Cosmology with a dynamically screened scalar interaction in the dark sector

Steven S. Gubser; P. J.E. Peebles

doi:10.1103/PhysRevD.70.123511

Cosmology with a dynamically screened scalar interaction in the dark sector

Steven S. Gubser
, P. J.E. Peebles

Physics

Research output: Contribution to journal › Article › peer-review

62 Scopus citations

Abstract

Motivated in part by string theory, we consider a modification of the ACDM cosmological mode) in which the dark matter has a long-range scalar force screened by light particles. Scalar forces can have interesting effects on structure formation: the main example presented here is the expulsion of dark matter halos from low density regions, or voids, in the galaxy distribution.

Original language	English (US)
Article number	123511
Pages (from-to)	123511-1-123511-14
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	70
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.70.123511
State	Published - Dec 2004

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.70.123511

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title = "Cosmology with a dynamically screened scalar interaction in the dark sector",

abstract = "Motivated in part by string theory, we consider a modification of the ACDM cosmological mode) in which the dark matter has a long-range scalar force screened by light particles. Scalar forces can have interesting effects on structure formation: the main example presented here is the expulsion of dark matter halos from low density regions, or voids, in the galaxy distribution.",

author = "Gubser, \{Steven S.\} and Peebles, \{P. J.E.\}",

note = "Funding Information: We thank N. Dalal, G. Farrar, B. Metcalf, C. Vafa, and E. Witten for discussions. The work of SSG was supported in part by the Department of Energy under Grant No. DE-FG02-91ER40671, and by the Sloan Foundation.",

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language = "English (US)",

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T1 - Cosmology with a dynamically screened scalar interaction in the dark sector

AU - Gubser, Steven S.

AU - Peebles, P. J.E.

N1 - Funding Information: We thank N. Dalal, G. Farrar, B. Metcalf, C. Vafa, and E. Witten for discussions. The work of SSG was supported in part by the Department of Energy under Grant No. DE-FG02-91ER40671, and by the Sloan Foundation.

PY - 2004/12

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N2 - Motivated in part by string theory, we consider a modification of the ACDM cosmological mode) in which the dark matter has a long-range scalar force screened by light particles. Scalar forces can have interesting effects on structure formation: the main example presented here is the expulsion of dark matter halos from low density regions, or voids, in the galaxy distribution.

AB - Motivated in part by string theory, we consider a modification of the ACDM cosmological mode) in which the dark matter has a long-range scalar force screened by light particles. Scalar forces can have interesting effects on structure formation: the main example presented here is the expulsion of dark matter halos from low density regions, or voids, in the galaxy distribution.

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DO - 10.1103/PhysRevD.70.123511

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SP - 123511-1-123511-14

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 12

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ER -

Cosmology with a dynamically screened scalar interaction in the dark sector

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