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A model with cosmological Bell inequalities: A model with cosmological Bell inequalities

Journal Article · · Fortschritte der Physik
 [1]
  1. Institute for Advanced Study, Princeton, NJ (United States). School of Natural Sciences; Institute for Advanced Study
Here, we discuss the possibility of devising cosmological observables which violate Bell's inequalities. Such observables could be used to argue that cosmic scale features were produced by quantum mechanical effects in the very early universe. As evidence of principle, we propose a somewhat elaborate inflationary model where a Bell inequality violating observable can be constructed.
Research Organization:
Institute for Advanced Study, Princeton, NJ (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Grant/Contract Number:
SC0009988
OSTI ID:
1598856
Journal Information:
Fortschritte der Physik, Journal Name: Fortschritte der Physik Journal Issue: 1 Vol. 64; ISSN 0015-8208
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (25)

To B or not to B: primordial magnetic fields from Weyl anomaly journal November 2018
Non-Gaussianity as a particle detector journal December 2016
Constraints on primordial magnetic fields from inflation journal March 2016
Quantum decoherence during inflation from gravitational nonlinearities journal March 2016
Observational constraints on quantum decoherence during inflation journal May 2018
Spatially overlapped partners in quantum field theory journal February 2019
Early cosmological evolution of primordial electromagnetic fields journal July 2019
Single-field inflation and the local ansatz: Distinguishability and consistency journal March 2017
Obstructions to Bell CMB experiments journal September 2017
Infinite violation of Bell inequalities in inflation journal October 2017
Quantum entanglement in de Sitter space with a wall and the decoherence of bubble universes journal April 2018
Bell violation in the sky journal January 2017
Entangled de Sitter from stringy axionic Bell pair I: an analysis using Bunch–Davies vacuum journal January 2018
Quantum out-of-equilibrium cosmology journal April 2019
Emergent $$\alpha $$α-like fermionic vacuum structure and entanglement in the hyperbolic de Sitter spacetime journal September 2019
RETRACTED ARTICLE: Spectrum of cosmological correlation from vacuum fluctuation of stringy axion in entangled de Sitter space journal January 2020
Bell Violation in Primordial Cosmology journal February 2017
Quantum Decoherence During Inflation from Gravitational Nonlinearities text January 2016
Non-Gaussianity as a Particle Detector text January 2016
Single-Field Inflation and the Local Ansatz: Distinguishability and Consistency text January 2016
Bell violation in primordial cosmology text January 2016
Infinite violation of Bell inequalities in inflation text January 2017
Obstructions to Bell CMB Experiments text January 2017
Observational constraints on quantum decoherence during inflation text January 2018
To $B$ or not to $B$: Primordial magnetic fields from Weyl anomaly text January 2018

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