Geodesic
Multifield cosmology from string field theory: An exactly solvable approximation
Teoretičeskaâ i matematičeskaâ fizika, Tome 164 (2010) no. 3, pp. 401-409 Cet article a éte moissonné depuis la source Math-Net.Ru

Voir la notice de l'article

We consider the appearance of multiple scalar fields in string field theory-based nonlocal models with a single scalar field at large times. In this regime, all the scalar fields are free. This system minimally coupled to gravity can be analyzed approximately or numerically. We construct an exactly solvable model that has an exact solution in the cosmological scenario with the Friedmann metric and restores the asymptotic behavior expected from string field theory. We consider different applications of such a potential to multifield cosmological models.
Keywords: string field theory, phantom.
Mots-clés : cosmological perturbation 
@article{TMF_2010_164_3_a8,
     author = {F. Galli and A. S. Koshelev},
     title = {Multifield cosmology from string field theory: {An~exactly} solvable approximation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {401--409},
     year = {2010},
     volume = {164},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2010_164_3_a8/}
}
TY  - JOUR
AU  - F. Galli
AU  - A. S. Koshelev
TI  - Multifield cosmology from string field theory: An exactly solvable approximation
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 2010
SP  - 401
EP  - 409
VL  - 164
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/TMF_2010_164_3_a8/
LA  - ru
ID  - TMF_2010_164_3_a8
ER  - 
%0 Journal Article
%A F. Galli
%A A. S. Koshelev
%T Multifield cosmology from string field theory: An exactly solvable approximation
%J Teoretičeskaâ i matematičeskaâ fizika
%D 2010
%P 401-409
%V 164
%N 3
%U http://geodesic.mathdoc.fr/item/TMF_2010_164_3_a8/
%G ru
%F TMF_2010_164_3_a8
F. Galli; A. S. Koshelev. Multifield cosmology from string field theory: An exactly solvable approximation. Teoretičeskaâ i matematičeskaâ fizika, Tome 164 (2010) no. 3, pp. 401-409. http://geodesic.mathdoc.fr/item/TMF_2010_164_3_a8/

[1] K. Ohmori, A review on tachyon condensation in open string field theories, arXiv: hep-th/0102085

[2] L. Brekke, P. G. O. Freund, M. Olson, E. Witten, Nucl. Phys. B, 302:3 (1988), 365–402 ; P. H. Frampton, Ya. Okada, Phys. Rev. D, 37:10 (1988), 3077–3079 ; B. C. Владимиров, И. В. Волович, Е. И. Зеленов, $p$-Адический анализ и математическая физика, Наука, М., 1994 ; B. Dragovich, A. Yu. Khrennikov, S. V. Kozyrev, I. V. Volovich, Ultrametric Anal. Appl., 1:1 (2009), 1–17, arXiv: 0904.4205 | DOI | MR | DOI | MR | MR | MR | Zbl | DOI | MR | Zbl

[3] I. Ya. Aref'eva, “Nonlocal string tachyon as a model for cosmological dark energy”, $p$-Adic Mathematical Physcis, AIP Conf. Proc., 826, eds. A. Yu. Khrennikov, Z. Rakić, I. V. Volovich, AIP, New York, 2006, 301–311, arXiv: ; I. Ya. Aref'eva, “Stringy model of cosmological dark energy”, Particles, Strings, and Cosmology, AIP Conf. Proc., 957, eds. A. Rajantie, P. Dauncey, C. Contaldi, H. Stoica, AIP, New York, 2007, 297–300, arXiv: astro-ph/04104430710.3017 | DOI | MR | Zbl | DOI | MR | Zbl

[4] A. S. Koshelev, JHEP, 04 (2007), 029, 19 pp., arXiv: hep-th/0701103 | DOI | MR

[5] I. Ya. Aref'eva, A. S. Koshelev, JHEP, 09 (2008), 068, 20 pp., arXiv: 0804.3570 | DOI | MR

[6] A. S. Koshelev, S. Yu. Vernov, Cosmological perturbations in SFT inspired non-local scalar field models, arXiv: 0903.5176

[7] M. Ostrogradski, Mem. Ac. St. Petersburg, VI, 4 (1850), 385 | MR

[8] S. J. Perlmutter, G. Aldering, G. Goldhaber et al., Astrophys. J., 517:2 (1999), 565–586, arXiv: ; A. G. Riess, A. V. Filippenko, P. Challis et al., Astron. J., 116:3 (1998), 1009–1038, arXiv: ; A. G. Riess, L.-G. Strolger, J. Tonry et al., Astrophys. J., 607:2 (2004), 665–687, arXiv: ; R. A. Knop, G. Aldering, R. Amanullah, et al., Astrophys. J., 598:1 (2003), 102–137, arXiv: ; M. Tegmark et al. (the SDSS collaboration), Phys. Rev. D, 69:10 (2004), 103501, 26 pp., arXiv: ; D. N. Spergel, L. Verde, H. V. Peiris et al., Astrophys. J. Suppl., 148:1 (2003), 175–194, arXiv: ; P. Astier, J. Guy, N. Regnault et al., Astron. Astrophys., 447:1 (2006), 31–48, arXiv: ; W. M. Wood-Vasey, G. Miknaitis, C. W. Stubbs et al., Astrophys. J., 666:2 (2007), 694–715, arXiv: astro-ph/9812133astro-ph/9805201astro-ph/0402512astro-ph/0309368astro-ph/0310723v2astro-ph/0302209astro-ph/0510447astro-ph/0701041 | DOI | DOI | DOI | DOI | DOI | DOI | DOI | DOI

[9] E. Komatsu, J. Dunkley, M. R. Nolta et al., Astrophys. J. Suppl., 180:2 (2009), 330–376, arXiv: 0803.0547 | DOI

[10] T. Padmanabhan, Phys. Rep., 380:5–6 (2003), 235–320, arXiv: ; P. H. Frampton, Dark energy – a Pedagogic Review, arXiv: ; E. J. Copeland, M. Sami, Sh. Tsujikawa, Internat. J. Modern Phys., 15:11 (2006), 1753–1935, arXiv: ; A. Albrecht, G. Bernstein, R. Cahn et al., Report of the dark energy task force, arXiv: hep-th/0212290astro-ph/0409166hep-th/0603057astro-ph/0609591 | DOI | MR | Zbl | DOI | MR | Zbl

[11] I. Ya. Aref'eva, L. V. Joukovskaya, S. Yu. Vernov, J. Phys. A, 41:30 (2008), 304003, 14 pp., arXiv: 0711.1364 | DOI | MR | Zbl

[12] I. Ya. Aref'eva, L. V. Joukovskaya, S. Yu. Vernov, JHEP, 07 (2007), 087, 36 pp., arXiv: hep-th/0701184 | DOI | MR

[13] I. Ya. Aref'eva, N. V. Bulatov, S. Yu. Vernov, Stable exact solutions in cosmological models with two scalar fields, arXiv: 0911.5105 | MR

[14] J. M. Bardeen, Phys. Rev. D, 22:8 (1980), 1882–1905 | DOI | MR

[15] V. F. Mukhanov, H. A. Feldman, R. H. Brandenberger, Phys. Rep., 215:5–6 (1992), 203–333 ; V. F. Mukhanov, Physical Foundations of Cosmology, Cambridge Univ. Press, Cambridge, 2005 | DOI | MR | DOI | MR | Zbl

[16] J. Hwang, H. Noh, Class. Quant. Grav., 19:3 (2002), 527–549, arXiv: astro-ph/0103244 | DOI | MR | Zbl

[17] A. S. Koshelev, SFT non-locality in cosmology: solutions, perturbations and observational evidences, arXiv: 0912.5457