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Title: An étude on global vacuum energy sequester

Abstract

Recently two of the authors proposed a mechanism of vacuum energy sequester as a means of protecting the observable cosmological constant from quantum radiative corrections. The original proposal was based on using global Lagrange multipliers, but later a local formulation was provided. Subsequently other interesting claims of a different non-local approach to the cosmological constant problem were made, based again on global Lagrange multipliers. We examine some of these proposals and find their mutual relationship. We explain that the proposals which do not treat the cosmological constant counterterm as a dynamical variable require fine tunings to have acceptable solutions. Furthermore, the counterterm often needs to be retuned at every order in the loop expansion to cancel the radiative corrections to the cosmological constant, just like in standard GR. These observations are an important reminder of just how the proposal of vacuum energy sequester avoids such problems.

Authors:
ORCiD logo [1];  [2];  [3];  [4];  [5];  [6]
  1. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  2. Univ. of California, Davis, CA (United States)
  3. Univ. of Nottingham (United Kingdom)
  4. Univ. of Groningen (Netherlands)
  5. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  6. Arizona State Univ., Tempe, AZ (United States)
Publication Date:
Research Org.:
Univ. of California, Davis, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1424008
Grant/Contract Number:  
sc0009999
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2017; Journal Issue: 9; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

D’Amico, Guido, Kaloper, Nemanja, Padilla, Antonio, Stefanyszyn, David, Westphal, Alexander, and Zahariade, George. An étude on global vacuum energy sequester. United States: N. p., 2017. Web. doi:10.1007/JHEP09(2017)074.
D’Amico, Guido, Kaloper, Nemanja, Padilla, Antonio, Stefanyszyn, David, Westphal, Alexander, & Zahariade, George. An étude on global vacuum energy sequester. United States. doi:10.1007/JHEP09(2017)074.
D’Amico, Guido, Kaloper, Nemanja, Padilla, Antonio, Stefanyszyn, David, Westphal, Alexander, and Zahariade, George. Mon . "An étude on global vacuum energy sequester". United States. doi:10.1007/JHEP09(2017)074. https://www.osti.gov/servlets/purl/1424008.
@article{osti_1424008,
title = {An étude on global vacuum energy sequester},
author = {D’Amico, Guido and Kaloper, Nemanja and Padilla, Antonio and Stefanyszyn, David and Westphal, Alexander and Zahariade, George},
abstractNote = {Recently two of the authors proposed a mechanism of vacuum energy sequester as a means of protecting the observable cosmological constant from quantum radiative corrections. The original proposal was based on using global Lagrange multipliers, but later a local formulation was provided. Subsequently other interesting claims of a different non-local approach to the cosmological constant problem were made, based again on global Lagrange multipliers. We examine some of these proposals and find their mutual relationship. We explain that the proposals which do not treat the cosmological constant counterterm as a dynamical variable require fine tunings to have acceptable solutions. Furthermore, the counterterm often needs to be retuned at every order in the loop expansion to cancel the radiative corrections to the cosmological constant, just like in standard GR. These observations are an important reminder of just how the proposal of vacuum energy sequester avoids such problems.},
doi = {10.1007/JHEP09(2017)074},
journal = {Journal of High Energy Physics (Online)},
number = 9,
volume = 2017,
place = {United States},
year = {2017},
month = {9}
}

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Cited by: 5 works
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