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  • 1511.07835

    Accepted author manuscript, 77.8 KB, PDF document

    Available under license: CC BY: Creative Commons Attribution 4.0 International License

  • 1511.07835v3

    Rights statement: © 2016 American Physical Society

    Accepted author manuscript, 77.8 KB, PDF document

    Available under license: CC BY: Creative Commons Attribution 4.0 International License

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Nonminimally coupled inflation with initial conditions from a preinflation anamorphic contracting era

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Nonminimally coupled inflation with initial conditions from a preinflation anamorphic contracting era. / McDonald, John.
In: Physical Review D, Vol. 94, No. 4, 043514, 12.08.2016.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

McDonald, J 2016, 'Nonminimally coupled inflation with initial conditions from a preinflation anamorphic contracting era', Physical Review D, vol. 94, no. 4, 043514. https://doi.org/10.1103/PhysRevD.94.043514

APA

McDonald, J. (2016). Nonminimally coupled inflation with initial conditions from a preinflation anamorphic contracting era. Physical Review D, 94(4), Article 043514. https://doi.org/10.1103/PhysRevD.94.043514

Vancouver

McDonald J. Nonminimally coupled inflation with initial conditions from a preinflation anamorphic contracting era. Physical Review D. 2016 Aug 12;94(4):043514. doi: 10.1103/PhysRevD.94.043514

Author

McDonald, John. / Nonminimally coupled inflation with initial conditions from a preinflation anamorphic contracting era. In: Physical Review D. 2016 ; Vol. 94, No. 4.

Bibtex

@article{672f58e4253142838d92888a66e33c77,
title = "Nonminimally coupled inflation with initial conditions from a preinflation anamorphic contracting era",
abstract = "Inflation due to a non-minimally coupled scalar field with a large non-minimal coupling, as first proposed by Salopek, Bardeen and Bond (SBB), is in good agreement with the observed value of the spectral index and constraints on the tensor-to-scalar ratio. Here we explore the possibility that SBB inflation represents the late stage of a Universe which emerges from an early contracting era. We present a model in which the Universe smoothly transitions from an anamorphic contracting era to late-time SBB inflation without encountering a singular bounce. This corresponds to a continuous expansion in the Einstein frame throughout. We show that the anamorphic contracting era is able to provide the smooth superhorizon initial conditions necessary for subsequent SBB inflation to occur. The model predicts corrections to the non-minimal coupling, kinetic term and potential of SBB inflation which can observably increase the observed spectral index relative to its SBB prediction.",
keywords = "astro-ph.CO, gr-qc, hep-ph, hep-th",
author = "John McDonald",
note = "{\textcopyright} 2015 American Physical Society",
year = "2016",
month = aug,
day = "12",
doi = "10.1103/PhysRevD.94.043514",
language = "English",
volume = "94",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "4",

}

RIS

TY - JOUR

T1 - Nonminimally coupled inflation with initial conditions from a preinflation anamorphic contracting era

AU - McDonald, John

N1 - © 2015 American Physical Society

PY - 2016/8/12

Y1 - 2016/8/12

N2 - Inflation due to a non-minimally coupled scalar field with a large non-minimal coupling, as first proposed by Salopek, Bardeen and Bond (SBB), is in good agreement with the observed value of the spectral index and constraints on the tensor-to-scalar ratio. Here we explore the possibility that SBB inflation represents the late stage of a Universe which emerges from an early contracting era. We present a model in which the Universe smoothly transitions from an anamorphic contracting era to late-time SBB inflation without encountering a singular bounce. This corresponds to a continuous expansion in the Einstein frame throughout. We show that the anamorphic contracting era is able to provide the smooth superhorizon initial conditions necessary for subsequent SBB inflation to occur. The model predicts corrections to the non-minimal coupling, kinetic term and potential of SBB inflation which can observably increase the observed spectral index relative to its SBB prediction.

AB - Inflation due to a non-minimally coupled scalar field with a large non-minimal coupling, as first proposed by Salopek, Bardeen and Bond (SBB), is in good agreement with the observed value of the spectral index and constraints on the tensor-to-scalar ratio. Here we explore the possibility that SBB inflation represents the late stage of a Universe which emerges from an early contracting era. We present a model in which the Universe smoothly transitions from an anamorphic contracting era to late-time SBB inflation without encountering a singular bounce. This corresponds to a continuous expansion in the Einstein frame throughout. We show that the anamorphic contracting era is able to provide the smooth superhorizon initial conditions necessary for subsequent SBB inflation to occur. The model predicts corrections to the non-minimal coupling, kinetic term and potential of SBB inflation which can observably increase the observed spectral index relative to its SBB prediction.

KW - astro-ph.CO

KW - gr-qc

KW - hep-ph

KW - hep-th

U2 - 10.1103/PhysRevD.94.043514

DO - 10.1103/PhysRevD.94.043514

M3 - Journal article

VL - 94

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 4

M1 - 043514

ER -