Home > Research > Publications & Outputs > UV completion of the Starobinsky model, tensor-...

Research

Associated organisational units

Electronic data

  • PhysRevD.95.044004

    Rights statement: © 2017 American Physical Society

    Final published version, 209 KB, PDF document

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

Links

Text available via DOI:

View graph of relations

UV completion of the Starobinsky model, tensor-to-scalar ratio, and constraints on nonlocality

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

Published

Standard

UV completion of the Starobinsky model, tensor-to-scalar ratio, and constraints on nonlocality. / Edholm, James.
In: Physical Review D, Vol. 95, No. 4, 044004, 15.02.2017.

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

Harvard

Edholm, J 2017, 'UV completion of the Starobinsky model, tensor-to-scalar ratio, and constraints on nonlocality', Physical Review D, vol. 95, no. 4, 044004. https://doi.org/10.1103/PhysRevD.95.044004

APA

Edholm, J. (2017). UV completion of the Starobinsky model, tensor-to-scalar ratio, and constraints on nonlocality. Physical Review D, 95(4), Article 044004. https://doi.org/10.1103/PhysRevD.95.044004

Vancouver

Edholm J. UV completion of the Starobinsky model, tensor-to-scalar ratio, and constraints on nonlocality. Physical Review D. 2017 Feb 15;95(4):044004. Epub 2017 Feb 6. doi: 10.1103/PhysRevD.95.044004

Author

Edholm, James. / UV completion of the Starobinsky model, tensor-to-scalar ratio, and constraints on nonlocality. In: Physical Review D. 2017 ; Vol. 95, No. 4.

Bibtex

@article{5cc0b7fc421c48fd84fedd1d9d5b2232,
title = "UV completion of the Starobinsky model, tensor-to-scalar ratio, and constraints on nonlocality",
abstract = "In this paper, we build upon the successes of the ultraviolet (UV) completion of the Starobinsky model of inflation. This involves an extension of the Einstein-Hilbert term by an infinite covariant derivative theory of gravity which is quadratic in curvature. It has been shown that such a theory can potentially resolve the cosmological singularity for a flat, homogeneous and isotropic geometry, and now it can also provide a successful cosmological inflation model, which in the infrared regime matches all the predictions of the Starobinsky model of inflation. The aim of this paper is to show that the tensor-to-scalar ratio is modified by the scale of nonlocality, and in general a wider range of tensor-to-scalar ratios can be obtained in this class of model, which can put a lower bound on the scale of nonlocality for the first time as large as the O(10^14) GeV.",
author = "James Edholm",
note = "{\textcopyright} 2017 American Physical Society",
year = "2017",
month = feb,
day = "15",
doi = "10.1103/PhysRevD.95.044004",
language = "English",
volume = "95",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "4",

}

RIS

TY - JOUR

T1 - UV completion of the Starobinsky model, tensor-to-scalar ratio, and constraints on nonlocality

AU - Edholm, James

N1 - © 2017 American Physical Society

PY - 2017/2/15

Y1 - 2017/2/15

N2 - In this paper, we build upon the successes of the ultraviolet (UV) completion of the Starobinsky model of inflation. This involves an extension of the Einstein-Hilbert term by an infinite covariant derivative theory of gravity which is quadratic in curvature. It has been shown that such a theory can potentially resolve the cosmological singularity for a flat, homogeneous and isotropic geometry, and now it can also provide a successful cosmological inflation model, which in the infrared regime matches all the predictions of the Starobinsky model of inflation. The aim of this paper is to show that the tensor-to-scalar ratio is modified by the scale of nonlocality, and in general a wider range of tensor-to-scalar ratios can be obtained in this class of model, which can put a lower bound on the scale of nonlocality for the first time as large as the O(10^14) GeV.

AB - In this paper, we build upon the successes of the ultraviolet (UV) completion of the Starobinsky model of inflation. This involves an extension of the Einstein-Hilbert term by an infinite covariant derivative theory of gravity which is quadratic in curvature. It has been shown that such a theory can potentially resolve the cosmological singularity for a flat, homogeneous and isotropic geometry, and now it can also provide a successful cosmological inflation model, which in the infrared regime matches all the predictions of the Starobinsky model of inflation. The aim of this paper is to show that the tensor-to-scalar ratio is modified by the scale of nonlocality, and in general a wider range of tensor-to-scalar ratios can be obtained in this class of model, which can put a lower bound on the scale of nonlocality for the first time as large as the O(10^14) GeV.

U2 - 10.1103/PhysRevD.95.044004

DO - 10.1103/PhysRevD.95.044004

M3 - Journal article

VL - 95

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 4

M1 - 044004

ER -