Modified gravity from the nonperturbative quantization of a metric

Based on certain assumptions for the expectation value of a product of the quantum fluctuating metric at two points, the gravitational and scalar field Lagrangians are evaluated. Assuming a vanishing expectation value of the first-order terms of the metric, the calculations are performed with an acc...

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Detalles Bibliográficos
Autores principales: Dzhunushaliev, Vladimir, Folomeev, Vladimir, Kleihaus, Burkhard, Kunz, Jutta
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2015
Materias:
Regular Article - Theoretical Physics
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4423866/
https://www.ncbi.nlm.nih.gov/pubmed/25983651
http://dx.doi.org/10.1140/epjc/s10052-015-3398-5
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author Dzhunushaliev, Vladimir
Folomeev, Vladimir
Kleihaus, Burkhard
Kunz, Jutta
author_facet Dzhunushaliev, Vladimir
Folomeev, Vladimir
Kleihaus, Burkhard
Kunz, Jutta
author_sort Dzhunushaliev, Vladimir
collection PubMed
description Based on certain assumptions for the expectation value of a product of the quantum fluctuating metric at two points, the gravitational and scalar field Lagrangians are evaluated. Assuming a vanishing expectation value of the first-order terms of the metric, the calculations are performed with an accuracy of second order. It is shown that such quantum corrections give rise to modified gravity.
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spelling pubmed-44238662015-05-13 Modified gravity from the nonperturbative quantization of a metric Dzhunushaliev, Vladimir Folomeev, Vladimir Kleihaus, Burkhard Kunz, Jutta Eur Phys J C Part Fields Regular Article - Theoretical Physics Based on certain assumptions for the expectation value of a product of the quantum fluctuating metric at two points, the gravitational and scalar field Lagrangians are evaluated. Assuming a vanishing expectation value of the first-order terms of the metric, the calculations are performed with an accuracy of second order. It is shown that such quantum corrections give rise to modified gravity. Springer Berlin Heidelberg 2015-04-21 2015 /pmc/articles/PMC4423866/ /pubmed/25983651 http://dx.doi.org/10.1140/epjc/s10052-015-3398-5 Text en © The Author(s) 2015 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Funded by SCOAP3.
spellingShingle Regular Article - Theoretical Physics
Dzhunushaliev, Vladimir
Folomeev, Vladimir
Kleihaus, Burkhard
Kunz, Jutta
Modified gravity from the nonperturbative quantization of a metric
title Modified gravity from the nonperturbative quantization of a metric
title_full Modified gravity from the nonperturbative quantization of a metric
title_fullStr Modified gravity from the nonperturbative quantization of a metric
title_full_unstemmed Modified gravity from the nonperturbative quantization of a metric
title_short Modified gravity from the nonperturbative quantization of a metric
title_sort modified gravity from the nonperturbative quantization of a metric
topic Regular Article - Theoretical Physics
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4423866/
https://www.ncbi.nlm.nih.gov/pubmed/25983651
http://dx.doi.org/10.1140/epjc/s10052-015-3398-5
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