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Classical and quantum initial conditions for Higgs inflation

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

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Classical and quantum initial conditions for Higgs inflation. / Salvio, Alberto; Mazumdar, Anupam.
In: Physics Letters B, Vol. 750, 12.11.2015, p. 194-200.

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

Harvard

Salvio, A & Mazumdar, A 2015, 'Classical and quantum initial conditions for Higgs inflation', Physics Letters B, vol. 750, pp. 194-200. https://doi.org/10.1016/j.physletb.2015.09.020

APA

Salvio, A., & Mazumdar, A. (2015). Classical and quantum initial conditions for Higgs inflation. Physics Letters B, 750, 194-200. https://doi.org/10.1016/j.physletb.2015.09.020

Vancouver

Salvio A, Mazumdar A. Classical and quantum initial conditions for Higgs inflation. Physics Letters B. 2015 Nov 12;750:194-200. Epub 2015 Sept 11. doi: 10.1016/j.physletb.2015.09.020

Author

Salvio, Alberto ; Mazumdar, Anupam. / Classical and quantum initial conditions for Higgs inflation. In: Physics Letters B. 2015 ; Vol. 750. pp. 194-200.

Bibtex

@article{cb9867ecc98e42c2b61a133a24596d9f,
title = "Classical and quantum initial conditions for Higgs inflation",
abstract = "We investigate whether Higgs inflation can occur in the Standard Model starting from natural initial conditions or not. The Higgs has a non-minimal coupling to the Ricci scalar. We confine our attention to the regime where quantum Einstein gravity effects are small in order to have results that are independent of the ultraviolet completion of gravity. At the classical level we find no tuning is required to have a successful Higgs inflation, provided the initial homogeneity condition is satisfied. On the other hand, at the quantum level we obtain that the renormalization for large non-minimal coupling requires an additional degree of freedom that transforms Higgs inflation into Starobinsky $R^2$ inflation, unless a tuning of the initial values of the running parameters is made.",
keywords = "hep-ph, astro-ph.CO, hep-th",
author = "Alberto Salvio and Anupam Mazumdar",
note = "Open Access funded by SCOAP³ - Sponsoring Consortium for Open Access Publishing in Particle Physics Under a Creative Commons license",
year = "2015",
month = nov,
day = "12",
doi = "10.1016/j.physletb.2015.09.020",
language = "English",
volume = "750",
pages = "194--200",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Classical and quantum initial conditions for Higgs inflation

AU - Salvio, Alberto

AU - Mazumdar, Anupam

N1 - Open Access funded by SCOAP³ - Sponsoring Consortium for Open Access Publishing in Particle Physics Under a Creative Commons license

PY - 2015/11/12

Y1 - 2015/11/12

N2 - We investigate whether Higgs inflation can occur in the Standard Model starting from natural initial conditions or not. The Higgs has a non-minimal coupling to the Ricci scalar. We confine our attention to the regime where quantum Einstein gravity effects are small in order to have results that are independent of the ultraviolet completion of gravity. At the classical level we find no tuning is required to have a successful Higgs inflation, provided the initial homogeneity condition is satisfied. On the other hand, at the quantum level we obtain that the renormalization for large non-minimal coupling requires an additional degree of freedom that transforms Higgs inflation into Starobinsky $R^2$ inflation, unless a tuning of the initial values of the running parameters is made.

AB - We investigate whether Higgs inflation can occur in the Standard Model starting from natural initial conditions or not. The Higgs has a non-minimal coupling to the Ricci scalar. We confine our attention to the regime where quantum Einstein gravity effects are small in order to have results that are independent of the ultraviolet completion of gravity. At the classical level we find no tuning is required to have a successful Higgs inflation, provided the initial homogeneity condition is satisfied. On the other hand, at the quantum level we obtain that the renormalization for large non-minimal coupling requires an additional degree of freedom that transforms Higgs inflation into Starobinsky $R^2$ inflation, unless a tuning of the initial values of the running parameters is made.

KW - hep-ph

KW - astro-ph.CO

KW - hep-th

U2 - 10.1016/j.physletb.2015.09.020

DO - 10.1016/j.physletb.2015.09.020

M3 - Journal article

VL - 750

SP - 194

EP - 200

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

ER -