Early acceleration and adiabatic matter perturbations in a class of dilatonic dark-energy models
We estimate the growth of matter perturbations in a class of recently proposed dark-energy models based on the (loop-corrected) gravi-dilaton string effective action, and characterized by a global attractor epoch in which dark-matter and dark-energy density scale with the same effective equation of...
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Dokumenttyp: | Article (Journal) Kapitel/Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
2002
|
| In: |
Arxiv
|
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://arxiv.org/abs/astro-ph/0208032
|
| Verfasserangaben: | L. Amendola, M. Gasperini, D. Tocchini-Valentini and C. Ungarelli |
MARC
| LEADER | 00000caa a2200000 c 4500 | ||
|---|---|---|---|
| 001 | 1565450191 | ||
| 003 | DE-627 | ||
| 005 | 20220814023715.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 171117s2002 xx |||||o 00| ||eng c | ||
| 035 | |a (DE-627)1565450191 | ||
| 035 | |a (DE-576)495450197 | ||
| 035 | |a (DE-599)BSZ495450197 | ||
| 035 | |a (OCoLC)1340982261 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rda | ||
| 041 | |a eng | ||
| 084 | |a 29 |2 sdnb | ||
| 100 | 1 | |a Amendola, Luca |d 1963- |e VerfasserIn |0 (DE-588)1029171270 |0 (DE-627)732547482 |0 (DE-576)377045128 |4 aut | |
| 245 | 1 | 0 | |a Early acceleration and adiabatic matter perturbations in a class of dilatonic dark-energy models |c L. Amendola, M. Gasperini, D. Tocchini-Valentini and C. Ungarelli |
| 264 | 1 | |c 2002 | |
| 300 | |a 17 | ||
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a Computermedien |b c |2 rdamedia | ||
| 338 | |a Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Gesehen am 17.11.2017 | ||
| 520 | |a We estimate the growth of matter perturbations in a class of recently proposed dark-energy models based on the (loop-corrected) gravi-dilaton string effective action, and characterized by a global attractor epoch in which dark-matter and dark-energy density scale with the same effective equation of state. Unlike most dark-energy models, we find that the accelerated phase might start even at redshifts as high as z~5 (thus relaxing the coincidence problem), while still producing at present an acceptable level of matter fluctuations. We also show that such an early acceleration is not in conflict with the recently discovered supernova SN1997ff at z~1.7 . The comparison of the predicted value of sigma_{8} with the observational data provides interesting constraints on the fundamental parameters of the given model of dilaton-dark matter interactions. | ||
| 650 | 4 | |a High Energy Physics - Phenomenology | |
| 650 | 4 | |a General Relativity and Quantum Cosmology | |
| 650 | 4 | |a Astrophysics | |
| 773 | 0 | 8 | |i Enthalten in |t Arxiv |d Ithaca, NY : Cornell University, 1991 |g (2002) Artikel-Nummer 0208032, 17 Seiten |h Online-Ressource |w (DE-627)509006531 |w (DE-600)2225896-6 |w (DE-576)28130436X |7 nnas |a Early acceleration and adiabatic matter perturbations in a class of dilatonic dark-energy models |
| 773 | 1 | 8 | |g year:2002 |g extent:17 |a Early acceleration and adiabatic matter perturbations in a class of dilatonic dark-energy models |
| 856 | 4 | 0 | |u http://arxiv.org/abs/astro-ph/0208032 |x Verlag |z kostenfrei |3 Volltext |
| 951 | |a AR | ||
| 992 | |a 20171117 | ||
| 993 | |a Article | ||
| 998 | |g 1029171270 |a Amendola, Luca |m 1029171270:Amendola, Luca |p 1 |x j | ||
| 999 | |a KXP-PPN1565450191 |e 2987399707 | ||
| BIB | |a Y | ||
| JSO | |a {"origin":[{"dateIssuedKey":"2002","dateIssuedDisp":"2002"}],"id":{"eki":["1565450191"]},"name":{"displayForm":["L. Amendola, M. Gasperini, D. Tocchini-Valentini and C. Ungarelli"]},"physDesc":[{"extent":"17 S."}],"relHost":[{"note":["Gesehen am 28.05.2024"],"disp":"Early acceleration and adiabatic matter perturbations in a class of dilatonic dark-energy modelsArxiv","type":{"media":"Online-Ressource","bibl":"edited-book"},"language":["eng"],"recId":"509006531","pubHistory":["1991 -"],"part":{"year":"2002","text":"(2002) Artikel-Nummer 0208032, 17 Seiten","extent":"17"},"titleAlt":[{"title":"Arxiv.org"},{"title":"Arxiv.org e-print archive"},{"title":"Arxiv e-print archive"},{"title":"De.arxiv.org"}],"title":[{"title_sort":"Arxiv","title":"Arxiv"}],"physDesc":[{"extent":"Online-Ressource"}],"origin":[{"publisherPlace":"Ithaca, NY ; [Erscheinungsort nicht ermittelbar]","publisher":"Cornell University ; Arxiv.org","dateIssuedKey":"1991","dateIssuedDisp":"1991-"}],"id":{"eki":["509006531"],"zdb":["2225896-6"]}}],"title":[{"title":"Early acceleration and adiabatic matter perturbations in a class of dilatonic dark-energy models","title_sort":"Early acceleration and adiabatic matter perturbations in a class of dilatonic dark-energy models"}],"person":[{"role":"aut","roleDisplay":"VerfasserIn","display":"Amendola, Luca","given":"Luca","family":"Amendola"}],"note":["Gesehen am 17.11.2017"],"type":{"bibl":"chapter","media":"Online-Ressource"},"recId":"1565450191","language":["eng"]} | ||
| SRT | |a AMENDOLALUEARLYACCEL2002 | ||