corresponding shape of the brane tension and of the…

High Energy Physics - Theory · Physics 2008-11-26 Jerome Martin , Masahide Yamaguchi

In this paper, we regard dilaton in Weyl-scaled induced gravitational theory as a coupled quintessence. Based on this consideration, we investigate the dilaton coupled quintessence(DCQ) model in $\omega-\omega'$ plane, which is defined by…

High Energy Physics - Theory · Physics 2008-11-26 Z. G. Huang , H. Q. Lu , W. Fang

We investigate unattractor behavior in non-extremal black holes in Einstein-Born-Infeld-Dilaton theory of gravity in four-dimensional asymptotically flat spacetime. We obtain solutions which are non-singular near the horizon and dependent…

High Energy Physics - Theory · Physics 2007-06-15 Sangheon Yun

Scalar field models with non-standard kinetic terms have been proposed in the context of k-inflation, of Born-Infeld lagrangians, of phantom energy and, more in general, of low-energy string theory. In general, scalar fields are expected to…

High Energy Physics - Theory · Physics 2009-11-10 Luca Amendola

We find that the expansion of the universe is accelerating by analyzing the recent observation data of type $\textsc{I}a$ supernova(SN-Ia) .It indicates that the equation of state of the dark energy might be smaller than -1,which leads to…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Zu-Yao Sun , You-Gen Shen

We introduce an extension of the Born-Infeld action for a scalar field and show that it can act as unifying-dark-matter, providing an explanation for both structure formation and the accelerated expansion of the universe. We investigate the…

Astrophysics · Physics 2010-12-09 M. Novello , M. Makler , L. S. Werneck , C. A. Romero

Using a new method--statefinder diagnostic which can differ one dark energy model from the others, we investigate in this letter the dynamics of Born-Infeld(B-I) type dark energy model. The evolutive trajectory of B-I type dark energy with…

High Energy Physics - Theory · Physics 2008-11-25 Z. G. Huang , H. Q. Lu

We investigate the attractor mechanism for spherically symmetric extremal black holes in Einstein-Born-Infeld-dilaton theory of gravity in four-dimensions, in the presence of a cosmological constant. We look for solutions analytic near the…

High Energy Physics - Theory · Physics 2010-02-03 Xian Gao
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