Home > Research > Publications & Outputs > Ultra slow-roll inflation demystified

Research

Links

Text available via DOI:

View graph of relations

Ultra slow-roll inflation demystified

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

Published

Standard

Ultra slow-roll inflation demystified. / Dimopoulos, Konstantinos.
In: Physics Letters B, Vol. 775, 10.12.2017, p. 262-265.

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

Harvard

Dimopoulos, K 2017, 'Ultra slow-roll inflation demystified', Physics Letters B, vol. 775, pp. 262-265. https://doi.org/10.1016/j.physletb.2017.10.066

APA

Dimopoulos, K. (2017). Ultra slow-roll inflation demystified. Physics Letters B, 775, 262-265. https://doi.org/10.1016/j.physletb.2017.10.066

Vancouver

Dimopoulos K. Ultra slow-roll inflation demystified. Physics Letters B. 2017 Dec 10;775:262-265. Epub 2017 Oct 31. doi: 10.1016/j.physletb.2017.10.066

Author

Dimopoulos, Konstantinos. / Ultra slow-roll inflation demystified. In: Physics Letters B. 2017 ; Vol. 775. pp. 262-265.

Bibtex

@article{618255616d6e45e7990bd7c5e1836c6d,
title = "Ultra slow-roll inflation demystified",
abstract = "Abstract Ultra-slow-roll (USR) inflation is a new mode of inflation which corresponds to the occasions when the inflaton field must traverse an extremely flat part of the scalar potential, when the usual slow-roll (SR) fails. We investigate USR and obtain an estimate for how long it lasts, given the initial kinetic density of the inflaton. We also find that, if the initial kinetic density is small enough, USR can be avoided and the usual SR treatment is valid. This has important implications for inflection-point inflation.",
author = "Konstantinos Dimopoulos",
year = "2017",
month = dec,
day = "10",
doi = "10.1016/j.physletb.2017.10.066",
language = "English",
volume = "775",
pages = "262--265",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Ultra slow-roll inflation demystified

AU - Dimopoulos, Konstantinos

PY - 2017/12/10

Y1 - 2017/12/10

N2 - Abstract Ultra-slow-roll (USR) inflation is a new mode of inflation which corresponds to the occasions when the inflaton field must traverse an extremely flat part of the scalar potential, when the usual slow-roll (SR) fails. We investigate USR and obtain an estimate for how long it lasts, given the initial kinetic density of the inflaton. We also find that, if the initial kinetic density is small enough, USR can be avoided and the usual SR treatment is valid. This has important implications for inflection-point inflation.

AB - Abstract Ultra-slow-roll (USR) inflation is a new mode of inflation which corresponds to the occasions when the inflaton field must traverse an extremely flat part of the scalar potential, when the usual slow-roll (SR) fails. We investigate USR and obtain an estimate for how long it lasts, given the initial kinetic density of the inflaton. We also find that, if the initial kinetic density is small enough, USR can be avoided and the usual SR treatment is valid. This has important implications for inflection-point inflation.

U2 - 10.1016/j.physletb.2017.10.066

DO - 10.1016/j.physletb.2017.10.066

M3 - Journal article

VL - 775

SP - 262

EP - 265

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

ER -