Is the island universe model consistent with observations?

Abstract

We study the island universe model, in which initially the universe is in a cosmological constant sea, then the local quantum fluctuations violating the null energy condition create the islands of matter, some of which might corresponds to our observable universe. We examine the possibility that the island universe model is regarded as an alternative scenario of the origin of observable universe.

11 pages, 2 eps figures, RevTex4, some changes have been made partly according to the referees' comments, refs. added, published in PRD72, 103513 (2005)

References in corpus (6)

• B-Inflation
• Inflation with violation of the null energy condition
• Phantom inflation and the "Big Trip"
• Scalar perturbations in regular two-component bouncing cosmologies
• Patch dualities and remarks on nonstandard cosmologies
• Islands in the Lambda-sea: An alternative cosmological model

Cited by in corpus (17)

• Exploring Bouncing Cosmologies with Cosmological Surveys
• A Galileon Design of Slow Expansion
• Primordial perturbation with a modified dispersion relation
• Seeding of Primordial Perturbations During a Decelerated Expansion
• Adiabatic Spectra During Slowly Evolving
• Phantom Inflation with A Steplike Potential
• Primordial Perturbations During a Slow Expansion
• The local dust foregrounds in the microwave sky: I. Thermal emission spectra
• A Classical Treatment of Island Cosmology
• Galilean Islands in Eternally Inflating Background
• Entropy of Microwave Background Radiation in Observable Universe
• Island Cosmology in the Landscape
• Non-Gaussianity in Island Cosmology
• Emergently Thermalized Islands in the Landscape
• Scalar Perturbation Spectra in an Emergent Cosmological Island
• On Primordial Perturbations of Test Scalar Fields
• AdS cycles in eternally inflating background