Primordial bubbles from quadratic gravity

• Verfasst von: Occhionero, Franco [VerfasserIn]
• Verfasst von: Amendola, Luca [VerfasserIn]
• Titel: Primordial bubbles from quadratic gravity
• Verf.angabe: Franco Occhionero and Luca Amendola
• Umfang: 7 S.
• Fussnoten: Gesehen am 21.11.2017
• Titel Quelle: Enthalten in: Physical review / D
• Jahr Quelle: 1994
• Band/Heft Quelle: 50(1994), 8, S. 4846-4852
• ISSN Quelle: 1550-2368
• ISSN Quelle: 1089-4918
• DOI: doi:10.1103/PhysRevD.50.4846
• Datenträger: Online-Ressource
• Sprache: eng
• K10plus-PPN: 1565546172

Abstract

A toy model of inflation with a first order phase transition built on a nonminimal generalization of quadratic gravity effectively implements a two field inflation and copiously spurs bubbles before the end of the slow roll. In particular, the phase transition may be brought to completion quickly enough to leave an observable signature at the large scales. We identify analytically and numerically the parameter space region capable of fitting the observed galaxy correlation function, while passing the microwave background constraints. Thus, astronomical observations can yield information upon the parameters of fundamental physics.