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String-inspired infinite-derivative theories of gravity: a brief overview

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String-inspired infinite-derivative theories of gravity : a brief overview. / Biswas, Tirthabir; Talaganis, Spyridon.

In: Modern Physics Letters A, Vol. 30, No. 03n04, 1540009, 23.01.2015.

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Biswas, Tirthabir ; Talaganis, Spyridon. / String-inspired infinite-derivative theories of gravity : a brief overview. In: Modern Physics Letters A. 2015 ; Vol. 30, No. 03n04.

Bibtex

@article{caa4cf599fee492882386c9a15aa9f27,
title = "String-inspired infinite-derivative theories of gravity: a brief overview",
abstract = "In String Theory, there often appears a rather interesting class of higher derivative theories containing an infinite set of derivatives in the form of an exponential. These theories may provide a way to tame ultraviolet (UV) divergences without introducing ghost-like states. Here we provide a brief overview on the progress that has been made over the last decade to construct such infinite-derivative theories of gravity (IDG) which may be able to address the singularity problems in gravity. In the process, we will present some general results that applies to covariant torsion-free metric theories of gravity.",
keywords = "Spacetime singularities, modifications of general relativity, metric perturbations",
author = "Tirthabir Biswas and Spyridon Talaganis",
year = "2015",
month = jan,
day = "23",
doi = "10.1142/S021773231540009X",
language = "English",
volume = "30",
journal = "Modern Physics Letters A",
issn = "0217-7323",
publisher = "World Scientific Publishing Co.",
number = "03n04",

}

RIS

TY - JOUR

T1 - String-inspired infinite-derivative theories of gravity

T2 - a brief overview

AU - Biswas, Tirthabir

AU - Talaganis, Spyridon

PY - 2015/1/23

Y1 - 2015/1/23

N2 - In String Theory, there often appears a rather interesting class of higher derivative theories containing an infinite set of derivatives in the form of an exponential. These theories may provide a way to tame ultraviolet (UV) divergences without introducing ghost-like states. Here we provide a brief overview on the progress that has been made over the last decade to construct such infinite-derivative theories of gravity (IDG) which may be able to address the singularity problems in gravity. In the process, we will present some general results that applies to covariant torsion-free metric theories of gravity.

AB - In String Theory, there often appears a rather interesting class of higher derivative theories containing an infinite set of derivatives in the form of an exponential. These theories may provide a way to tame ultraviolet (UV) divergences without introducing ghost-like states. Here we provide a brief overview on the progress that has been made over the last decade to construct such infinite-derivative theories of gravity (IDG) which may be able to address the singularity problems in gravity. In the process, we will present some general results that applies to covariant torsion-free metric theories of gravity.

KW - Spacetime singularities

KW - modifications of general relativity

KW - metric perturbations

U2 - 10.1142/S021773231540009X

DO - 10.1142/S021773231540009X

M3 - Journal article

VL - 30

JO - Modern Physics Letters A

JF - Modern Physics Letters A

SN - 0217-7323

IS - 03n04

M1 - 1540009

ER -