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Cited by 552

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Structure Formation with a Self-Tuning Scalar Field

Open access
Ferreira, Pedro G., Joyce, Michael·1997·Physical Review Letters

Abstract

A scalar field with an exponential potential has the particular property that it is attracted into a solution in which its energy scales as the dominant component (radiation or matter) of the Universe, contributing a fixed fraction of the total energy density. We study the growth of perturbations in a cold dark matter dominated $\ensuremath{\Omega}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}1$ universe with this extra field, with an initial flat spectrum of adiabatic fluctuations. The observational constraints from structure formation are satisfied as well, or better, than in other models, with a contribution to the energy density from the scalar field ${\ensuremath{\Omega}}_{\ensuremath{\varphi}}\ensuremath{\sim}0.1$ which is small enough to be consistent with entry into the attractor prior to nucleosynthesis.

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Metadata

Authors
Ferreira, P. G., & Joyce, M.
Venue
Physical Review Letters
Published
1997-12-15
Volume
79
Issue
24
Pages
4740-4743
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2045288334
Cited by
552
References
1
FWCI
19.08
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Structure Formation with a Self-Tuning Scalar Field. https://app.cochat.ai/papers/10.1103/physrevlett.79.4740
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Ferreira, P. G., & Joyce, M. (1997). Structure Formation with a Self-Tuning Scalar Field. Physical Review Letters. https://doi.org/10.1103/physrevlett.79.4740

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