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Title: A microscopic model for an emergent cosmological constant

Abstract

In this work, the value of the cosmological constant is explained in terms of a noisy diffusion of energy from the low energy particle physics degrees of freedom to the fundamental Planckian granularity which is expected from general arguments in quantum gravity. The quantitative success of our phenomenological model is encouraging and provides possibly useful insights about physics at the scale of quantum gravity.

Authors:
 [1];  [2];  [3]
  1. Aix Marseille Univ, Université de Toulon, CNRS, CPT, Marseille (France)
  2. Universidad Nacional Autónoma de México (Mexico)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1490465
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
International Journal of Modern Physics D
Additional Journal Information:
Journal Volume: 27; Journal Issue: 14; Journal ID: ISSN 0218-2718
Publisher:
World Scientific
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Quantum gravity; dark energy; cosmological constant problem

Citation Formats

Perez, Alejandro, Sudarsky, Daniel, and Bjorken, James D. A microscopic model for an emergent cosmological constant. United States: N. p., 2018. Web. doi:10.1142/s0218271818460021.
Perez, Alejandro, Sudarsky, Daniel, & Bjorken, James D. A microscopic model for an emergent cosmological constant. United States. doi:10.1142/s0218271818460021.
Perez, Alejandro, Sudarsky, Daniel, and Bjorken, James D. Tue . "A microscopic model for an emergent cosmological constant". United States. doi:10.1142/s0218271818460021. https://www.osti.gov/servlets/purl/1490465.
@article{osti_1490465,
title = {A microscopic model for an emergent cosmological constant},
author = {Perez, Alejandro and Sudarsky, Daniel and Bjorken, James D.},
abstractNote = {In this work, the value of the cosmological constant is explained in terms of a noisy diffusion of energy from the low energy particle physics degrees of freedom to the fundamental Planckian granularity which is expected from general arguments in quantum gravity. The quantitative success of our phenomenological model is encouraging and provides possibly useful insights about physics at the scale of quantum gravity.},
doi = {10.1142/s0218271818460021},
journal = {International Journal of Modern Physics D},
number = 14,
volume = 27,
place = {United States},
year = {2018},
month = {7}
}

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Free Publicly Available Full Text
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Cited by: 3 works
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    Works referencing / citing this record:

    Cosmic acceleration in unimodular gravity
    journal, June 2019

    • García-Aspeitia, Miguel A.; Martínez-Robles, C.; Hernández-Almada, A.
    • Physical Review D, Vol. 99, Issue 12
    • DOI: 10.1103/physrevd.99.123525