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Infinite Derivative Gravity: a finite number of predictions

Research output: ThesisDoctoral Thesis

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Infinite Derivative Gravity: a finite number of predictions. / Edholm, James.
Lancaster University, 2019. 138 p.

Research output: ThesisDoctoral Thesis

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Edholm J. Infinite Derivative Gravity: a finite number of predictions. Lancaster University, 2019. 138 p. doi: 10.17635/lancaster/thesis/518

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Bibtex

@phdthesis{18b283b6914f4fefa81b71955cf0a40b,
title = "Infinite Derivative Gravity: a finite number of predictions",
abstract = "Ghost-free Infinite Derivative Gravity (IDG) is a modifed gravity theorywhich can avoid the singularities predicted by General Relativity.This thesis examines the effect of IDG on four areas of importancefor theoretical cosmologists and experimentalists. First, the gravitationalpotential produced by a point source is derived and comparedto experimental evidence, around both Minkowski and (Anti)de Sitter backgrounds. Second, the conditions necessary for avoidanceof singularities for perturbations around Minkowski and (Anti)de Sitter spacetimes are found, as well as for background Friedmann-Robertson-Walker spacetimes. Third, the modification to perturbationsduring primordial inflation is derived and shown to give a constrainton the mass scale of IDG, and to allow further tests of thetheory. Finally, the effect of IDG on the production and propagationof gravitational waves is derived and it is shown that IDG givesalmost precisely the same predictions as General Relativity for thepower emitted by a binary system.",
author = "James Edholm",
year = "2019",
doi = "10.17635/lancaster/thesis/518",
language = "English",
publisher = "Lancaster University",
school = "Lancaster University",

}

RIS

TY - BOOK

T1 - Infinite Derivative Gravity

T2 - a finite number of predictions

AU - Edholm, James

PY - 2019

Y1 - 2019

N2 - Ghost-free Infinite Derivative Gravity (IDG) is a modifed gravity theorywhich can avoid the singularities predicted by General Relativity.This thesis examines the effect of IDG on four areas of importancefor theoretical cosmologists and experimentalists. First, the gravitationalpotential produced by a point source is derived and comparedto experimental evidence, around both Minkowski and (Anti)de Sitter backgrounds. Second, the conditions necessary for avoidanceof singularities for perturbations around Minkowski and (Anti)de Sitter spacetimes are found, as well as for background Friedmann-Robertson-Walker spacetimes. Third, the modification to perturbationsduring primordial inflation is derived and shown to give a constrainton the mass scale of IDG, and to allow further tests of thetheory. Finally, the effect of IDG on the production and propagationof gravitational waves is derived and it is shown that IDG givesalmost precisely the same predictions as General Relativity for thepower emitted by a binary system.

AB - Ghost-free Infinite Derivative Gravity (IDG) is a modifed gravity theorywhich can avoid the singularities predicted by General Relativity.This thesis examines the effect of IDG on four areas of importancefor theoretical cosmologists and experimentalists. First, the gravitationalpotential produced by a point source is derived and comparedto experimental evidence, around both Minkowski and (Anti)de Sitter backgrounds. Second, the conditions necessary for avoidanceof singularities for perturbations around Minkowski and (Anti)de Sitter spacetimes are found, as well as for background Friedmann-Robertson-Walker spacetimes. Third, the modification to perturbationsduring primordial inflation is derived and shown to give a constrainton the mass scale of IDG, and to allow further tests of thetheory. Finally, the effect of IDG on the production and propagationof gravitational waves is derived and it is shown that IDG givesalmost precisely the same predictions as General Relativity for thepower emitted by a binary system.

U2 - 10.17635/lancaster/thesis/518

DO - 10.17635/lancaster/thesis/518

M3 - Doctoral Thesis

PB - Lancaster University

ER -