2006
DOI: 10.1142/s0218271806009194
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A Comparison of Quintessence and Non-Linear Born–infeld Scalar Field Using Gold Supernova Data

Abstract: We study the Non-Linear Born-Infeld (NLBI) scalar field model and quintessence model with two different potentials (V (φ) = −sφ and 1 2 m 2 φ 2 ). We investigate the differences between these two models. We explore the equation of state parameter w and the evolution of scale factor a(t) in both the NLBI scalar field and quintessence model. The present age of universe and the transition redshift are also obtained. We use the Gold dataset of 157 SN-Ia to constrain the parameters of the two models. All the result… Show more

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Cited by 9 publications
(1 citation statement)
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“…Especially after the discovery of the accelerating expansion of universe, it has become another topic of hot discussion as the candidate for dark energy. There are so many scalar field dark energy models, such as the quintessence model [2][3][4][5][6][7][8][9][10][11][12][13], non-canonical scalar field model (including k-essence [14][15][16][17], phantom [18][19][20][21][22], B-I scalar field [23][24][25][26][27][28][29] and so on) and coupled scalar field model [30,31]. There are also detailed studies on the multi-scalar field models which give an effective state equation w eff passing through the phantom divide line (w = −1) [32][33][34].…”
Section: Introductionmentioning
confidence: 99%
“…Especially after the discovery of the accelerating expansion of universe, it has become another topic of hot discussion as the candidate for dark energy. There are so many scalar field dark energy models, such as the quintessence model [2][3][4][5][6][7][8][9][10][11][12][13], non-canonical scalar field model (including k-essence [14][15][16][17], phantom [18][19][20][21][22], B-I scalar field [23][24][25][26][27][28][29] and so on) and coupled scalar field model [30,31]. There are also detailed studies on the multi-scalar field models which give an effective state equation w eff passing through the phantom divide line (w = −1) [32][33][34].…”
Section: Introductionmentioning
confidence: 99%